Mounted Ball Bearing Number of Bolts 2 Standard Duty Series Bore Dia 1 In. Ball Bearing Type Steel Bearing Material Cast Iron Housing Material Concentric Locking Type Mounting Hole Center 3-1/2 in to 4-1/2 In. Mounting Surface to Shaft Center 1-7/16 In. Overall Height 2-3/4 In. Overall Width 1-3/4 In. Overall Length 5-1/2 In. Bolt Hole Size 3/8 In. Wide Inner Race Insert Dynamic Load Capacity 800 lb. Static Load Capacity 2 180 lb. Temp Range 32 Degrees to 200 Degrees F