Description Narrow Insert Bearing with Eccentric Lock Collar - Imported. This item is a suitable alternative for the following: 851-SA20619, RA103RRB-IMP, RA103RRB, RA103NPPBIMP, RA103NPPB-IMP, RA103RRBIMP, 3096, A-NPS103RPC, ANPS103RPC, NPS103RPC