What's needle rollers (SAE52100)chrome steel? Where's loose cylindri...llers(100Cr6)hardened? How to buy cylindrical needle rollers(SUJ2)?

What's needle rollers (SAE52100)chrome steel? Where's loose cylindrical rollers(100Cr6)hardened? How to buy cylindrical needle rollers(SUJ2)?

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YDTech® MANUFACTURER of hardened cylindrical needle rollers(1.3505)SAE52100! Supplier of cylindrical needle rollers(AISI52100) in china.

Chrome steel needle rollers are widely used in

precision roller bearings, as well as in a

number of other industrial applications.

Chrome steel needle rollers have excellent

surface quality, high hardness and high load bearing capacity as a

result of through hardening.

chrome steel 52100 overall performances are good, after quenching and tempering, degree of

hardness is high and even, the wear resisting performance is good, the contact fatigue

intensity is high. the hot working of chrome steel is good, after quenching,Chrome steel has

the good machinability.

Even if the profile is within the tolerance zone,

there may still be local features that can cause

elevated stress. ProfileMaster incorporates

local convexity analysis – a powerful new tool

for understanding the “bumps” that cause “stresses”. For example,

this profile has a “bump” on the left side. In some applications, bumps such as these can

cause major product failures. Traditional waviness parameters like “Wt” would not detect this

bump as it falls inside the total peak-to-valley range of the profile.

chrome steel standards of different countries for cylindrical rollerschina (GCr15), USA (SAE52100,AISI52100), Germany (100Cr6), JIS SUJ-2

chemical properties for rolling bearing chrome (axletree) steel

rolling bearing chrome (axletree) steelspecification mark C Si Mn S P Cr Mo

china(GB) GCr15 0.95-1.05 0.15-0.35 0.25-0.45 <0.025 <0.025 1.40-1.65 -

USA(AISI,UNS) 52100(G52986) 0.98-1.10 0.15-0.35 <0.5 <0.025 <0.025 1.30-1.60 <0.10

japan (JIS) SUJ2 0.95-1.10 0.15-0.35 <0.5 <0.025 <0.025 1.30-1.60 <0.08

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http://www.bearing-needle.com/9chrome-steel-AISI52100-100Cr6.htm（第 1／2 页）[2015-10-17 21:46:23]

What's needle rollers (SAE52100)chrome steel? Where's loose cylindri...llers(100Cr6)hardened? How to buy cylindrical needle rollers(SUJ2)?

germany(DIN/W-Nr) 100Cr6/w3(1.3505) 0.95-1.05 0.15-0.35 <0.5 <0.025 <0.025 1.30-1.60 <0.08

france NF 100C6 0.95-1.05 0.15-0.35 <0.5 <0.025 <0.025 1.30-1.60 <0.08

UK(BS) 535A99 0.95-1.05 0.15-0.35 <0.5 <0.025 <0.025 1.30-1.60 <0.08

sweden(SKF) SKF3 0.95-1.05 0.15-0.35 <0.5 <0.025 <0.025 1.30-1.60 <0.08

rolling bearing chrome (axletree) steel cylindrical roller pins,needle rollers

needle rollers have perfectly ground diameter provides perfect location of mating. tightened

surface finish assure better contact with mating parts. highly controlled mechanical properties

for more than desired requirements. high grade cylindrical rollers for good strength & wear

resistance.

since the profile of needle is not cylindrical along its whole length as there is a very slight

taper towards the ends, therefore precise measurement of the diameter can only be carried

out in the central area of the needle. Needle Rollers having a greater taper at the end may be

supplied on request.

cylindrical rollers also referred to as parallel pins, are commonly used to retain parts in a fixed

position or to preserve alignment. Accurately ground to plus 0.0003", minus 0.0000" of the

stated diameter and ?.010" of the length, they are chamfered at both ends for easy insertion.

a selection of sizes and lengths is a useful addition to the well-equipped shop or laboratory.

needle rollers tapered rollers cylindrical rollers dowel pins grooved pins crowned rollers needle roller bearing copyright©2015 YDTech®

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