Yamaha YFM250 Moto 4 Quad Bike Front Wheel Bearing Kit Year 1990 for model 3GH4 020 D

1 x bearing manufactured by Koyo who are one of the largest premium bearing manufacturers in the world. The Yamaha part number for the bearings is 93306-00444-00 and the bearing dimensions are 20mm inside diameter x 42mm outside diameter x 12mm wide. They come with rubber bearing seals integrated into the bearings to help keep the grease in the bearings and dirt and contaminents out.

1 x bearing also manufactured by Koyo. The Yamaha part number for the bearings is 93306-20204-00 and the bearing dimensions are 15mm inside diameter x 35mm outside diameter x 11mm wide. This bearing has metal shields which helps to keep the grease within the bearing.

2 x Oil Seals manufactured from NBR material and with a secondary wiper lip which acts as an additional barrier to prevent dirt and contaminants from reaching the bearing. The Yamaha part number for the oil seals is 93102-22216-00 and the dimensions of the seals are 22mm inside diameter x 35mm outside diameter x 7mm wide.