xl timing belt pulleys - 1/5 · pdf file2–26 2 – timing pulleys inch c d s e 7/16...

2–26

2 –

TIM

ING

PU

LLE

YS

INC

H

C

D

S

E7/16

SETSCREW

.31

O.D.F.D. B

XL Timing Belt Pulleys - 1/5 Pitch

For pulley stock and flanges, see Section 4.

FOR 1/4" BELTS

ALUMINUM DOUBLE FLANGE

A 6A 3-10DF02506A 6A 3-11DF02506A 6A 3-11DF02508A 6A 3-12DF02506A 6A 3-12DF02508A 6A 3-13DF02508A 6A 3-14DF02508A 6A 3-14DF02510A 6A 3-15DF02508A 6A 3-15DF02510A 6A 3-16DF02508A 6A 3-16DF02510A 6A 3-18DF02508A 6A 3-18DF02510A 6A 3-20DF02508A 6A 3-20DF02510A 6A 3-21DF02508A 6A 3-21DF02510A 6A 3-22DF02508A 6A 3-22DF02512A 6A 3-24DF02508A 6A 3-24DF02510A 6A 3-24DF02512A 6A 3-26DF02508A 6A 3-26DF02512A 6A 3-28DF02508A 6A 3-28DF02512A 6A 3-30DF02508A 6A 3-30DF02512

11

12

14

15

16

18

20

21

22

26

28

30

10

13

24

MATERIAL: Aluminum AlloyFINISH: Clear Anodized

Catalog Number

No

. of

Gro

ove

s

P.D. O.D.*F.D.± 1/64

.637

.828

1.528

.700

.764

.891

.955

1.019

1.146

1.273

1.337

1.401

1.655

1.783

1.910

.617

.808

1.508

.680

.744

.871

.935

.999

1.126

1.253

1.317

1.381

1.635

1.763

1.890

7/8

1-1/16

1-3/4

15/16

1

1-3/32

1-3/16

1-1/4

1-3/8

1-1/2

1-9/16

1-5/8

1-7/8

2

2-1/8

BBore+.001 -.000.1875.1875.250.1875.250.250.250.3125.250.3125.250.3125.250.3125.250.3125.250.3125.250.375.250.3125.375.250.375.250.375.250.375

CHubDia.

± 1/641/8

1/8

11/64

SD

HubProj.

#6-40#6-40#8-32#6-40#8-32

#8-32#10-32#8-32#8-32#10-32#8-32#10-32#8-32#10-32#8-32#10-32

#8-32

SetScrew

ELength± 1/64

NOTE: Pulleys with 10 & 11 grooves have 1 set screw; others have 2 at 90°.

*O.D. Tolerance: From 10 to 16 grooves is +.002, -.00018 to 30 grooves is +.003, -.000

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

1/8

1/8

1/8

1/8

1/8

1/8

5/32

5/32

5/32

11/64

11/64

11/64

1/4

1/4

11/32

1/4

1/4

1/4

1/4

1/4

1/4

5/16

5/16

5/16

11/32

11/32

11/32

7/16

1/2

9/16

5/8

11/16

13/16

15/16

1

1

1-3/16

1-3/16

1-5/16

3/8

9/16

1-1/16

11/16

11/16

11/16

11/16

11/16

11/16

3/4

3/4

3/4

25/32

25/32

25/32

11/16

11/16

25/32

A 6A 3-10DF03706A 6A 3-10DF03708A 6A 3-11DF03706A 6A 3-11DF03708A 6A 3-12DF03706A 6A 3-12DF03708A 6A 3-12DF03710A 6A 3-13DF03708A 6A 3-14DF03708A 6A 3-14DF03710A 6A 3-15DF03708A 6A 3-15DF03710A 6A 3-15DF03712A 6A 3-15DF03716A 6A 3-16DF03708A 6A 3-16DF03710A 6A 3-16DF03712A 6A 3-17DF03708A 6A 3-18DF03708A 6A 3-18DF03710A 6A 3-18DF03712A 6A 3-19DF03708A 6A 3-20DF03708A 6A 3-20DF03710A 6A 3-20DF03712A 6A 3-20DF03716

12

13

16

17

18

19

10

11

14

15

20

.744

.808

.999

1.062

1.126

1.190

.617

.680

.871

.935

1.253

7/8

15/16

1-3/32

1-3/16

1-1/2

1

1-1/16

1-1/4

1-5/16

1-3/8

1-7/16

.1875

.250

.1875

.250

.1875

.250

.3125

.250

.250

.3125

.250

.3125

.375

.500

.250

.3125

.375

.250

.250

.3125

.375

.250

.250

.3125

.375

.500

13/16

13/16

13/16

13/16

13/16

7/8

7/8

13/16

13/16

13/16

13/16

13/16

13/16

7/16

1/2

9/16

5/8

3/4

15/16

15/16

1/4

1/4

1/4

1/4

1/4

5/16

5/16

1/8

1/8

1/8

1/8

1/8

5/32

5/32

#6-40#8-32#6-40#8-32#6-40#8-32#8-32#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#10-32

.637

.700

.891

.955

1.273

.764

.828

1.019

1.082

1.146

1.210


No.

of

Gro

oves

NOTE: Pulleys with 10 & 11 grooves have 1 set screw; others have 2 at 90°.*O.D. Tolerance: 10 to 16 grooves is +.002, -.000 17 to 20 grooves is +.003, -.000

Catalog Number O.D.*P.D. F.D.± 1/64

BBore+.001 -.000

ELength± 1/64

CHubDia.

± 1/64

DHubProj.

S SetScrew

Continued on the next page


1/2

9/16

11/16

3/4

13/16

7/8

1/4

1/4

1/4

1/4

1/4

1/4

1/8

1/8

1/8

1/8

1/8

1/8

C

DS

E9/16

SETSCREW

.43

O.D.F.D. B

FOR 3/8" BELTS


2-27 Rev 1-18-06 JC

C

DS

E9/16

SETSCREW

.43

O.D.F.D. B

A 6A 3-21DF03708A 6A 3-21DF03710A 6A 3-21DF03712A 6A 3-22DF03708A 6A 3-22DF03710A 6A 3-22DF03712A 6A 3-23DF03708A 6A 3-24DF03708A 6A 3-24DF03710A 6A 3-24DF03712A 6A 3-24DF03716A 6A 3-25DF03708A 6A 3-25DF03712A 6A 3-26DF03708A 6A 3-26DF03712A 6A 3-28DF03708A 6A 3-28DF03710A 6A 3-28DF03712A 6A 3-30DF03708A 6A 3-30DF03710A 6A 3-30DF03712A 6A 3-30DF03716A 6A 3-32DF03712

.250

.3125

.375

.250

.3125

.375

.250

.250

.3125

.375

.500

.250

.375

.250

.375

.250

.3125

.375

.250

.3125

.375

.500

.375

#8-32#8-32

#10-32#8-32#8-32

#10-32#8-32#8-32#8-32

#10-32#10-32 #8-32

#10-32#8-32

#10-32#8-32#8-32

#10-32#8-32#8-32

#10-32#10-32#10-32

21

22

23

28

32

24

25

26

30

1.337

1.401

1.464

1.783

2.037

1.528

1.592

1.655

1.910

1.317

1.381

1.444

1.763

2.017

1.508

1.572

1.635

1.890

1-3/4

1-13/16

1-7/8

2-1/8

1-9/16

1-5/8

1-11/16

2

2-1/4

Catalog Number O.D.*P.D.

No.

of

Gro

oves F.D.

± 1/64

BBore+.001 -.000

ELength± 1/64

CHubDia.

± 1/64

DHubProj.

S SetScrew


NOTE: All pulleys have 2 set screws at 90°.*O.D. Tolerance: 21 to 30 grooves is +.003, -.000 32 grooves is +.004, -.000


29/32

29/32

29/32

29/32

11/32

11/32

11/32

11/32

11/64

11/64

11/64

11/64

1-1/16

1-3/32

1-3/16

1-5/16

7/8

7/8

7/8

29/32

29/32

5/16

5/16

5/16

11/32

11/32

5/32

5/32

5/32

11/64

11/64

1

1

1-1/16

1-3/16

1-7/16

FOR 3/8" BELTS


2-28 Rev 1-18-06 JC

A 6A 3-10H3706A 6A 3-10H3708A 6A 3-11H3706A 6A 3-11H3708A 6A 3-12H3706A 6A 3-12H3708A 6A 3-14H3708A 6A 3-14H3710A 6A 3-14H3712A 6A 3-15H3708A 6A 3-15H3710A 6A 3-16H3708A 6A 3-16H3710A 6A 3-18H3708A 6A 3-18H3710A 6A 3-20H3708A 6A 3-20H3710A 6A 3-20H3712A 6A 3-21H3708A 6A 3-21H3710A 6A 3-22H3708A 6A 3-22H3710A 6A 3-24H3708A 6A 3-24H3710A 6A 3-24H3712A 6A 3-28H3708A 6A 3-28H3712A 6A 3-30H3708A 6A 3-30H3712A 6A 3-32H3710A 6A 3-32H3712

10

11

12

14

15

16

18

20

21

22

24

28

30

32

.1875

.250

.1875

.250

.1875

.250

.250

.3125

.375

.250

.3125

.250

.3125

.250

.3125

.250

.3125

.375

.250

.3125

.250

.3125

.250

.3125

.375

.250

.375

.250

.375

.3125

.375

BBore+.001 -.000


F.D.O.D.*P.D.Catalog Number No. ofGrooves

SetScrew


NOTE: Pulleys with 10, 11 & 12 grooves have 1 set screw; others have 2 at approximately 90°.

