High quality 1/2" tapped base pillow block 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: 1/2"
Bolt hole to bolt hole: 2 in. (50.8mm)
Overall length: 2.875 in. (73.03mm)
Shaft height: 1.31 in. (33.3mm)
Overall height: 2.56 in. (65.09mm)
Bolt Size: 3/8" Thread 16TPI Depth 1/2"