Description Bearing, wide inner ring. Spherical outside diameter. KRRB series, relubricatable type. 7/8" bore, 2.0472" (52mm) O.D. Manufacturer Reference number: GRA014NPPB. This item is a suitable alternative for the following: 851-SA20514RE, WG214EL, TP-JD9414, SPA14, GRA014RRB, GRA014NPPB, 483516R92, 165364