SET SCREWSBETWEEN TEETH(see note)9/16

F.D. O.D. B

.43

.637

.701

.764

.891

.955

1.019

1.146

1.273

1.337

1.401

1.528

1.783

1.910

2.037

.617

.680

.744

.871

.935

.999

1.126

1.253

1.317

1.381

1.508

1.763

1.890

2.017

7/8

15/16

1

1-3/32

1-3/16

1-1/4

1-3/8

1-1/2

1-9/16

1-5/8

1-3/4

2

2-1/8

2-1/4

#6-32

#6-32

#6-32#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

FOR BELTS UP TO 3/8" WIDE

DOUBLE FLANGEHUBLESSALUMINUM

*O.D. Tolerance: 10 to 16 grooves is +.002, -.00018 to 30 grooves is +.003, -.000

32 grooves is +.004, -.0002-29 REV 3-17-06 SS

2–30

2 –

TIM

ING

PU

LLE

YS

INC

H


BO.D. C

S

9/16E

D

SET SCREW

FOR 3/8" BELTS


NO FLANGEALUMINUM

NOTE: Pulleys with 10 & 11 grooves have 1 set screw; others have 2 at 90°.

*O.D. Tolerance: From 10 to 16 grooves is +.002, -.000From 17 to 25 grooves is +.003, -.000

A 6A 3-10NF03706A 6A 3-10NF03708A 6A 3-11NF03706A 6A 3-11NF03708A 6A 3-12NF03706A 6A 3-12NF03708A 6A 3-14NF03708A 6A 3-14NF03710A 6A 3-15NF03708A 6A 3-15NF03710A 6A 3-15NF03712A 6A 3-16NF03708A 6A 3-16NF03710A 6A 3-17NF03708A 6A 3-18NF03708A 6A 3-18NF03710A 6A 3-18NF03712A 6A 3-19NF03708A 6A 3-20NF03708A 6A 3-20NF03710A 6A 3-20NF03712A 6A 3-21NF03708A 6A 3-21NF03710A 6A 3-22NF03708A 6A 3-22NF03710A 6A 3-22NF03712A 6A 3-23NF03708A 6A 3-24NF03708A 6A 3-24NF03710A 6A 3-24NF03712A 6A 3-25NF03708A 6A 3-25NF03712

.617

.680

.744

.871

.999

1.317

1.572

7/16

1/2

9/16

5/8

3/4

1

1-1/4

#6-40#8-32#6-40#8-32#6-40#8-32

#8-32

#8-32

#8-32

#8-32#8-32#8-32#10-32

#8-32#8-32#10-32#8-32#8-32#8-32#10-32#8-32#10-32

10

11

12

14

16

21

25

.637

.700

.764

.891

1.019

1.337

1.592

15

17

18

19

20

22

23

24

.955

1.082

1.146

1.210

1.273

1.401

1.464

1.528

7/8

1/4

1/4

1/4

1/4

5/16

3/8

3/8

11/16

13/16

7/8

15/16

1-1/16

1-1/8

1-3/16

.1875

.250

.1875

.250

.1875

.250

.250

.3125

.250

.3125

.375

.250

.3125

.250

.250

.3125

.375

.250

.250

.3125

.375

.250

.3125

.250

.3125

.375

.250

.250

.3125

.375

.250

.375


Catalog Number P.D. O.D.*

No

. of

Gro

ove

s BBore+.001 -.000

ELength± 1/64

S SetScrew

CHubDia.

± 1/64

DHubProj.

.935

1.062

1.126

1.190

1.253

1.381

1.444

1.508


13/16

13/16

13/16

13/16

7/8

15/16

15/16

7/8

7/8

7/8

7/8

15/16

15/16

15/16

15/16

5/16

5/16

5/16

5/16

3/8

3/8

3/8

3/8

1/8

1/8

1/8

1/8

5/32

3/16

3/16

5/32

5/32

5/32

5/32

3/16

3/16

3/16

3/16

#8-32

#8-32

#8-32

2–31

2 –

TIM

ING

PU

LLE

YS

INC

H

BO.D. C

S

9/16E

D

SET SCREW

BO.D. C

S

9/16E

D

SET SCREW

A 6A 3-27NF03710A 6A 3-28NF03708A 6A 3-28NF03710A 6A 3-28NF03712A 6A 3-29NF03710A 6A 3-30NF03708A 6A 3-30NF03710A 6A 3-30NF03712A 6A 3-32NF03710A 6A 3-32NF03712A 6A 3-32NF03716A 6A 3-36NF03710A 6A 3-36NF03712A 6A 3-36NF03716A 6A 3-40NF03710A 6A 3-40NF03712A 6A 3-40NF03716A 6A 3-42NF03710A 6A 3-42NF03712A 6A 3-42NF03716A 6A 3-44NF03710A 6A 3-44NF03712A 6A 3-44NF03716A 6A 3-45NF03710A 6A 3-45NF03712A 6A 3-45NF03716A 6A 3-48NF03710A 6A 3-48NF03712A 6A 3-48NF03716A 6A 3-50NF03710A 6A 3-50NF03712A 6A 3-50NF03716A 6A 3-60NF03712A 6A 3-60NF03716A 6A 3-72NF03712A 6A 3-72NF03716

NOTE: All pulleys have 2 set screws at 90°.

1-1/4

1-1/4

1-5/16

1-3/8

1-1/2

1-1/2

1-1/2

1-1/2

1-1/2

1-1/2

1-1/2

1-1/2

#8-32#8-32#8-32

#10-32#8-32#8-32#8-32

#10-32#8-32

#10-321/4-20#8-32

#10-321/4-20#8-32

#10-321/4-20#8-32

#10-321/4-20#8-32

#10-321/4-20#8-32

#10-321/4-20#8-32

#10-321/4-20#8-32

#10-321/4-20#10-321/4-20#10-321/4-20

15/16

15/16

15/16

15/16

1

1

1

1

1

1

1

1

3/8

3/8

3/8

3/8

7/16

7/16

7/16

7/16

7/16

7/16

7/16

7/16

3/16

3/16

3/16

3/16

7/32

7/32

7/32

7/32

7/32

7/32

7/32

7/32

27

28

29

30

32

36

40

42

44

45

48

50

60

72

1.719

1.783

1.846

1.910

2.037

2.292

2.546

2.674

2.801

2.865

3.056

3.183

1.699

1.763

1.826

1.890

2.017

2.272

2.526

2.654

2.781

2.845

3.036

3.163

3.820

4.584

3.800

4.564

.3125

.250

.3125

.375

.3125

.250

.3125

.375

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.375

.500

.375

.500

No

. of

Gro

ove

s BBore+.001 -.000

O.D.*P.D.E

Length± 1/64

DHubProj.

S SetScrew


Catalog Number Fig.No.

CHubDia.

± 1/64

*O.D. Tolerance: From 27 to 30 grooves is +.003, -.000From 32 to 60 grooves is +.004, -.000

72 grooves is +.005, -.000

1

2


Fig. 1 Fig. 2

7/32

7/32

7/16

7/16

1-1/2

1-1/2

1

1

FOR 3/8" BELTS


NO FLANGEALUMINUM

2–32

2 –

TIM

ING

PU

LLE

YS

INC

H

C

DE

D/29/16

O.D.

SETSCREW

BC

D

D/2

E9/16

SETSCREW

O.D.F.D. B

10111214151618202122242830

.637 .700 .764 .891 .9551.0191.1461.2731.3371.4011.5281.7831.910

.617 .680 .744 .871 .935 .9991.1261.2531.3171.3811.5081.7631.890

13/16

29/32

29/32

13/16

13/16

29/32

A 6A 3-10DFB37A 6A 3-11DFB37A 6A 3-12DFB37A 6A 3-14DFB37A 6A 3-15DFB37A 6A 3-16DFB37A 6A 3-18DFB37A 6A 3-20DFB37A 6A 3-21DFB37A 6A 3-22DFB37A 6A 3-24DFB37A 6A 3-28DFB37A 6A 3-30DFB37

1/4

11/32

11/32

1/4

1/4

11/32

#6-40

#10-32

#10-32

15/1615/16

11-1/81-3/161-1/41-3/81-1/21-9/161-5/81-3/4

22-1/8

Fig.No O.D.P.D. F.D.

