... to M6 The bearings are fitted tightly on the shaft due to the high load, which is sometimes of the shock type. Thisreduces the danger of fretting corrosion, particularly at the drive end. Bearing ... clearanceDue to the tight fits, the inner ring of the bearing is expanded and the outer ring with the roller-and-cageassembly is contracted. Thus the radial clearance of the bearing is reduced ... eliminated. Bearing dimensioning The calculation of the bearings for this motor differssomewhat from the usual approach. As not even the motor manufacturer knows the amount of load at the shaft end, the...