Ball Bearing Test Rig Tribology Lab Specifications: Bearing Mounting Fixture ? Consist of a set of bearing races for bearings from 6201 to 6204 with parallelogram loading attachment. Drive motor ? ? HP, 6000 rpm DC motor Lever and spring balance for applying the load, maximum loading capacity 10000N Electronic revolution counter with digital indicator. Torque arm with dead weights for measurement of friction torque Fixture for measuring bearing radial clearance Qty :