A set of high quality SKF bearings, C3 fit. The set contains left and right crankshaft bearings and the corresponding shaft seals and O-rings. These crankshaft bearings are equally suited to racing or regular use. 1 roller bearing 25x62x12mm, 1 deep groove ball bearing 25x38x15mm, 1 shaft seal alternator side 24x35x6mm, 1 shaft seal clutch side 31x62x4.3/5.8mm.