... Cylindrical roller bearing 2. Brand: NSK N421M 3. Material quality: Bearing steel 4. Service: OEM available. 1. Product Details: *Brand: NSK Bearing*Type: Cylindrical roller ... mainly have the agent brands of SKF bearings from Sweden, FAG &INA bearings from Germany, NSK, NTN, IKO, ... KOYO,NACHI bearings from Japan, TIMKEN bearings from America, also the other king size bearings in many brands. * ...