P4Dimensional & Running Accuracy To ISO Tolerance Class 4 (More Accurate Than P5)-Abec.7
QBCBFour Matched Single Row Deep Groove Or Angular Contact Ball Bearings Arranged Tandem - Back-To-Back <<>>, Medium Preload
VJ152Unknown (V Combined With A Second Letter And Followed By A Three Or Four-Figure Number Identifies Variants Of The Standard Design, Which Cannot Be Identified By Generally Applicable Suffixes; The Second Letter Identifies A Variant Group)