ELength

BBore

1

Catalog NumberSet*

Screw

CHubDia.

DHubProj.

MATERIAL: Aluminum Alloy

3/16

1/4

5/16

#6-40

#8-32

#8-3215/16

7/167/161/29/165/8

11/1613/16

11-1/161-3/161-5/16

No

. of

Gro

ove

s

—

—

3236404244486072

2.0372.2922.5462.6742.8013.0563.8204.584

2.0172.2722.5262.6542.7813.0363.8004.564

1

1

A 6A 3-32NFB37A 6A 3-36NFB37A 6A 3-40NFB37A 6A 3-42NFB37A 6A 3-44NFB37A 6A 3-48NFB37A 6A 3-60NFB37A 6A 3-72NFB37 7/16

25/16

3/8 #10-321-1/2

NOTE: Pulleys with 60 and 72 grooves are machined from castings and have webs.

*All pulleys have 2 set screws at 90°.


— 1

7/16

7/16

#10-32

#10-32

1-1/2

1-1/2

Fig. 1 Fig. 2(See Note)

FOR 3/8" BELTS


MINIMUM BORE DOUBLE FLANGE OR NO FLANGEALUMINUM

2–33

2 –

TIM

ING

PU

LLE

YS

INC

H

No

. of

Gro

ove

s

A 6C 3-10DF03706A 6C 3-10DF03708A 6C 3-11DF03706A 6C 3-11DF03708A 6C 3-12DF03706A 6C 3-12DF03708A 6C 3-14DF03708A 6C 3-14DF03710A 6C 3-15DF03708A 6C 3-15DF03710A 6C 3-15DF03712A 6C 3-15DF03716A 6C 3-16DF03708A 6C 3-16DF03710A 6C 3-18DF03708A 6C 3-18DF03710A 6C 3-18DF03712A 6C 3-20DF03708A 6C 3-20DF03710A 6C 3-20DF03712A 6C 3-20DF03716

.1875

.250

.1875

.250

.1875

.250

.250

.3125

.250

.3125

.375

.500

.250

.3125

.250

.3125

.375

.250

.3125

.375

.500

7/16

1/2

1/2

9/16

5/85/83/43/4

11/16

13/16

15/16

ELength± 1/64

13/16

13/16

13/16

13/16

13/16

13/16

13/16

7/8

17/64

17/64

17/64

17/64

17/64

17/64

17/64

21/64

7/8

15/16

1

1-3/32

1-3/16

1-1/4

1-3/8

1-1/2

.637

.700

.764

.891

.955

1.019

1.146

1.273

.617

.680

.744

.871

.935

.999

1.126

1.253

10

11

12

14

15

16

18

20

NOTE: Pulleys with 10 & 11 grooves have 1 set screw; others have 2 at 90°.*O.D. Tolerance: From 10 to 16 grooves is +.002, -.000.

From 18 to 20 grooves is +.003, -.000.

Catalog Number F.D.P.D. O.D.*B

Bore+.001 -.000

CHubDia.

± 1/64

DHubProj.

SetScrew

#6-40 #8-32 #6-40 #8-32 #6-40 #8-32

#8-32

#8-32

#8-32

#8-32

#8-32 #8-32#10-32#10-32

MATERIAL: SteelFINISH: Black Oxide



35/64

D/2

.43

SET SCREW

B C

E

F.D.O.D.

FOR 3/8" BELTS

DOUBLE FLANGESTEEL


2–34

2 –

TIM

ING

PU

LLE

YS

INC

H

A 6C 3-21DF03708A 6C 3-21DF03710A 6C 3-22DF03708A 6C 3-22DF03710A 6C 3-22DF03712A 6C 3-24DF03708A 6C 3-24DF03710A 6C 3-24DF03712A 6C 3-24DF03716A 6C 3-25DF03708A 6C 3-25DF03712A 6C 3-28DF03708A 6C 3-28DF03710A 6C 3-28DF03712A 6C 3-30DF03708A 6C 3-30DF03710A 6C 3-30DF03712A 6C 3-30DF03716A 6C 3-32DF03712

1.337

1.401

1.528

1.592

1.783

1.910

2.037

1.317

1.381

1.508

1.572

1.763

1.890

2.017

1-9/16

1-5/8

1-3/4

1-13/16

2

2-1/8

2-1/4

NOTE: All pulleys have 2 set screws at 90°.*O.D. Tolerance: From 21 to 30 grooves is +.003, -.000

32 grooves is +.004, -.000

7/8

7/8

29/32

29/32

29/32

29/32

29/32

21/64

21/64

23/64

23/64

23/64

23/64

23/64

21

22

24

25

28

30

32

No

. of

Gro

ove

s

F.D.P.D. O.D.*


1

1

1-1/16

1-3/32

1-3/16

1-5/16

1-7/16

ELength± 1/64

.250

.3125

.250

.3125

.375

.250

.3125

.375

.500

.250

.375

.250

.3125

.375

.250

.3125

.375

.500

.375

#8-32 #8-32 #8-32 #8-32#10-32 #8-32 #8-32#10-32#10-32 #8-32#10-32 #8-32 #8-32#10-32 #8-32 #8-32#10-32#10-32#10-32

SetScrewCatalog Number

BBore+.001 -.000

CHubDia.

± 1/64

DHubProj.


35/64

D/2

.43

SET SCREW

B C

E

F.D.O.D.

FOR 3/8" BELTS


DOUBLE FLANGESTEEL

2–35

2 –

TIM

ING

PU

LLE

YS

INC

H

B

.43

O.D.F.D.

35/64


A 6C 3-10H3706A 6C 3-10H3708A 6C 3-11H3706A 6C 3-11H3708A 6C 3-12H3706A 6C 3-12H3708A 6C 3-14H3708A 6C 3-15H3708A 6C 3-15H3710A 6C 3-16H3708A 6C 3-16H3710A 6C 3-18H3708A 6C 3-18H3710A 6C 3-20H3708A 6C 3-20H3710A 6C 3-20H3712A 6C 3-21H3708A 6C 3-21H3710A 6C 3-22H3708A 6C 3-22H3710A 6C 3-24H3708A 6C 3-24H3710A 6C 3-24H3712A 6C 3-28H3708A 6C 3-28H3712A 6C 3-30H3708A 6C 3-30H3712A 6C 3-32H3710A 6C 3-32H3712

.637

.700

.764

.955

1.019

1.146

1.337

1.401

1.783

1.910

2.037

.617

.680

.744

.935

.999

1.126

1.317

1.381

1.763

1.890

2.017

7/8

15/16

1

1-3/16

1-1/4

1-3/8

1-9/16

1-5/8

2

2-1/8

2-1/4

#6-32

#8-32

SetScrewF.D.P.D.

No. ofGrooves

Catalog Number


1-3/32

1-1/2

1-3/4

.871

1.253

1.508

.891

1.273

1.528

14

20

24

10

11

12

15

16

18

21

22

28

30

32

O.D.*B

Bore+.001 -.000.1875.250.1875.250.1875.250.250.250.3125.250.3125.250.3125.250.3125.375.250.3125.250.3125.250.3125.375.250.375.250.375.3125.375

NOTE: Pulleys with 10 to 12 grooves have 1 set screw; others have 2 at approximately 90°.*O.D. Tolerance: From 10 to 16 grooves is +.002, -.000

From 17 to 30 grooves is +.003, -.00032 grooves is +.004, -.000

SET SCREWSBETWEEN TEETH

#6-32#8-32


DOUBLE FLANGEHUBLESSSTEEL

FOR BELTS UP TO 3/8" WIDE

2–36

2 –

TIM

ING

PU

LLE

YS

INC

H

O.D.P.D.

BBore+.001 -.000

Catalog NumberCap

Screw

MATERIAL: Pulley - Polycarbonate – Black; Fiberglass ReinforcedHub - Aluminum Alloy, Overmolded

No

. of

Gro

ove

s

F.D.A

Dia.

CHubDia.

