S3A

Tolerances

Part Inches Millimeters
Min. Max. Min. Max.

Bearing housing

Piston ring bore diameter ( komatsu ) 0,9840 0,9844 24,9940 25,0040
Piston ring bore diameter ( all others ) 1,0000 1,0004 25,4000 25,4100
Bearing bore diameter 0,7504 0,7508 19,0600 19,0700

Shaft and wheel

Journal diameter 0,4550 0,4555 11,5570 11,5700