Miniature ball bearings,such as 6308zz
6000 series ,such as 6004 bearing
6200 series,such as 6205 bearing
6300 series,such as 6305 bearing
6900 series,such as 6903 bearing
Sample:
Available
(Kn)Basic LoadRating
(Kn)Basic LoadRating
(r/min)LimitRotational Speed
(r/min)LimitRotational Speed
Dynamic Cr
Static Cor
Grease
Lubrication
Oil Lubrication
4.75
24.01
7000
9000
Weight
0.6394
The contrast of gcr15 of each country:
Country
China
ISO
USA
Bearing Steel No
GCr15
683/XVIl
(AISI)52100
Country
Germany
Japan
Sweden
Bearing Steel No
(Din)100Cr6
(Jis)SUJ2
SKF3
The chemical composition of GCr15 is listed in the below tables:
Chemical Composition(%)
Steel No.
C
Si
Mn
GCr15
0.95-105
0.15-035
025-045
Steel No.
P
S
Cr
GCr15
<0.025
≤0.025
1
1.40-1.65
Steel No.
Cu
Ni
GCr15
<0.25
<0.30
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