A 6H 3-10DF03706A 6H 3-11DF03706A 6H 3-12DF03706A 6H 3-13DF03706A 6H 3-14DF03708A 6H 3-15DF03708A 6H 3-16DF03708A 6H 3-17DF03708A 6H 3-18DF03708A 6H 3-19DF03708A 6H 3-20DF03708A 6H 3-21DF03708A 6H 3-22DF03708A 6H 3-23DF03708A 6H 3-24DF03708A 6H 3-25DF03708A 6H 3-26DF03708A 6H 3-27DF03708A 6H 3-28DF03708A 6H 3-29DF03708A 6H 3-30DF03710A 6H 3-31DF03710A 6H 3-32DF03710A 6H 3-34DF03710A 6H 3-35DF03710A 6H 3-36DF03710A 6H 3-37DF03710A 6H 3-39DF03710A 6H 3-40DF03710A 6H 3-42DF03710A 6H 3-44DF03710A 6H 3-48DF03710

1011121314151617181920212223242526272829303132343536373940424448

.637 .700 .764 .828 .891 .9551.0191.0821.1461.2101.2731.3371.4011.4641.5281.5921.6551.7191.7831.8461.9101.9742.0372.1652.2282.2922.3552.4832.5462.6742.8013.056

.617 .680 .744 .808 .871 .935 .9991.0621.1261.1901.2531.3171.3811.4441.5081.5721.6351.6991.7631.8261.8901.9542.0172.1452.2082.2722.3352.4632.5262.6542.7813.036

.87 .93 .991.061.121.191.241.311.381.441.511.571.631.691.761.821.891.952.022.082.142.202.272.402.462.532.592.712.782.923.043.29

.3125

5/8

3/4

3/4

7/8

7/8

7/8

7/8

.250

.1875 #2-563/8 1/2

NOTE: Pulleys with 10 to 21 grooves do not have webs.

#4-40

#4-40

#4-40

#4-40

#4-40

#4-40

1/2

1/2

1/2

1/2

5/8

5/8

7/8 #4-40

FOR 3/8" BELTS

MOLDED WITH FAIRLOC® HUB DOUBLE FLANGEBLACK SERIES

1/16

O.D. C F.D.B

13/161/4

CAP SCREW3/16

7/16

A

XL Timing Belt Pulleys - 1/5" Pitch

2–37

2 –

TIM

ING

PU

LLE

YS

INC

H

SINGLE FLANGE

6072

101112131415161718192021222324252627282930313234353637394042444858

P.D.

.637 .700 .764 .828 .891 .9551.0191.0821.1461.2101.2731.3371.4011.4641.5281.5921.6551.7191.7831.8461.9101.9742.0372.1652.2282.2922.3552.4832.5462.6742.8013.0563.692

3.8204.584

O.D.

.617 .680 .744 .808 .871 .935 .9991.0621.1261.1901.2531.3171.3811.4441.5081.5721.6351.6991.7631.8261.8901.9542.0172.1452.2082.2722.3352.4632.5262.6542.7813.0363.672

3.8004.564

F.D.

.87 .93 .991.061.121.191.241.311.381.441.511.571.631.691.761.821.891.952.022.082.142.202.272.402.462.532.592.712.782.923.043.293.92

BBore+.001 -.000

.1875

.375

.375

No

. of

Gro

ove

s

A 6H 3-10SF03706A 6H 3-11SF03706A 6H 3-12SF03706A 6H 3-13SF03706A 6H 3-14SF03708A 6H 3-15SF03708A 6H 3-16SF03708A 6H 3-17SF03708A 6H 3-18SF03708A 6H 3-19SF03708A 6H 3-20SF03708A 6H 3-21SF03708A 6H 3-22SF03708A 6H 3-23SF03708A 6H 3-24SF03708A 6H 3-25SF03708A 6H 3-26SF03708A 6H 3-27SF03708A 6H 3-28SF03708A 6H 3-29SF03708A 6H 3-30SF03710A 6H 3-31SF03710A 6H 3-32SF03710A 6H 3-34SF03710A 6H 3-35SF03710A 6H 3-36SF03710A 6H 3-37SF03710A 6H 3-39SF03710A 6H 3-40SF03710A 6H 3-42SF03710A 6H 3-44SF03710A 6H 3-48SF03710A 6H 3-58SF03712

Catalog Number

NO FLANGEFig. 2


—A 6H 3-60NF03712A 6H 3-72NF03712

MATERIAL: Pulley - Polycarbonate – Black, Fiberglass ReinforcedHub - Aluminum Alloy, Overmolded

Fig. 1

•

•

ADia.

5/8

CHubDia.

1-1/32

DHubProj.

5/16

1-1/32 3/8 #8-32

#6-32

CapScrew

7/8

ELength

13/16

.3125

3/8

1/2

1/2

1/2

1/2

5/8

1/25/85/85/8

5/8

1/2

3/4

7/8

7/8

7/8

7/8

7/8

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

#2-56

#4-40

#4-40

#4-40

#4-40

#4-40

#4-40

#4-40

13/16

13/16

13/16

13/16

13/16

13/16

13/16

13/16

3/43/47/87/8

5/8

.250

FOR 3/8" BELTS

MOLDED WITH FAIRLOC® HUB SINGLE FLANGE OR NO FLANGEBLACK SERIES

E

3/16 1/16

O.D. BA C

7/16

CAPSCREW

INSERT IS FLUSH ONPULLEY WITH 58 GROOVES

3/16 D

1/2

E

O.D. BA C

CAPSCREW

Fig. 1 Fig. 2

D

F.D.

XL Timing Belt Pulleys - 1/5" Pitch

2–38

2 –

TIM

ING

PU

LLE

YS

INC

H


O.D.P.D.

BBore+.001 -.000

Catalog NumberSet

Screw

MATERIAL: Pulley - Polycarbonate – Black; Fiberglass ReinforcedHub - Aluminum Alloy, Overmolded

No

. of

Gro

ove

s

F.D.

.637 .700 .764 .828 .891 .9551.0191.0821.1461.2101.2731.3371.4011.4641.5281.5921.6551.7191.7831.8461.9101.9742.0372.1652.2282.2922.3552.4832.5462.6742.8013.056

A 6J 3-10DF03706A 6J 3-11DF03706A 6J 3-12DF03706A 6J 3-13DF03706A 6J 3-14DF03708A 6J 3-15DF03708A 6J 3-16DF03708A 6J 3-17DF03708A 6J 3-18DF03708A 6J 3-19DF03708A 6J 3-20DF03708A 6J 3-21DF03708A 6J 3-22DF03708A 6J 3-23DF03708A 6J 3-24DF03708A 6J 3-25DF03708A 6J 3-26DF03708A 6J 3-27DF03708A 6J 3-28DF03708A 6J 3-29DF03708A 6J 3-30DF03710A 6J 3-31DF03710A 6J 3-32DF03710A 6J 3-34DF03710A 6J 3-35DF03710A 6J 3-36DF03710A 6J 3-37DF03710A 6J 3-39DF03710A 6J 3-40DF03710A 6J 3-42DF03710A 6J 3-44DF03710A 6J 3-48DF03710

1011121314151617181920212223242526272829303132343536373940424448

.617 .680 .744 .808 .871 .935 .9991.0621.1261.1901.2531.3171.3811.4441.5081.5721.6351.6991.7631.8261.8901.9542.0172.1452.2082.2722.3352.4632.5262.6542.7813.036

.87 .93 .991.061.121.191.241.311.381.441.511.571.631.691.761.821.891.952.022.082.142.202.272.402.462.532.592.712.782.923.043.29

.1875 #6-32

.250

.3125


ADia.

3/8

CHubDia.

3/4

3/4

7/8

7/8

7/8

7/8

7/8

7/8

7/8

1/2

1/2

1/2

1/2

1/2

1/25/85/8

5/8

5/8

5/8

#8-32

#8-32

#8-32

#8-32

#10-32

#10-32

#10-32

#10-32

#8-321/2

13/161/4

1/8

SETSCREW

3/16 7/16

O.D. A C F.D.B

1/16

FOR 3/8" BELTS

MOLDED WITH METAL HUB DOUBLE FLANGE

2–39

2 –

TIM

ING

PU

LLE

YS

INC

H

13/16D

O.D. A C F.D.B

3/16

D/2

SETSCREW

7/16

7/81/2

O.D.

A

CB

SETSCREW

Fig. 1 Fig. 2

3/16

1/16


MOLDED WITH METAL HUB SINGLE OR NO FLANGE

DD/2

INSERT IS FLUSHON PULLEY WITH 58

TEETH

FOR 3/8" BELTS

.1875

.250

F.D.O.D.P.D.

SINGLE FLANGE

No

. of

Gro

ove

s

.3125

.375

NO FLANGE3.8204.584

3.8004.564

6072

1/2

7/8

CHubDia.

3/8

1/2

ADia.Catalog Number

Fig. 1

A 6J 3-60NF03712A 6J 3-72NF03712

Fig. 2


MATERIAL: Pulley - Polycarbonate – Black, Fiberglass ReinforcedHub - Aluminum Alloy, Overmolded

•

•#6-32

#8-32

SetScrew

DHubProj.

