Dodge Pillow Block Ball Bearing Unit, Intermediate Duty Non-Expansion Single Lip, Series: 210, 1-15/16 in Bore Dia, 6 to 6.68 in Bolt Center-to-Center Length, 2.19 in Base to Bore Centerline, 8.12 in Overall Length, 1-23/32 in Overall Width, 4.47 in Overall Height, Two-Bolt Base Mount, Round Bore Type, 2-1/4 in Base Width, Eccentric Collar Locking Device, Single Lip Seal, Non-Expansion Expansion Type, 7891 lb Dynamic/5213 lb Static, 4500 rpm Maximum, Steel, Powder Coated Narrow inner ring designFiberglass reinforced nylon cageGrade 10 balls for quiet operationProguard single lip sealNo groove in housing for end coverLow backing height pillow block