High quality 1-3/4" 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.

Diminisions:
Bore: 1-3/4"
Bolt hole: 1.141 in. (29mm)
Overall length: 5.66 in. (144mm)
Slot size: .689 in. (17.5mm)
Width from slot to slot: 3.98 in. (101mm)