MarkScott
Well-Known Member
- Joined
- Oct 5, 2014
- Messages
- 3,087
Putting new bearings in one of my Mac .21 OB. Ran into a concern with the large crank bearing. The bearing that was to be used was in a packaged marked as a 6901. Is this the correct bearing to use? The new bearing has the proper O.D. but the I.D. is to small.