High quality pressed steel 7/8" two bolt flange bearing. The bearing has a narrow inner ring with two set screws for attaching to the shaft. Bearing is pre-filled with grease.  

Diminisions:
Bore: 7/8"
Bolt hole to bolt hole: 2.99 in. (76mm)
Overall length: 3.74 in. (95mm)
Bolt hole: .354 in. (9mm)