Timken 43312-3 Taper Bearing Cup 3-1/8″ OD 5/8″ W 43312 *3 USA
Model: 43312 #3. Timken 43312-3 Tapered Roller Bearing Cup. 3.1250 in OD. Precision Class 3. Case-hardened steel. Matches 43000 series cones (e.g., 43112). Timken 46720DC Double Bearing Cup 6-1/2″ ID 8-7/8″ OD 46720-DC USA.