C3 Internal Clearance is larger clearance within ball and ring than standard clearance ( C0 or no suffix marked ) and that is an option for those application which have tension and stroke on shaft, so helps the bearing to be capable to take Axel and Radial Loads.
C3 Internal Clearance for Electric Motor , Automotive use
Sizes: ID 12mm x OD 32mm x W 10mm Precision Radial Ball Bearing Both Sides Rubber Sealed, C3 Clearance Class and pre-lubricated
Sizes: ID 17mm x OD 40mm x W 12mm Radial Ball Bearing Both Sides Metal Shielded, Electric Motor Quality C3 Class and pre-lubricated with Grease
Sizes: ID 25mm x OD 52mm x W 15mm Radial Ball Bearing Both Sides Metal Shielded C3 Internal Clearance Class and pre-lubricated with Grease
Radial Single Row Ball Bearing