100962X Oregon chainsaw saw sprocket 3/8 pitch
The 100962X Oregon chainsaw saw sprocket with a 3/8 pitch is compatible with Stihl models 017, 018, 019, 021, and 023. It also fits Stihl models 017, 018, 019, 021, 023, 025, MS170, MS171, MS180C, MS181C, MS210, MS211, MS211C, MS230, and MS250.
Check bar or sprocket for info to confirm if you have 3/8 pitch like this sprocket.
3/8 pitch 6 (91) tooth crank shaft diameter is 0.3937
Part# for bearing is 37325