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ABIS Miniature Bearings Materials

With bores of 0.6 to 90mm and precision grades to ABEC 7

ABIS Miniature Ball Bearing Materials

The standard material for ABIS rings and balls is a vacuum degassed high carbon chromium steel allowing for high efficiency, low torque, low noise level and long bearing life. For bearings requiring anti-corrosion or heat-resistant properties, martensitic stainless steel is used.

Material

Sizes

Designation

Symbol

Chemical Composition (Wt%)

C

Si

Mn

P

S

Cr

Mo

Chromium Steel

All

SUJ2

SAE 52100

100Cr6

0.95-1.10

0.15-0.35

<0.50

<0.025

<0.025

1.30-1.60

<0.08

Stainless

Steel

d<25mm

& D<52mm

KS440

(ACD34), X65Cr6

S, H

0.95-1.20

<1.00

<1.00

<0.040

<0.030

16.0-18.0

<0.75

d>25mm

& D<52mm

SUS440C,

AIS1440C, X102CrMo17

S, H

0.60-0.75

<1.00

<1.00

<0.030

<0.020

11.5-13.0

<0.030

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IEC is the leading supplier of precision engineered vibration, sealing and rotating components for industry.