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Material & Precision

JingHong bearings usually adopt GCr 15 to produce ring and rolling element,
Also we can produce according to your nominated material. The Chemical Composition, See Table 1 The contrast of Bearing Steel No.of each country ,See Table 2.
Table 1

Chemical Composition(%)

No.

C

Mn

Si

Cr

S

P

Ni

Cu

HB

Gcr15

0.95~1.05

0.20~0.4

0.15~0.35

1.30~1.65

0.02

0.027

0.3

0.25

170-207

Table 2

Country

China

International Standard Organization

U.S.A

Germany

Japan

Sweden

Bearing

GCR15

683/XVIII

(AISI)52100

(Din)100Cr6

(Jis)SUJ2

SKF3

Steel number

According to the international standard, the precision of JingHong Bearing can be divided into five grades:

P0,P6,P5,P4,P2
The grade of tolerance is in accordance with the standard of GB/T307.1-94
The Contrast of Bearing precision, Please see Table 3
Table 3

Country

Standard

Accuracy Grade

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

ABEC1

ABEC3

ABEC5

ABEC7

ABEC9

 

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Address:3-1-2, No.15, Wanbao Road, Wafangdian City, Liaoning Province, China Contact: Mr William
TEL: 0086-13898645325
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