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Greetings. My 870 has a 6203 pilot bearing which has a bore of 0.669 inches, or 17 mm. The shaft that goes into that bearing measures 0.664. Zero.005 is a lot of slop. Can one tell me if my shaft is in spec.? I am aware it cannot be a wring or press fit. Thanks, Jim.

Greetings, I need to replace the traction clutch disc on my JD 870 tractor. Can someone who has used an aftermarket clutch disc comment on its quality and perhaps recommend a source? Thanks, Jim