The Grip Tight ball bearing is shaft-ready right out of the box and offered in a variety of housing styles for normal and medium duty operations. It accommodates commercial grade and some undersized shafting to lower costs, and all Grip Tight assemblies fit into a standard Dodge ball bearing housing. Dodge Pillow Block Adapter Ball Bearing, Normal Duty Non-Expansion Single Lip, Series: 208, 1-1/2 in Bore Dia, 5.18 to 5.88 in Bolt Center-to-Center Length, 2.13 in Base to Bore Centerline, 7-1/4 in Overall Length, 1.84 in Overall Width, 4.19 in Overall Height, Two-Bolt Base Mount, Round Bore Type, 1.93 in Base Width, Grip-Tight Adapter Mounted Locking Device, Single Lip Seal, Non-Expansion Expansion Type, 7332 lb Dynamic/4475 lb Static, 8500 rpm Maximum, Steel, Uncoated Non-metallic retainer provides added strengthGrade 10 balls for quiet operationCase-carburized inner ring ensures greater wear resistance and longer lifeLock/inner ring interface acts as bearing puller to ease disassemblyRugged housing for easy installation and alignment