ball bearings:For food, medical, mining and other machinery, may be long-term use in heavy acid and alkali environment

ball  bearings:

Brand:BiaoMa
dimension: 20*37*9mm
Weight :0.003kg

Stainless steel bearings is  low vibration, low noise, high precision rotary performance, but also with its unique performance: wide adaptation to the environment, acid, corrosion resistance, can be water, river water, distilled water, dilute nitric acid, marine climate, steam and other corrosive media work.

we  can supply type S6904 ZZ SERIES .