Mounted Ball Bearing, Number of Bolts: 2, Series: SAK, Bore Dia.: 1-3/8", Bearing Type: Ball, Bearing Material: Steel, Housing Material: Cast Iron, Locking Type: Set Screw, Mounting Hole Center: 5-1/8", Mounting Surface to Shaft Center: 1-13/16", Overall Height: 3-5/8", Overall Width: 1-25/32", Overall Length: 6-9/16", Bolt Hole Size: 1/2", Insert: Ball Bearing, Dynamic Load Capacity: 6,400 lb., Static Load Capacity: 3,400 lb., Temp. Range: -65 Degrees to 200 Degrees F, Finish: Powder Coat, Color: Gray