With its patented pull/push adapter system, fully concentric 360 deg inner ring, and completely interchangeable housing design, the Dodge Grip Tight adapter ball bearing is the easy-on/easy-off solution for damage-free shafting, reduced vibration and greater cost/inventory savings. Dodge Flange Mount Ball Bearing Unit, Normal Duty Non-Expansion Single Lip, Series: 209, 1-3/4 in Bore Dia, 4.13 in Bolt Center-to-Center Length, Four-Bolt Base Flange Mounting Type, 5.38 in Overall Length/Diameter, 2.03 in Overall Depth, 5.38 in Overall Height, Grip-Tight Adapter Locking Device, Steel Bearing, Nitrile Rubber Seal, 7891 lb Dynamic/4906 lb Static, 8000 rpm Maximum, 225 to 400 deg F, Uncoated Wide inner ring designThin wall adapter locking