Cartridge Bearing Unit Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 3/4 in Closure Double Sealed Housing Material Rubber Outside Diameter 2 17/32 in Overall Width 1.421 in Rolling Element Rows 1 Seal Type Contact Shaft Locking Type Eccentric Collar System of Measurement Inch Application Cartridge Unit Bearing Material Grade 52100 Features Conductive Rubber Interliner Used to Dissipate Static and Reduce Noise and Vibration