TM 9-2320-209-34-2-3 Table 18-9. Rear Winch(Cable Level Winder Assembly)Wear Limits Size and Fit Index of New Parts Wear Limit Number Item/Point of Measurement (inches) (inches) 1 Outside diameter of vertical roller 0.495 to 0.499 0.485 to 0.489 shaft 1 and 2 Fit of bearing on shaft 0.003L to 0.007L None 2 Inside diameter of vertical roller 0.502 to 0.512 0.512 bushing-type bearing 3 Outside diameter of cross-chain 1.245 to 1.247 1.235 to 1.237 sprocket shaft 3 and 4 Fit of bearing on sprocket shaft 0.003L to 0.007L None 4 Inside diameter of cross chain 1.250 to 1.252 1.260 to 1.262 bracket bushing-type bearing 5 Outside diameter of cross chain 1.245 to 1.247 1.235 to 1.237 sprocket shaft 5 and 6 Fit of bearing on sprocket shaft 0.003L to 0.007L None 6 Inside diameter of cross chain 1.250 to 1.252 1.260 to 1.262 bracket bushing-type bearing 18-105