spark resistance for hazardous areas crankshafts are constructed from high tensile ... offering unmatched service life bearings are large capacity tapered roller ... bearings offering maximum load bearing support at each end of the crankshaft ... special bearings can be fitted for high stress ... lubrication driven directly by the crankshaft of the pump in the latter case pressure ... oil is supplied to big and small end bearings with splash to all other moving parts ...