This listing is for two wheel bearing kits. Suitable for all braked single axle Indespension Boat Trailers. Will fit Roller Coaster and Dipper Indespension Boat Trailers. This listing is for 2 wheel bearing kits. Includes; • 2 x Taper Roller Inner Bearing with Integral Seal 48548L - Size 65.09mm OD, 34.93mm ID. 18.03mm Width. • 2 x Taper Roller Outer Bearing 48548 - Size 65.09mm OD, 34.93mm ID. 18.03mm Width. • 4 x Bearing Races 48510. Top quality bearings made from high grade bearing steel for superior life and reliability.