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Wolee Industrial is a professional manufacturer of stainless steel bearings, and it mainly manufactures all kinds of stainless steel bearings and non-standard pulley wheels.

1.Compared with ordinary bearings, stainless steel bearings have distinct material advantage because stainless steel bearings have more wide application than ordinary bearings. In rusty and corrosive environment, the cost performance of stainless steel bearings is outstanding specially.

2.AISI (SUS) 440 stainless steel (Chinese code: 9Cr18) is adopted for regular stainless steel bearing ring and ball, AISI304 stainless steel (Chinese code: 0Cr19Ni9) is adopted for cage, shield and seal skeleton. Hence, stainless steel bearing can be put into high-strength and high-precision mass production.   

Compared with ordinary bearings, stainless steel bearings have stronger anti-rust property and anti-corrosion property, and by adopting proper lubricating agent, dust cover, etc., it is able to serve under -60℃~+300℃. Stainless steel deep groove ball bearing is able to resist humidity and corrosion caused by other media. Same as standard deep groove ball bearing, such one-line deep groove ball bearing has very deep ball track groove, and the ball track and the ball require a sky-high degree of adaptability.The process is same as general bearings and due to high mechanical strength and large loading capacity, stainless steel bearing is widely used in the fields of food processing, medical machinery, chemical machineries, etc.

3.Simultaneously, it may also manufacture the stainless steel bearing of AISI304 and AISI316 materials as required by clients.

Material comparsion table with each country:

Type	USA NO.	Chinese No.	C	Cr	Ni	Mn	P	S	Mo	Si
Austenitic Stainless Steel	304	0Cr18Ni9	0.07	17.00-19.00	8.00-10.00	2.00	0.035	0.030	-	1.00
	316	0Cr17Ni12Mo2	0.08	16.00-18.50	10.00-14.00	2.00	0.035	0.030	2.00-3.00	1.00
	316L	00Cr17Ni14Mo2	0.030	16.00-18.00	12.00-15.00	2.00	0.035	0.030	2.00-3.00	1.00
Martensitic Stainless Steel	420J1	2Cr13	0.16-0.25	12.00-14.00	3)	1.00	0.035	0.030	-	1.00
	420J2	3Cr13	0.26-0.35	12.00-14.00	3)	1.00	0.035	0.030	-	1.00
	440B	9Cr18	0. 90- 1. 00	17.00-19.00	3)	0.80	0.035	0.030	4)	0.80
	440C	11Cr17	0.95-1.20	16.00-18.00	3)	1.00	0.035	0.030	4)	1.00