Fits the Following Chainsaws
Stihl 029, 034, 036, 039 MS290, MS310, MS340, MS360, MS390
Replaces Part Number 1125 007 1002, 1125 007 1041, 1125 007 1000
Fits Crankshaft Diameter .3937 (10mm)
Drive Sprocket Bearing ORF 37325 (10 x 13 x 10)
Rim Spline Size Small 7 Tooth (RSS)