The utility model relates to an automatic pulling type clutch separation bearing unit, which relates to a pulling type clutch separating bearing unit of a vehicle, a tractor and an engineering vehicle. Separating the bearing inner ring, the structure comprises a bearing outer ring width, engineering plastic holder, a steel ball, with a skeleton of the rubber sealing ring, lubricating grease, wave spring, an outer cover, a sleeve, a support ring, a barbed of the compression spring, the separate pull ring, a clamping hoop, a fixed ring; the outer ring of the bearing, the shaft of the bearing inner ring, engineering plastic holder, ball, with a skeleton of the rubber sealing ring, lubricating grease composition separated part of the bearing cover bearing, wave spring and the sleeve riveted together forms a bearing the main part, and a barbed pressing spring, a support ring and the separate pull ring, clamps, fixed rings and clutch diaphragm spring separate finger connecting part.