UCT205-16 1" Take-up Ball Bearing Unit UCST205-16 ST-16 TBY-1-TM  High quality 1" take-up bearing  The bearing has a wide inner ring with two set screws for attaching to the shaft  Housing is cast iron with a grease zerk for re-lubing the bearing  Dimensions:  Bore: 1"，Bolt hole: .7480 in. (19mm)，Overall length: 3.81 in. (97mm)，Slot size: .531 in. (13.5mm)，Width from slot to slot: 2.99 in. (76mm)