BBore+.001-.000

1/4

1/4

3/4

3/4

7/8

7/8

7/8

7/8

7/8

7/8

1-1/32

1/2

1/2

1/2

1/2

1/25/85/8

5/8

5/8

5/8

5/8

#8-32

#8-32

#8-32

#8-32

#10-32

#10-32

#10-32

#10-32

#10-32

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

5/16

.375 1-1/325/8 #10-323/8—

A 6J 3-10SF03706A 6J 3-11SF03706A 6J 3-12SF03706A 6J 3-13SF03706A 6J 3-14SF03708A 6J 3-15SF03708A 6J 3-16SF03708A 6J 3-17SF03708A 6J 3-18SF03708A 6J 3-19SF03708A 6J 3-20SF03708A 6J 3-21SF03708A 6J 3-22SF03708A 6J 3-23SF03708A 6J 3-24SF03708A 6J 3-25SF03708A 6J 3-26SF03708A 6J 3-27SF03708A 6J 3-28SF03708A 6J 3-29SF03708A 6J 3-30SF03710A 6J 3-31SF03710A 6J 3-32SF03710A 6J 3-34SF03710A 6J 3-35SF03710A 6J 3-36SF03710A 6J 3-37SF03710A 6J 3-39SF03710A 6J 3-40SF03710A 6J 3-42SF03710A 6J 3-44SF03710A 6J 3-48SF03710A 6J 3-58SF03712

.617 .680 .744 .808 .871 .935 .9991.0621.1261.1901.2531.3171.3811.4441.5081.5721.6351.6991.7631.8261.8901.9542.0172.1452.2082.2722.3352.4632.5262.6542.7813.0363.672

101112131415161718192021222324252627282930313234353637394042444858

.87 .93 .991.061.121.191.241.311.381.441.511.571.631.691.761.821.891.952.022.082.142.202.272.402.462.532.592.712.782.923.043.293.92

.637 .700 .764 .828 .891 .9551.0191.0821.1461.2101.2731.3371.4011.4641.5281.5921.6551.7191.7831.8461.9101.9742.0372.1652.2282.2922.3552.4832.5462.6742.8013.0563.692

2–40

2 –

TIM

ING

PU

LLE

YS

INC

H

10

11

12

13

A 6Z 3-10DF03706A 6Z 3-10DF03708A 6Z 3-11DF03706A 6Z 3-11DF03708A 6Z 3-12DF03706A 6Z 3-12DF03708A 6Z 3-13DF03706A 6Z 3-13DF03708A 6Z 3-14DF03708A 6Z 3-14DF03710A 6Z 3-14DF03712A 6Z 3-15DF03708A 6Z 3-15DF03710A 6Z 3-15DF03712A 6Z 3-16DF03708A 6Z 3-16DF03710A 6Z 3-16DF03712A 6Z 3-17DF03708A 6Z 3-17DF03710A 6Z 3-17DF03712A 6Z 3-18DF03708A 6Z 3-18DF03710A 6Z 3-18DF03712A 6Z 3-19DF03708A 6Z 3-19DF03710A 6Z 3-19DF03712A 6Z 3-20DF03708A 6Z 3-20DF03710A 6Z 3-20DF03712

.891

.955

1.019

1.082

1.146

1.210

1.273

11/16

11/16

11/16

11/16

1.12

1.19

1.24

1.31

1.38

1.44

1.51

.87

.93

.99

1.06

.871

.935

.999

1.063

1.126

1.190

1.253

.617

.680

.744

.808

3/8

3/8

3/8

3/8

#6-32

#6-32

#6-32

#6-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

#8-32

3/4

3/4

3/4

3/4

3/4

3/4

7/8

14

15

16

17

18

19

20

.637

.700

.764

.828

.1875

.250

.1875

.250

.1875

.250

.1875

.250

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

1

2

Catalog NumberFig.No.

No. ofGrooves P.D. F.D.O.D.

BBore+.001 -.000

ADia.

CHubDia.

SetScrew

MATERIAL: Pulley - Polycarbonate, Fiberglass ReinforcedInsert - Aluminum, Knurled


1/2

1/2

1/2

1/2

1/2

1/2

1/2

SET SCREW

SPOT DRILL

9/641/4

13/16

B CAO.D. F.D.

7/16

9/641/4

13/16

B CAO.D. F.D.

7/16 SPOT DRILL

SET SCREW

Fig. 1 Fig. 23/16

FOR 3/8" BELTS

MOLDED WITH INSERT DOUBLE FLANGE


2–41

2 –

TIM

ING

PU

LLE

YS

INC

H

A 6Z 3-21DF03708A 6Z 3-21DF03710A 6Z 3-21DF03712A 6Z 3-22DF03708A 6Z 3-22DF03710A 6Z 3-22DF03712A 6Z 3-23DF03708A 6Z 3-23DF03710A 6Z 3-23DF03712A 6Z 3-24DF03708A 6Z 3-24DF03710A 6Z 3-24DF03712A 6Z 3-25DF03708A 6Z 3-25DF03710A 6Z 3-25DF03712A 6Z 3-26DF03708A 6Z 3-26DF03710A 6Z 3-26DF03712A 6Z 3-27DF03708A 6Z 3-27DF03710A 6Z 3-27DF03712A 6Z 3-28DF03708A 6Z 3-28DF03710A 6Z 3-28DF03712A 6Z 3-29DF03708A 6Z 3-29DF03710A 6Z 3-29DF03712A 6Z 3-30DF03708A 6Z 3-30DF03710A 6Z 3-30DF03712

21

22

23

24

25

26

27

28

29

30

1.57

1.63

1.69

1.76

1.82

1.89

1.95

2.02

2.08

2.14

No. ofGrooves

P.D. O.D. F.D.

1.337

1.401

1.464

1.528

1.592

1.655

1.719

1.783

1.846

1.910

1.317

1.381

1.445

1.508

1.572

1.636

1.700

1.763

1.827

1.890

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

Catalog Number

BBore+.001 -.000



MOLDED WITH INSERT DOUBLE FLANGE

13/161/4

9/64

F.D.O.D.1/2

3/167/16

SET SCREW#8-32

B 7/8

SPOT DRILL

FOR 3/8" BELTS


2–42

2 –

TIM

ING

PU

LLE

YS

INC

H

31

32

34

35

36

37

39

40

42

44

48

2.20

2.27

2.40

2.46

2.53

2.59

2.71

2.78

2.92

3.04

3.29

1.973

2.037

2.165

2.228

2.292

2.355

2.482

2.546

2.674

2.801

3.056

1.954

2.017

2.145

2.209

2.272

2.336

2.462

2.526

2.654

2.781

3.036

P.D. O.D. F.D.No. of

Grooves

A 6Z 3-31DF03710A 6Z 3-31DF03712A 6Z 3-31DF03716A 6Z 3-32DF03710A 6Z 3-32DF03712A 6Z 3-32DF03716A 6Z 3-34DF03710A 6Z 3-34DF03712A 6Z 3-34DF03716A 6Z 3-35DF03710A 6Z 3-35DF03712A 6Z 3-35DF03716A 6Z 3-36DF03710A 6Z 3-36DF03712A 6Z 3-36DF03716A 6Z 3-37DF03710A 6Z 3-37DF03712A 6Z 3-37DF03716A 6Z 3-39DF03710A 6Z 3-39DF03712A 6Z 3-39DF03716A 6Z 3-40DF03710A 6Z 3-40DF03712A 6Z 3-40DF03716A 6Z 3-42DF03710A 6Z 3-42DF03712A 6Z 3-42DF03716A 6Z 3-44DF03710A 6Z 3-44DF03712A 6Z 3-44DF03716A 6Z 3-48DF03710A 6Z 3-48DF03712A 6Z 3-48DF03716


.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

Catalog Number

BBore+.001 -.000

7/85/16

5/32

F.D.O.D. 5/8

3/16 7/16

SET SCREW#10-32

B 7/8

SPOT DRILL

FOR 3/8" BELTS

DOUBLE FLANGEMOLDED WITH INSERT


2–43

2 –

TIM

ING

PU

LLE

YS

INC

H

.891

.955

1.019

1.082

1.146

1.210

1.273

.637

.700

.764

.828

11/16

1.12

1.19

1.24

1.31

1.38

1.44

1.51

1/2

1/2

1/2

.87

.93

.99

1.06

.871

.935

.999

1.063

1.126

1.190

1.253

.617

.680

.744

.808

3/8 #6-32

#8-32

#8-32

#8-32

3/4

3/4

7/8

.1875

.250

.1875

.250

.1875

.250

.1875

.250

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

10

11

12

13

14

15

16

17

18

19

20

1

2

A 6Z 3-10SF03706A 6Z 3-10SF03708A 6Z 3-11SF03706A 6Z 3-11SF03708A 6Z 3-12SF03706A 6Z 3-12SF03708A 6Z 3-13SF03706A 6Z 3-13SF03708A 6Z 3-14SF03708A 6Z 3-14SF03710A 6Z 3-14SF03712A 6Z 3-15SF03708A 6Z 3-15SF03710A 6Z 3-15SF03712A 6Z 3-16SF03708A 6Z 3-16SF03710A 6Z 3-16SF03712A 6Z 3-17SF03708A 6Z 3-17SF03710A 6Z 3-17SF03712A 6Z 3-18SF03708A 6Z 3-18SF03710A 6Z 3-18SF03712A 6Z 3-19SF03708A 6Z 3-19SF03710A 6Z 3-19SF03712A 6Z 3-20SF03708A 6Z 3-20SF03710A 6Z 3-20SF03712

BBore+.001 -.000

P.D. O.D. F.D.Catalog Number SetScrew

CHubDia.

