Dodge Flange Mount Ball Bearing Unit, Normal Duty Non-Expansion, Series: 209, 45 mm Bore Dia, 104.9 mm Bolt Center-to-Center Length, 4-Bolt Flange Mounting, 136.7 mm Overall Length/Diameter, 50.5 mm Overall Depth, 136.7 mm Overall Height, 65 deg Setscrew Locking Device, Steel Bearing, Nitrile Rubber Seal, 35115 N Dynamic/21823 N Static, 5000 rpm Maximum, Powder Coated DualGuard seal with rubberized flinger is standardPrecision hardened and honed series 200 mounted ball bearings in globally interchangeableUnique 65 deg setscrew angle and premium cup point setscrews optimize shaft holding power without excessive inner ring distortionNo lube sealed for life