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Bearing Material
Bearing Material
2008-10-13 09:07:11
High carbon chrome bearing steel (Gcr15) is the standard material for bearing rings & rolling elements, also carbon steel & stainless steel will be used upon request. The chemical composition of Gcr15 is listed in the below table.
CHEMICAL COMPOSITION OF BEARING STEEL
Steel No.
Symbol
Chemical Composition (Wt%)
Gcr15
AISI 52100
C
Cr
Si
Mn
P
S
0.95-1.05
1.30-1.65
0.15-0.35
0.2-0.4
<0.027
<0.02
THE CONTRAST OF GCR15 OF EACH COUNTRY
China
ISO
USA
Japan
Germany
France
Sweden
GB
AISI
JIS
DIN
NF
Gcr15
683/xv11
52100
SUJ2
100Cr6
100C6
SKF3
CAGES
In general, HF or CRC cages are pressed steel ribbon cages & pressed steel snap cages. For extra-high speed application, synthetic-resin, stainless steel, nylons will be used upon request.
SHIELDS & SEALS
SPCC is the main material for HF or CRC shields, and carbon steel & stainless steel can be used upon request.
Buna Nitrile is standard sealing material we use, while fluorocabon, silicone, and teflon seals are commonly specified for high temperatures.
LUBRICATION
Different types of greases can be supplied for shielded & sealed bearings and oil for open bearings.
Details pls refer to PAGE15 for more reference.

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