... bear heavy loads. Deep groove ball bearings installed in the shaft,the axial clearance in the bearing within the shaft or housing limit the axial ... , tractors, machine tools motors, pumus,agricultural machinery, textile machinery, ect. deep groove ball bearing Brand MaterialGCr15SiMn, GCr15, G20Cr2Ni4ACertificateISO9001:2008PrecisionP0, P6, P5, P4, P2ClearanceC1,C2 ...