ADia.

No. ofGrooves

Fig.No.



SPOTDRILL

9/641/4

13/16

1/2

B CAO.D.

F.D.

7/16 SPOT DRILL

SET SCREW

9/641/4

13/16

1/2

B CAO.D.

3/16

F.D.

7/16

SET SCREW

Fig. 1 Fig. 2 FOR 3/8" BELTS

MOLDED WITH INSERT SINGLE FLANGE


2–44

2 –

TIM

ING

PU

LLE

YS

INC

H

21

22

23

24

25

26

27

28

29

30

1.57

1.63

1.69

1.76

1.82

1.89

1.95

2.02

2.08

2.14

1.337

1.401

1.464

1.528

1.592

1.655

1.719

1.783

1.846

1.910

1.317

1.381

1.445

1.508

1.572

1.636

1.700

1.763

1.827

1.890

A 6Z 3-21SF03708A 6Z 3-21SF03710A 6Z 3-21SF03712A 6Z 3-22SF03708A 6Z 3-22SF03710A 6Z 3-22SF03712A 6Z 3-23SF03708A 6Z 3-23SF03710A 6Z 3-23SF03712A 6Z 3-24SF03708A 6Z 3-24SF03710A 6Z 3-24SF03712A 6Z 3-25SF03708A 6Z 3-25SF03710A 6Z 3-25SF03712A 6Z 3-26SF03708A 6Z 3-26SF03710A 6Z 3-26SF03712A 6Z 3-27SF03708A 6Z 3-27SF03710A 6Z 3-27SF03712A 6Z 3-28SF03708A 6Z 3-28SF03710A 6Z 3-28SF03712A 6Z 3-29SF03708A 6Z 3-29SF03710A 6Z 3-29SF03712A 6Z 3-30SF03708A 6Z 3-30SF03710A 6Z 3-30SF03712

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

.250

.3125

.375

BBore+.001 -.000

Catalog NumberNo. of

Grooves P.D. O.D. F.D.



13/161/49/641/2

O.D. 1/2

3/167/16

F.D.7/8B

SPOT DRILL

SET SCREW#8-32

FOR 3/8" BELTS

SINGLE FLANGEMOLDED WITH INSERT


2–45

2 –

TIM

ING

PU

LLE

YS

INC

H

A 6Z 3-31SF03710A 6Z 3-31SF03712A 6Z 3-31SF03716A 6Z 3-32SF03710A 6Z 3-32SF03712A 6Z 3-32SF03716A 6Z 3-34SF03710A 6Z 3-34SF03712A 6Z 3-34SF03716A 6Z 3-35SF03710A 6Z 3-35SF03712A 6Z 3-35SF03716A 6Z 3-36SF03710A 6Z 3-36SF03712A 6Z 3-36SF03716A 6Z 3-37SF03710A 6Z 3-37SF03712A 6Z 3-37SF03716A 6Z 3-39SF03710A 6Z 3-39SF03712A 6Z 3-39SF03716A 6Z 3-40SF03710A 6Z 3-40SF03712A 6Z 3-40SF03716

31

32

34

35

36

37

39

40

1.973

2.037

2.165

2.228

2.292

2.355

2.482

2.546

1.954

2.017

2.145

2.209

2.272

2.336

2.462

2.526

2.20

2.27

2.40

2.46

2.53

2.59

2.71

2.78

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500


BBore+.001 -.000

O.D. F.D.P.D.No. ofGrooves

Catalog Number


13/165/165/32

O.D. F.D.7/8B

5/8

3/167/16

SET SCREW#10-32

SPOT DRILL

FOR 3/8" BELTS

SINGLE FLANGEMOLDED WITH INSERT


2–46

2 –

TIM

ING

PU

LLE

YS

INC

H

E

W

DD/2

O.D.

3/16

5/8

B C F.D.

SETSCREW#10-32

SPOTDRILL

EW D

D/2

O.D.

3/165/8

B C

SETSCREW#10-32

SPOTDRILL

NO FLANGE

SINGLE FLANGEA 6Z 3-42SF03710A 6Z 3-42SF03712A 6Z 3-42SF03716A 6Z 3-44SF03710A 6Z 3-44SF03712A 6Z 3-44SF03716A 6Z 3-48SF03710A 6Z 3-48SF03712A 6Z 3-48SF03716A 6Z 3-58SF03710A 6Z 3-58SF03712A 6Z 3-58SF03716A 6Z 3-78SF03710A 6Z 3-78SF03712A 6Z 3-78SF03716

A 6Z 3-60NF03710A 6Z 3-60NF03712A 6Z 3-60NF03716A 6Z 3-72NF03710A 6Z 3-72NF03712A 6Z 3-72NF03716

FIG. 2•

FIG. 1•

—

—

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

.3125

.375

.500

No. ofGrooves

Catalog Number P.D. O.D. F.D.B

Bore+.001 -.000

ELength

CHubDia.

DHubProj.

W


Fig. 1 Fig. 2

2.92

3.04

3.29

3.92

5.19

7/8

7/8

7/8

1

1

42

44

48

58

78

2.654

2.781

3.036

3.672

4.946

2.674

2.801

3.056

3.692

4.966

13/16

13/16

13/16

13/16

31/32

5/16

5/16

5/16

5/16

3/8

7/16

7/16

7/16

7/16

1/2

60

72

3.820

4.584

3.800

4.564

7/8

7/8

3/8

3/8

1/2

1/2

1

1

FOR 3/8" BELTS

MOLDED WITH INSERT SINGLE OR NO FLANGE


Double FlangeFig. 2

1.381.431.501.571.631.761.801.871.932.012.072.142.272.522.782.903.294.05

1.1261.1901.2531.3171.3811.5081.5721.6351.6991.7631.8261.8902.0172.2722.5262.6543.0363.800

1.1461.2101.2731.3371.4011.5281.5921.6551.7191.7831.8461.9102.0372.2922.5462.6743.0563.820

181920212224252627282930323640424860

A 6T 3-H18SF3720A 6T 3-H19SF3720A 6T 3-H20SF3720A 6T 3-H21SF3720A 6T 3-H22SF3720A 6T 3-H24SF3720A 6T 3-H25SF3720A 6T 3-H26SF3720A 6T 3-H27SF3720A 6T 3-H28SF3720A 6T 3-H29SF3720A 6T 3-H30SF3720A 6T 3-H32SF3720A 6T 3-H36SF3720A 6T 3-H40SF3720A 6T 3-H42SF3720A 6T 3-H48SF3720A 6T 3-H60SF3720

A 6T 3-H18DF3720A 6T 3-H19DF3720A 6T 3-H20DF3720A 6T 3-H21DF3720A 6T 3-H22DF3720A 6T 3-H24DF3720A 6T 3-H25DF3720A 6T 3-H26DF3720A 6T 3-H27DF3720A 6T 3-H28DF3720A 6T 3-H29DF3720A 6T 3-H30DF3720A 6T 3-H32DF3720A 6T 3-H36DF3720A 6T 3-H40DF3720A 6T 3-H42DF3720A 6T 3-H48DF3720A 6T 3-H60DF3720

Single FlangeFig. 1

Catalog Number

MATERIAL: Pulley - Nylon - Black, Fiberglass Reinforced Insert - Steel, Overmolded

O.D. F.D.P.D.No. ofGrooves

Shaftloc™ XL Pulleys - 1/5 Pitch

SINGLE OR DOUBLE FLANGEMOLDED WITH METAL INSERT

F.D.O.D.

.58

1/2

+.002.625 –.000BORE DIA.

.58+.002.625 –.000

BORE DIA.

39/64

3/4 DIA.

29/64

Fig. 1 Fig. 2FOR 3/8" BELTS

*Based on mating components being degreased before assembly with Shaftloc® coupling.

MATERIAL: 416 Stainless Steel

Catalog Number

A 7Z37-030553

Pulley Bore (Ref.)

.625

Max. Torque Capacity*lb. in.250

Applicable Shaftloc™ Sleeve (For Shaftloc™ Introduction and use, see page 3–88)

1/4

1/4 7/32 BORE DIA.

3/4HEX

PULLEYBORE(Ref.)

.375 +.001-.000

2-47 REV 8-24-06 JC

2–48

2 –

TIM

ING

PU

LLE

YS

INC

H

.1875

.250

F.D.O.D.P.D.Catalog NumberFig.No.

No. ofGrooves

CHubDia.

