... OEM available. 1. Product Details: *Brand: NSK Bearing*Type: Cylindrical roller bearing*Data Table for reference: Brand: NSKModel: N421MInner diameter: ... *We 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. *We ...