High quality 1" pillow block bearing. The bearing has a narrow inner ring with two set screws for attaching to the shaft. Housing is pressed steel and the bearing is pre-lubed.

Diminisions:
Bore: 1"
Bolt hole to bolt hole: 3.385 in. (86mm)
Overall length: 4.252 in. (108mm)
Shaft height: 1.126 in. (28.6mm)
Overall height: 2.228 in. (56.6mm)
Bolt hole: .452 in. (11.5mm)