bearing-Needle Roller Bearings-Bearing manufactures

Basico Bearing - Bearing Material

RINGS & BALLS vacuum degassed, high carbon chromium bearing steel GCr15 is the standard material for precision bearing rings and balls. The material has uniform specification as AISL 52100(America)DIN100 Cr6(German),JISSUJ2(Japan)

Steel No.

Chemical composition %

C

Si

Min

P

S

Cr

Mo

Cu

Ni

GCr 15

0.95-1.05

0.15-0.35

0.25-0.45

s0.025

s0.025

1.40-1.65

s0.25

s0.30

STAINLESS STEEL

Specification

Trademark

Chemical composition (%)

C

Si

Mn

P

S

Cr

Mo

GB 3086

9Cr18

0.90-1.00

Below 0.80

Below 0.80

Below 0.35

Below 0.30

17.00-19.00


JIS G 4303

SUW440C

0.95-1.20

Below 1.00

Below 1.00

Below 0.40

Below 0.30

16.00-18.00

Below 0.75