Dodge Ball Bearing Cartridge Unit, Normal Duty Non-Expansion, Series: 211 Series, 2-3/16 in Bore Dia, 5-3/8 in Bolt Circle, Four-Bolt Piloted Flange Mounting Type, 6.38 in Overall Length/Diameter, 2.37 in Overall Depth, D-LOK Concentric Clamp Collar Locking Device, Steel Bearing, Nitrile Rubber Seal, 9755 lb Dynamic/6588 lb Static, 3500 rpm Maximum, Powder Coated DualGuard seal with rubberized flinger is standardPrecision hardened and honed inner and outer ringsNew rugged housing designWide inner ring designDodge DualGuard positive contact seal including rubberized flingersStronger and flexible ball retainerSimplified anti-rotation deviceFDA/USDA lubricant and other special lubricantsInterchangeable mounting dimensions with most competitive productsConcentric clamp collar locks the bearing to the shaft by tightening a single allen wrench cap screwAnti-rotation device prevents insert rotation associated with heavy loads, vibration, unbalanced loads and high-speed applications+/-2 deg static misalignment