1

10111213141516171819202122232425262728293031

A 6K 3-10DF03706A 6K 3-11DF03706A 6K 3-12DF03706A 6K 3-13DF03706A 6K 3-14DF03708A 6K 3-15DF03708A 6K 3-16DF03708A 6K 3-17DF03708A 6K 3-18DF03708A 6K 3-19DF03708A 6K 3-20DF03708A 6K 3-21DF03708A 6K 3-22DF03708A 6K 3-23DF03708A 6K 3-24DF03708A 6K 3-25DF03708A 6K 3-26DF03708A 6K 3-27DF03708A 6K 3-28DF03708A 6K 3-29DF03708A 6K 3-30DF03710A 6K 3-31DF03710

.87 .93 .991.061.121.191.241.311.381.441.511.571.631.691.761.821.891.952.022.082.142.20

MATERIAL: Polycarbonate - Fiberglass Reinforced

7/8

NOTE: Pulleys have 2 #8-32 set screws at 90°.

2

.617 .680 .744 .808 .871 .935 .9991.0621.1261.1901.2531.3171.3811.4441.5081.5721.6351.6991.7631.8261.8901.954

.637 .700 .764 .828 .891 .9551.0191.0821.1461.2101.2731.3371.4011.4641.5281.5921.6551.7191.7831.8461.9101.974

11/16

BBore+.001 -.000

.3125

ELength

DHubProj.

13/16

13/16

13/16

13/16

13/167/8

1/4

*Set Screw location D/2.

3/4

3/47/87/8

7/8

7/8

1/4

1/4

1/4

1/4

1/45/16*

9/64D

E

B CO.D. F.D.

7/16

SET SCREWS

9/64D

E

B CO.D. F.D.

7/16 SET SCREWS

Fig. 1 Fig. 2

3/16

Did You Know?… Sterling Instrument carries the largest

selection of gear and synchro clamps?

13/16

FOR 3/8" BELTS

MOLDED WITH SET SCREWS DOUBLE FLANGE


6072

A 6K 3-32SF03710A 6K 3-34SF03710A 6K 3-35SF03710A 6K 3-36SF03710A 6K 3-37SF03710A 6K 3-39SF03710A 6K 3-40SF03710A 6K 3-42SF03710A 6K 3-44SF03710A 6K 3-48SF03710A 6K 3-58SF03712A 6K 3-78SF03712

1/2

7/16

7/161/2

SINGLE FLANGE

Catalog Number

MATERIAL: Polycarbonate

P.D.

2.0372.1652.2282.2922.3552.4832.5462.6742.8013.0563.6924.966

O.D. ELength

CHubDia.

F.D.D

HubProj.

W

323435363739404244485878

2.0172.1452.2082.2722.3352.4632.5262.6542.7813.0363.6724.946

2.272.402.462.532.592.712.782.923.043.293.925.19

.3125

.375

.375

13/16

13/1631/32

7/8

11

5/16

5/163/8

3.8204.584 —3.800

4.564A 6K 3-60NF03712A 6K 3-72NF03712

NOTE: Pulleys have 2 #10-32 set screws at 90°.

• Fig. 1

No.

of

Gro

oves

NO FLANGE

BBore+.001 -.000

.375 7/8 1 3/8

Did You Know?…AtSDP/SI,wearededicatedtomanufacturingplasticdrivecomponentsthatare

standardizedorcustom-designedbytheinchorbythemillimeter?

2 SET SCREWS

Fig. 1SINGLE FLANGE

Fig. 2NO FLANGE

E E

D

DW W

3/16

O.D. B C F.D. O.D. CB

3/16D/2

2 SET SCREWS

D/2

FOR 3/8" BELTS

MOLDED WITH SET SCREWS SINGLE OR NO FLANGE


• Fig. 2

2-49 REV: 4-4-07 JC

A 6L 3-10DF03706A 6L 3-11DF03706A 6L 3-12DF03706A 6L 3-13DF03706A 6L 3-14DF03708A 6L 3-15DF03708A 6L 3-16DF03708A 6L 3-17DF03708A 6L 3-18DF03708A 6L 3-19DF03708A 6L 3-20DF03708A 6L 3-21DF03708A 6L 3-22DF03708A 6L 3-23DF03708A 6L 3-24DF03708A 6L 3-25DF03708A 6L 3-26DF03708A 6L 3-27DF03708A 6L 3-28DF03708A 6L 3-29DF03708A 6L 3-30DF03710A 6L 3-31DF03710A 6L 3-32DF03710A 6L 3-34DF03710A 6L 3-35DF03710A 6L 3-36DF03710A 6L 3-37DF03710A 6L 3-39DF03710A 6L 3-40DF03710A 6L 3-42DF03710A 6L 3-44DF03710A 6L 3-48DF03710

.87 .93 .991.061.121.191.241.311.381.441.511.571.631.691.761.821.891.952.022.082.142.202.272.402.462.532.592.712.782.923.043.29

1011121314151617181920212223242526272829303132343536373940424448

.617 .680 .744 .808 .871 .935 .9991.0621.1261.1901.2531.3171.3811.4441.5081.5721.6351.6991.7631.8261.8901.9542.0172.1452.2082.2722.3352.4632.5262.6542.7813.036

11/16

3/4

3/47/8

7/8

7/8

7/8

7/8

7/8

7/8

7/8

.1875

.250

.3125

1/4

1/4

1/4

1/4

1/4

1/4

1/45/165/16

5/16

5/16

5/16

1

2

Catalog Number Fig.No. F.D.O.D.

BBore+.001 -.000

ELength

CHubDia.

DHubDia.

P.D.

.637 .700 .764 .828 .891 .9551.0191.0821.1461.2101.2731.3371.4011.4641.5281.5921.6551.7191.7831.8461.9101.9742.0372.1652.2282.2922.3552.4832.5462.6742.8013.056

13/16

13/16

13/16

13/16

13/16

13/16

13/167/87/8

7/8

7/8

7/8

No.

of

Gro

oves

MATERIAL: Polycarbonate, Fiberglass Reinforced

MOLDED DOUBLE FLANGE


Fig. 17/16

ED

BO.D. C F.D.

Fig. 27/163/16

ED

BO.D. C F.D.

FOR 3/8" BELTS

2-50 REV 7-16-07 JC

.1875

.250

.3125

.637 .700 .764 .828 .891 .9551.0191.0821.1461.2101.2731.3371.4011.4641.5281.5921.6551.7191.7831.8461.910

101112131415161718192021222324252627282930

.87 .93 .991.061.121.191.241.311.381.441.511.571.631.691.761.821.891.952.022.082.14

11/16

3/4

3/47/87/87/8

7/8

7/8

7/8

3/8

1/2

1/2

1/2

1/2

1/2

.617 .680 .744 .808 .871 .935 .9991.0621.1261.1901.2531.3171.3811.4441.5081.5721.6351.6991.7631.8261.890

A 6L 3-10SF03706A 6L 3-11SF03706A 6L 3-12SF03706A 6L 3-13SF03706A 6L 3-14SF03708A 6L 3-15SF03708A 6L 3-16SF03708A 6L 3-17SF03708A 6L 3-18SF03708A 6L 3-19SF03708A 6L 3-20SF03708A 6L 3-21SF03708A 6L 3-22SF03708A 6L 3-23SF03708A 6L 3-24SF03708A 6L 3-25SF03708A 6L 3-26SF03708A 6L 3-27SF03708A 6L 3-28SF03708A 6L 3-29SF03708A 6L 3-30SF03710

1

2

BBore+.001 -.000

Catalog Number No. ofGrooves F.D.O.D.P.D. A

Dia.C

HubDia.

Fig.No.



Did You Know?… That Sterling Instrument is equipped to handle an entire project from the design

and manufacturing of individual components to the assembly of final products? We are dedicated to quality products and on time delivery.

FOR 3/8" BELTS

SINGLE FLANGEMOLDED


13/16 13/161/4

1/4

O.D. A B C F.D. O.D. CBA F.D.

7/167/16 3/16

Fig. 1 Fig. 2

1/21/2

2-51 REV: 02.04.09 JC

Fig. 1SINGLE FLANGE

Fig. 2NO FLANGE

SINGLE FLANGE

F.D.O.D.P.D.

1.9742.0372.1652.2282.2922.3552.4832.5462.6742.8013.0563.6924.966

31323435363739404244485878

2.202.272.402.462.532.592.712.782.923.043.293.925.19

1.9542.0172.1452.2082.2722.3352.4632.5262.6542.7813.0363.6724.946

.3125

.375

13/16

13/1631/32

7/8

1

5/16

5/163/8

7/16

7/161/2

A 6L 3-31SF03710A 6L 3-32SF03710A 6L 3-34SF03710A 6L 3-35SF03710A 6L 3-36SF03710A 6L 3-37SF03710A 6L 3-39SF03710A 6L 3-40SF03710A 6L 3-42SF03710A 6L 3-44SF03710A 6L 3-48SF03710A 6L 3-58SF03712A 6L 3-78SF03712

A 6L 3-60NF03712A 6L 3-72NF03712

3.8204.584

3.8004.564

6072 .375— 7/8 1 3/8 1/2

CHubDia.

