CHONGQING HOSIN INDUSTRY
 
 
 
PRODUCT SHOW —BEARINGS

      We have been in this line with over 10years experience and shared a bearing factory in Zhejiang, which is specialized in designing and producing auto engine water pump bearings, clutch release bearings, front wheel bearings ,engine belt tension bearings and other special automotive bearings with ISO/TS16949:2002 by TUV.   Meantime, we also set up the firm relations with many big bearings works. It could makes us to export all kinds of ball and roller bearings from 0.6mm I.D. up to 3m O.D. and up to ABEC-5 accurate standard and V4 vibration standard.


 

STANDARD BEARING MATERIALS

Steel No.

CHEMICAL COMPOSITION %

C

Si

Mn

P

S

Cr

Mo

SAE 52100

0.98-1.1

0.15-0.3

  0.25-0.45

    <0.025

<0.025

1.3-1/6

-

AISI 440C

0.95-1.2

<1.0

<0.1

<0.04

<0.03

16-18

<0.75

CLASSIFICATION OF ACCURACY OF ROLLING BEARINGS

China GB

G

E

D

C

B

ISO

Normal Class P0

P6

P5

P4

P2

ANSI

ABEC1

ABEC3

ABEC5

ABEC7

ABEC9

DIN

P0

P6

P5

P4

P2

JIS

0G

6G

5G

4G

2G

Chongqing Hosin Industry & Trade Co., Ltd.