R4-2RS Radial Ball Bearing

R4-2RSR4-2RS Series Single Row Radial Ball Bearings?are made of Chrome-Steel, pre-lubricated with grease and has rubber seals on both sides to protect the bearings from dust or any other types of possible contamination. The?R Series Radial Ball Bearings?have a combination of an inner and outer ring with a cage containing a complement of precision balls.?The?R Series Single Row Radial Ball Bearings?include in the following: axial fans, clutch, drive axles, idler wheels, motors, roller skates, skateboards, snow mobiles, fishing reel, motors, and many other industrial equipment.??R4-2RS Dimensions?"d" (shaft or inner diameter) =?1/4"? "D" (outer diameter) =?5/8" "B" (width) =?.1960"