Motorcycle Bearings 62/63 Series are used in wheel hubs, crankcases, and transmissions. Made of Chrome Steel 52100 with a deep groove structure, they feature ball or roller rolling bodies, grease lubrication, and options for open, sealed (2RS), or shielded (ZZ) designs. Produced by leading manufacturers such as NTN, NSK, Nachi, Koyo (Japan), and KBC (South Korea), these bearings handle high speeds and offer excellent radial load capacity.