Description Narrow Insert Bearing with Eccentric Lock Collar - Imported. This item is a suitable alternative for the following: 851-SA20620, RA103NPPB2-IMP, RA103NPPB2IMP, RA103RRB2, RA103RRB2-IMP, NPS103RP2C, ANPS103RP2C, RA103RRB2IMP, A-NPS103RP2C, AN210541