Oregon 108215X chainsaw saw sprocket .325 pitch for (Husqvarna) 350,353,445,450
This fits Husqvarna 340,340E,345,345E,346,346XP,350,351,353, 353E,357445,450E, 450 Rancher
Jonsered models CS-models 2141, 2145,2149,2150,2152,2153,2156,2159,2245,2250
.325 pitch 7 tooth crank shaft diameter is 0.5
Part# for additional rim is 11892
Part# for bearing is 11893
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.