Our SS bearing produce according ISO strictly.Rings and balls made of AISI SUS440,Vacuum quenching and tempering treatment,cage and metal shell be made of AISI304.Can be used under -60?~+280? 
This type stainless steel ball bearings export to England,France,Sigapore,Germany.We keep good relations with famous brands GRW GmbH Germany. Provide Z4V4 bearings to them.

1)Feature:Stainless steel deep groove ball bearings are resistant to corrosion from moisture and other chemical liquids.Compare to chrome steel ball bearings this bearings have better performance of high precision,close tolerance,good vibration and high speed.

2)Material:SUS304 SUS316 SUS440 custome made material
3)Quality level: P0 P6 P5   ABEC1 ABEC3 ABEC5 Vibration: Z1 Z2 Z3

4)Widely used in these fileds:medical devices?cryogenic engineering,optical instruments,digital products,high speed motor,printing equipment,food and beveragy industry.