Tapered Roller Bearings Suitable for use under heavy load or impact load conditions. The tapered rollers assembled in these bearings are guided by the cone back face rib. Raceway surfaces of the cone and cup so that the respective apexes converge at a point on the bearing centerline. Models available: LM, 30202 - 30228, 30302 - 30321, 32205 - 32214