1. Product Overview 83B880B single-row non-standard tapered roller bearing with special tapered roller structure, capable of bearing heavy combined radial and unidirectional axial loads simultaneously. Fully interchangeable with original NSK 83B880B, specially matched for heavy-load differential shafts of Asian passenger car automatic transmissions. Open design without rubber sealing lips, equipped with stamped low-carbon steel cage, standard C0 clearance as default, C3