35460X Chainsaw Sprocket fits Stihl 064, 066, MS 660, .404 pitch
Frawleys Saw Shop - loggerchain.net
35460X Oregon Chainsaw Sprocket
This fits Stihl 064, 066, 066 Magnum, MS 660 converts to .404 pitch
404 pitch 7 tooth. crank shaft diameter is 0.3937
Part# for additional rim is 22270
Part# for bearing is 37504
OREGON rim sprocket system. This sprocket system consists of two components: Clutch cup with splined hub, and a free-floating rim. It is only the rim that makes contact with your saw chain as it is driven around your guide bar. Rim-type sprocket systems are favored by those who want the ultimate in performance and durability. Available for most chain saws applications. This sprocket system does not come with bearing.