Home > Service > Technique Information
 
 
 
 
 
 
 
 
 
Materials
Generally Inner & Outer ring and Steel Ball are made of GCr15, whose chemical composition is as following:
Steel No.
Chemical Composition(%)
GCr15
C
Si
Mn
P
S
Cr
0.95-0.15
0.15-0.35
0.25-0.45
<=0.025
<=0.025
1.40-1.65
The contrast of Bearing Steel No. of each country is as following:
 
CHINA
JAPAN
AMERICA
GERMANY
FRENCH
Bearing Steel
(GB)GCr15
(JIS)SUJ2
(AISI)52100
(DIN)100Cr6
(NF)100C6
Stainless Steel
(GB)9Cr18
(JIS)SUS440C
(AISI)440C
(DIN)WNr4535
(NF)Z100CD17
 
Accuracy
According to the International Standard, the Accuracy of Bearing can be divided into five grades: Normal Grade 0, High Grade 6, Accurate Grade 5, Over Accuracy Grade 4.
The Contrast of Bearing Accuracy is as following:
Country
Standard
Accuracy Grade
China
GB/T307
0
6
5
4
International Standard Organization
ISO
0
6
5
4
Sweden
SKF
P0
P6
P5
P4
Germany
DIN
P0
P6
P5
P4
Japan
JIS
P0
P6
P5
P4
American
ANSI
ABEC-1
ABEC-3
ABEC-5
ABEC-7

More Technique Information:
 
 
Copyright © 2005 biway.cn. All Rights Reserved.
Add: A235 Room,NO.2 Gaoxin 5th Road Xi`an 710075 China
Fax: +86-29-88330977 Tel: +86-29-88330965 88324787 E-mail: sales@biway.cn