112 NOSE SEIKO CO.,LTD.

NAX

COMBINED NEEDLE ROLLER BEARINGSWITH AXIAL BALL BEARINGS WITHOUT INNER RINGS

NKX,NKX..Z TYPE■

nKX,

nKX

..Z

113NOSE SEIKO CO.,LTD.

nKX,

nKX..

Z

Shaft diameter

(mm)

Designation Dimensions (mm) Standard mounting

dimensions (mm)

Basic dynamic load rating Basic static load rating Limiting speed

(Grease)＊

Mass Usable bearing designation

Open type With dust cover Radial Axial Radial Axial

g

Grease pre-packed in thrust section Fw D D1 D2 C C1 C2 rs min d1 da MIN Cr

NCor N rpm g

(approx.) INNER RING WITH INNER RING

10 NKX10—

—NKX10Z

1010

+0.022+0.013

1919

24—

—25

2323

99

6.56.5

0.30.3

1010

1818

8 2008 200

10 00010 000

9 2009 200

14 00014 000

9 5009 500

3637.5

IR71016IR71016

NKXI 7NKXI 7Z

12 NKX12—

—NKX12Z

1212

+0.027+0.016

2121

26—

—27

2323

99

6.56.5

0.30.3

1212

2020

9 2009 200

10 30010 300

11 20011 200

15 40015 400

9 2009 200

40.542

IR91216IR91216

NKXI 9NKXI 9Z

15 NKX15—

—NKX15Z

1515

+0.027+0.016

2424

28—

—29

2323

99

6.56.5

0.30.3

1515

2323

12 40012 400

10 50010 500

14 90014 900

16 80016 800

8 8008 800

4445.5

IR121516IR121516

NKXI 12NKXI 12Z

17 NKX17—

—NKX17Z

1717

+0.027+0.016

2626

30—

—31

2525

99

88

0.30.3

1717

2525

12 80012 800

10 80010 800

16 30016 300

18 20018 200

8 5008 500

5253.5

IR141717IR141717

NKXI 14NKXI 14Z

20 NKX20—

—NKX20Z

2020

+0.033+0.020

3030

35—

—36

3030

1010

10.510.5

0.30.3

2020

2929

17 60017 600

14 20014 200

25 40025 400

24 70024 700

7 5007 500

8385.5

IR172020IR172020

NKXI 17NKXI 17Z

25 NKX25—

—NKX25Z

2525

+0.033+0.020

3737

42—

—43

3030

1111

9.59.5

0.60.6

2525

3535

20 00020 000

19 60019 600

32 20032 200

37 30037 300

6 5006 500

124.5127.5

IR202520IR202520

NKXI 20NKXI 20Z

30 NKX30—

—NKX30Z

3030

+0.033+0.020

4242

47—

—48

3030

1111

9.59.5

0.60.6

3030

4040

25 10025 100

20 40020 400

40 10040 100

42 20042 200

6 2006 200

141.5145

IR253020IR253020

NKXI 25NKXI 25Z

35 NKX35—

—NKX35Z

3535

+0.041+0.025

4747

52—

—53

3030

1212

99

0.60.6

3535

4545

27 00027 000

20 40020 400

46 20046 200

44 70044 700

5 6005 600

163167.5

IR303520IR303520

NKXI 30NKXI 30Z

40 NKX40—

—NKX40Z

4040

+0.041+0.025

5252

60—

—61

3232

1313

1010

0.60.6

4040

5252

29 40029 400

26 90026 900

54 10054 100

62 90062 900

5 0005 000

214220

IR354020IR354020

NKXI 35NKXI 35Z

45 NKX45—

—NKX45Z

4545

+0.041+0.025

5858

65—

—66.5

3232

1414

99

0.60.6

4545

5757

31 10031 100

27 90027 900

60 10060 100

69 20069 200

4 6004 600

251264.5

IR404520IR404520

NKXI 40NKXI 40Z

50 NKX50—

—NKX50Z

5050

+0.041+0.025

6262

70—

—71.5

3535

1414

1010

0.60.6

5050

6262

43 00043 000

28 70028 700

85 20085 200

75 40075 400

4 5004 500

277291.5

IR455025IR455025

NKXI 45NKXI 45Z

60 NKX60—

—NKX60Z

6060

+0.049+0.030

7272

85—

—86.5

4040

1717

1212

11

6060

7575

47 50047 500

41 40041 400

103 000103 000

113 000113 000

3 7003 700

443465.5

IR506025IR506025

NKXI 50NKXI 50Z

70 NKX70—

—NKX70Z

7070

+0.049+0.030

8585

95—

—96.5

4040

1818

1111

11

7070

8585

55 50055 500

43 10043 100

120 600120 600

127 000127 000

3 4003 400

577601

IR607025IR607025

NKXI 60NKXI 60Z

＊Suitable for oil lubrication. In case of grease lubrication, down to 70% of this value.

NKX NKX..Z NKXNKX

γ

γ

C1 C2

C

dD F D

11 w da

D2

NKX..ZNKX..Z

γ

γ

C1 C2

C

dD F D

11 w da

D2