Tapered roller bearings consist of outer , inner ,rollers and a cage. This bearing contains tapered rollers for its rolling which are guided by the inner backface rib on the roller large end face. The raceway surfaces of inner and outer and the rolling of rollers are designed so that the respective apexes at a point on the bearing . Kits with specially designed seals to keep water and dirt out and grease in. Package includes: 1 Set Bearings