| In/External Ring |
| Carbon steel, Chrome steel, Stainless steel |
| Ball |
| Carbon steel, Chrome steel, stainless steel |
| Retainer |
| PA6, Steel strip, Brass strip |
| Heat Treatment |
| Carbonnitruration, Quenching,Hardening |
| Antirust Treatment |
| Zinc-plating, Nickle-plating, Chrome-plating |
| Race Finishing |
| Grinding, Super-grinding |
| Plastic Covering |
PA, POM
Package: wood salver/steel salver
Delivery:Air ( Shanghai)/Sea (Main port :Shanghai Ningbo)
Material, Tolerance, Lubrication, Technical parameter |
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