Dodge Flange Mount Ball Bearing Unit, Normal Duty Non-Expansion, Series: 210, 2 in Bore Dia, 4.38 in Bolt Center-to-Center Length, 4-Bolt Flange Mounting, 5.63 in Overall Length/Diameter, 2.07 in Overall Depth, 5.63 in Overall Height, Grip Tight Adapter Mount Locking Device, Steel Bearing, 7891 lb Dynamic/5213 lb Static, 7500 rpm Maximum, Uncoated Patented pull/push thin wall Grip-Tight adapter systemIdeal for high-speed applications in which concentricity is importantLittle or no bearing vibration at high speedsAlleviates setscrew issues due to vibrationWide inner ring design