1. Product Overview 32TAG12 is factory pre-assembled integral cased single direction thrust ball bearing, standard industry dimension 32mm inner bore × 56.8mm outer diameter × 17mm overall thickness. Model Code Full Explanation: TAG: Integrated cased thrust ball bearing assembly, pre-assembled with outer shell housing, two hardened race washers, steel balls and stamped steel cage as one complete unit, no separate component matching required 32: Nominal shaft inner bore