CT12B

Tolerances
Part Inches Millimeters
Min. Max. Min. Max.

Back plate
Piston ring bore diameter 0,4331 0,4335 11,0010 11,0110

Bearing housing
Piston ring bore diameter 0,6060 0,6064 15,3920 15,4030
Bearing bore diameter 0,4720 0,4724 11,9890 12,0000

Shaft and wheel
Piston ring groove width 0,0646 0,0665 1,6400 1,6900
Journal diameter 0,2950 0,2953 7,4930 7,5000

Thrusth spacer
Piston ring groove width 0,0492 0,0512 1,2500 1,3000