Bearing Material - Zhejiang Ruichang Bearing Co., Ltd.(HEZE DACHANG BEARING CO.,LTD.)

Technical Information

Bearing Material

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
Gcr15	AISI 52100	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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