Oregon 34425X Sprocket System Husqvarna part # 640200145
SPROCKET PITCH: 3/8" TEETH: 7 SPROCKET RIM: 18720 (bearing does not come with sprocket but is available separately) SPROCKET BEARING: 11893 (bearing does not come with sprocket but is available separately) SPLINE: SM 7 (Small 7 Spline) Fits Husqvarna 50, 51, 55, 55 Rancher, 154, 254, (before S/N 345-0001), 262 (before S/N 345-0001) Fits Partner P5100 The Power Mate Rim Sprocket System is the most effective way to drive saw chain on most chainsaws. The Power Mate Rim Sprocket System includes a clutch cup with spline and a replaceable rim sprocket. The rim floats freely on the spline, maximizing the saw chain-bar groove alignment. The rim is designed to be replaced, maximizing operational life and reducing overall operating costs. Note: All rim sprockets have two sets of teeth