DHubProj.

WELength

BBore+.001 -.000


No. ofGroovesCatalog Number

Did You Know?… That by viewing our "home page" on the INTERNET http://www.sdp-si.com you

can obtain additional literature.

E E

D

DW W

3/16

O.D. B C F.D. O.D. CB

3/16

FOR 3/8" BELTS

MOLDED SINGLE OR NO FLANGE


NO FLANGE• Fig. 2

• Fig. 1

Continued from the previous page

2-52 REV: 02.04.09 JC

2–53

2 –

TIM

ING

PU

LLE

YS

INC

H

.617 .680 .744 .871 .935 .9991.1261.2531.3171.3811.5081.7631.8902.0172.2722.5262.6542.7813.036

55/6459/64

11-1/81-3/161-1/41-3/81-1/21-9/161-5/81-3/42-1/642-9/642-17/642-33/642-25/322-29/323-1/323-9/32

10111214151618202122242830323640424448

A 6M 3-10DF037A 6M 3-11DF037A 6M 3-12DF037A 6M 3-14DF037A 6M 3-15DF037A 6M 3-16DF037A 6M 3-18DF037A 6M 3-20DF037A 6M 3-21DF037A 6M 3-22DF037A 6M 3-24DF037A 6M 3-28DF037A 6M 3-30DF037A 6M 3-32DF037A 6M 3-36DF037A 6M 3-40DF037A 6M 3-42DF037A 6M 3-44DF037A 6M 3-48DF037


F.D.

MATERIAL: Acetal

Catalog NumberNo. of

Grooves P.D. O.D.

BBore+.001 -.002

.1875

CHubDia.

1/2

1/2

5/8

5/8

11/16

11/16

.3125

.637 .700 .764 .891 .9551.0191.1461.2731.3371.4011.5281.7831.9102.0372.2922.5462.6742.8013.056


Did You Know?…That SUPER-PLAST® plastic gears reinforced with metal

inserts are available from stock exclusively from SDP?

11/2 3/8

F.D.CBO.D.

.250

FOR 3/8" BELTS

DOUBLE FLANGEMOLDED

2–54

2 –

TIM

ING

PU

LLE

YS

INC

H

A 6M 3-10SF037A 6M 3-11SF037A 6M 3-12SF037A 6M 3-14SF037A 6M 3-15SF037A 6M 3-16SF037A 6M 3-18SF037A 6M 3-20SF037A 6M 3-21SF037A 6M 3-22SF037A 6M 3-24SF037A 6M 3-28SF037A 6M 3-30SF037A 6M 3-32SF037A 6M 3-36SF037A 6M 3-40SF037A 6M 3-42SF037A 6M 3-44SF037A 6M 3-48SF037

10111214151618202122242830323640424448

7/815/16

11-1/8

1-3/161-1/41-3/81-1/2

1-9/161-5/81-3/4

22-1/82-1/4

2-17/322-3/4

2-29/323-1/323-9/32

Catalog Number O.D. F.D.

MATERIAL: Acetal

No. ofGrooves P.D.

.637 .700 .764 .891 .9551.0191.1461.2731.3371.4011.5281.7831.9102.0372.2922.5462.6742.8013.056

BBore+.001 -.002

.1875

CHubDia.

1/2

1/2

11/16

G

Solid

.575 .610 .745 .785 .9501.0401.0901.2501.4951.5701.7301.9802.2052.3352.4502.720

J

Solid

.265

.265

.210

.205

.210

.210

.200

.210

.215

.210

.210

.215

.270

.210

.210

.220

**

*These pulleys are 15/16 wide (no flange shoulder).

.617 .680 .744 .871 .935 .9991.1261.2531.3171.3811.5081.7631.8902.0172.2722.5262.6542.7813.036


11/2 3/8

F.D.CBO.D.

J

5/8

5/8

11/16.3125

.250

**

*

**

**

FOR 3/8" BELTS

SINGLE FLANGEMOLDED

2–55

2 –

TIM

ING

PU

LLE

YS

INC

H

10111213141516171819202122242526272829303236404248

.637 .700 .764 .828 .891 .9551.0191.0821.1461.2101.2731.3371.4011.5281.5921.6551.7191.7831.8461.9102.0372.2922.5462.6743.056

.617 .680 .744 .808 .871 .935 .9991.0621.1261.1901.2531.3171.3811.5081.5721.6351.6991.7631.8261.8902.0172.2722.5262.6543.036

.87 .941.001.051.131.181.241.311.381.441.501.571.631.761.801.871.942.022.072.142.262.512.782.903.28

19/32

3/47/8

7/8

7/8

7/8

7/8

7/8

7/8

7/8

Other bore sizes available on special order.

O.D.P.D. F.D.

BBore+.0015 -.0000

CHubDia.

MATERIAL: Nylon - Black or Dark Brown, Fiberglass Reinforced

A 6T 3-10DF037A 6T 3-11DF037A 6T 3-12DF037A 6T 3-13DF037A 6T 3-14DF037A 6T 3-15DF037A 6T 3-16DF037A 6T 3-17DF037A 6T 3-18DF037A 6T 3-19DF037A 6T 3-20DF037A 6T 3-21DF037A 6T 3-22DF037A 6T 3-24DF037A 6T 3-25DF037A 6T 3-26DF037A 6T 3-27DF037A 6T 3-28DF037A 6T 3-29DF037A 6T 3-30DF037A 6T 3-32DF037A 6T 3-36DF037A 6T 3-40DF037A 6T 3-42DF037A 6T 3-48DF037


1

2

3

No. ofGrooves


Fig. 1

59/64

29/64

F.D. CB

5/32

5/16

SET SCREW#10-24

39/64

5/16

13/16 7/8

57/64

5/32

29/64

BF.D. O.D.

SET SCREW#10-24

Fig. 2

Fig. 3

5/1659/64

29/645/32

1/4 B

C

SET SCREW#10-24

F.D. O.D.

57/64

O.D.

.2505

FOR 3/8" BELTS

MOLDED DOUBLE FLANGE

2–56

2 –

TIM

ING

PU

LLE

YS

INC

H1011121314151617181920212224252627282930323640424860

.637 .700 .764 .828 .891 .9551.0191.0821.1461.2101.2731.3371.4011.5281.5921.6551.7191.7831.8461.9102.0372.2922.5462.6743.0563.820

.617 .680 .744 .808 .871 .935 .9991.0621.1261.1901.2531.3171.3811.5081.5721.6351.6991.7631.8261.8902.0172.2722.5262.6543.0363.800

.87 .941.001.051.131.181.241.311.381.441.501.571.631.761.801.871.942.022.072.142.262.512.782.903.284.01

19/32

3/47/8

7/8

7/8

7/8

7/8

7/8

7/8

7/8

1-1/4

.2505

.3755

A 6T 3-10SF037A 6T 3-11SF037A 6T 3-12SF037A 6T 3-13SF037A 6T 3-14SF037A 6T 3-15SF037A 6T 3-16SF037A 6T 3-17SF037A 6T 3-18SF037A 6T 3-19SF037A 6T 3-20SF037A 6T 3-21SF037A 6T 3-22SF037A 6T 3-24SF037A 6T 3-25SF037A 6T 3-26SF037A 6T 3-27SF037A 6T 3-28SF037A 6T 3-29SF037A 6T 3-30SF037A 6T 3-32SF037A 6T 3-36SF037A 6T 3-40SF037A 6T 3-42SF037A 6T 3-48SF037A 6T 3-60SF037

BBore+.0015 -.0000

CHubDia.

O.D.P.D. F.D.




No. ofGrooves

1

2

3


Fig. 2

Fig. 1

57/64

1/2

F.D. O.D. CB

5/32

5/16

SET SCREW#10-24

Fig. 3

37/64

5/16

13/16 7/8

57/64

5/32

1/2

BF.D. O.D.

SET SCREW#10-24

5/1657/64

1/25/32

B

C

SET SCREW#10-24

F.D. O.D.

FOR 3/8" BELTS

SINGLE FLANGEMOLDED

2–57

2 –

TIM

ING

PU

LLE

YS

INC

H

A 6T 3-32NF037A 6T 3-36NF037A 6T 3-40NF037A 6T 3-42NF037A 6T 3-48NF037A 6T 3-60NF037

323640424860*

2.0372.2922.5462.6743.0563.820

2.0172.2722.5262.6543.0363.800

.2505

.3755

BBore+.0015 -.0000

P.D.Catalog Number O.D.No. of

Grooves


*Hub Diameter of 60 teeth is 1-1/4" dia.



Did You Know?… That by viewing our "home page" on the INTERNET at

http://www.sdp-si.com you can obtain additional literature.

57/64

37/64

5/16

5/32

O.D.

B

*7/8

SET SCREW#10-24 FOR 3/8" BELTS

NO FLANGEMOLDED

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