Single Row Radial Bearing, 0.64" ID x 40 mm OD x 0.72" Wide, Double Sealed (Contact), Standard Precision (ABEC 1), Standard Cage, Normal Clearance (C0)
Wide Inner Ring Bearing, 1.9375" ID x 90 mm OD x 2.469" Wide, Double Sealed (Contact), Standard Precision (ABEC 1), Steel Cage, Normal Clearance (C0), Eccentric Collar