17287-2RS hybrid ceramic deep groove ball bearing 17x28x7mm
Quality : Inner and outer rings : chrome steel GCR15
Balls : SI3N4
Cage : Nylon
Seal : Rubber, blue black,color radom

Because of the most models are not in shop, please contact me for more price lists.
Full ceramic bearings with anti-magnetic insulation, corrosion resistant, non-self-lubricating, high temperature resistant, cold, etc., can be used in extremely harsh environments and special conditions.