K31

Tolerances

Part Inches Millimeters
Min. Max. Min. Max.

Back plate

Piston ring bore diameter 0,6300 0,6304 16,0020 16,0120

Bearing housing

Piston ring bore diameter 0,7600 0,7604 19,3040 19,3140

Shaft and wheel

Piston ring groove width 0,1110 0,1130 2,8200 2,8700
Journal diameter 0,4709 0,4713 11,9610 11,9710

Thrusth spacer

Piston ring groove width 0,0654 0,0673 1,6600 1,7100