No .

C

Mn

Si

Cr

S

P

Ni

Cu

HB

<

Gcr~15

0.95~1.05

0.20~0.4

0.15~0.35

1.30~1.65

0.020

0.027

0.3

0.25

170~207

Bearing steel No.

Gcr-15

683/XVII1

(AISI)52100

(Din)100Cr6

(Jis)SUJ2

SKF3

China

GB307.1

0

6

5

4

2

International

standard Organization

ISO

0

6

5

4

2

Sweden

SKF

P0

P6

P5

P4

P2

Germany

DIN

P0

P6

P5

P4

P2

Japan

JIS

P0

P6

P5

P4

P2

U.S.A

ANSI

ABEC-1

ABEC-3

ABEC-5

ABEC-7

ABEC-9