Single Row Radial Bearing, 12 mm ID x 28 mm OD x 8 mm Wide, Double Sealed (Contact), Standard Precision (ABEC 1), Steel Cage, Greater Than Normal Clearance (C3)
Wide Inner Ring Bearing, 0.5" ID x 1.5748" OD x 1.125" Wide, Double Sealed (Contact), Standard Precision (ABEC 1), Steel Cage, Greater Than Normal Clearance (C3), Eccentric Collar