Suitable for the crankshaft bearing of the STIHL MS260 chainsaw, part number 9523 003 4260. Chainsaw accessory

This product has the STIHL part number [missing part number]. 9523 003 4260. Original factory specifications: Crankshaft bearing (main bearing). Specifically designed for the MS260 series chainsaws. This bearing is an important support element for the crankshaft, a central moving part of the engine, and is usually mounted in pairs in the main bearing housings on either side of the crankcase. It ensures… It allows the crankshaft to rotate smoothly at high speeds and withstands the periodic shocks of the connecting rod. It is essential to replace the original bearing with a genuine STIHL bearing if it is worn, has excessive play, makes unusual noises, or if the cage is damaged due to prolonged use, lack of lubrication, or the ingress of contaminants. Addressing basic mechanical problems such as increased engine noise, heightened operating vibrations, unusual crankshaft runout, and even unstable power delivery is crucial. These important maintenance steps are essential for engine rebuilding.