R188ZZ Deep Groove Ball Bearings Z2 1/4 Inch X 1/2 Inch X 3/16 Inch Double Shiel
Bearing Number R188ZZ. ABEC Tolerance 1 (P0), Z2 Noise Level for most general use. Deep Groove Ball Bearings are one of the most widely used rolling bearings. They are used to accommodate radial and axial loads in both directions (Mainly bear radial load, but also can bear a certain amount of axial load).