100% new quality.There are shields on both sides of the bearing to prevent the entry of lubricants and contaminantsCarbon steel is durable and resistant to deformation under heavy loadssize:8x2.1cmMaterial:Bearing steelcolour:SilverPackage Contents:1 * BearingOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

6307-C3 Bearing High Quality Deep Groove Ball Bearing High Quality Steel Single Row Bearing 

100% new quality.There are shields on both sides of the bearing to prevent the entry of lubricants and contaminantsCarbon steel is durable and resistant to deformation under heavy loadssize:8x2.1cmMaterial:Bearing steelcolour:SilverPackage Contents:1 * BearingOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.