Dodge Flange Mount Roller Bearing Unit, Non-Expansion Type E-Xtra Triple Lip, Series: 307, 3-1/2 in Bore Dia, 6.1 in Bolt Center-to-Center Length, 8.63 in Bolt Circle, Piloted Flange Mounting Type, 10-1/4 in Overall Length/Diameter, 5 in Overall Depth, 10-1/4 in Overall Height, 65 deg Setscrew Locking Device, Cast Iron Bearing, 17750 lb Dynamic/108600 lb Static, 1640 rpm Maximum, -100 to 200 deg F, Uncoated New XTS seal provides added protection against contaminationCompletely assembled, factory adjusted and properly lubricated shaftStocked in all configurations