19117 Oregon chainsaw saw sprocket clutch drum .325 pitch
Frawleys Saw Shop - loggerchain.net
The Oregon Chainsaw Sprocket 19117 is specially designed to fit Husqvarna 39, 44,140, 240, 340, 444 saws. This sprocket system features a Clutch cup with splined hub and a free-floating rim, with the rim being the only component that makes contact with the saw chain. This popular rim-type system is known for its exceptional performance and long-lasting durability. Suitable for a variety of chainsaw applications, this sprocket system does not come with a bearing.
.325 pitch 7 tooth crankshaft diameter is 0.4375
Part# for additional rim is 11892
Part# for bearing is 105761