Industrial Bearing-Deep Groove Ball Bearings-bearing collar and roller material

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Deep Groove Ball Bearings->bearing collar and roller material

Bearing collar and roller material
The best material for rolling bearing is high carbon chromium bearing steel, which features desired hardness, strong rolling fatigue resistance, wearing resistance and stable dimension. Its chemical composition is:

Chemical composition of bearing steel GCr1

Element(wt%)	C 0.95-1.05	Cr 1.40-1.65	Si 0.15-0.35	Mn 0.25-0.45	P =0.027	S =0.02
Element(wt%)	Ni <0.23	Cu =0.25	Mo =0.1	Sn <0.03	As <0.04	Ti <0.005
Element(wt%)	Sb <0.002	Pb <0.002	O<0.001	Al <0.05	Ca <0.01	-

Corresponding designation equivalent GCr15

CHINA	ISO	USA	GERMANY	JAPAN	SWEDEN
GCr15	683/XVⅡ	52100 (ASTM)	100Cr6 (DIN)	SUJ2 (JIS)	SKF3

Staintess steel

Steel No.	Chemical composition%
Steel No.	C	Si	Mn	P	S	Cr	Mo
AISI-440C	0.95-1.2	<1.0	<1.0	<0.04	<0.03	16-18	<0.75

Deep Groove Ball Bearings Production Scope:

Single row ball bearings; Double row ball bearings; Stainless steel Ball bearings; Angular contact ball bearings, ceramic ball bearings. Pressed ball bearings and stamped ball bearings; Non standard ball bearing and special ball bearings; self-aligning ball bearings; Plastic ball bearings;Miniature ball bearings; Miniature bearings;