The STIHL 42247913903 Ball Bearing is a genuine OEM replacement part designed for optimal performance in a range of STIHL equipment. This high-quality ball bearing ensures smooth rotation and reduces friction, contributing to the longevity and efficient operation of your machinery. Manufactured to STIHL's exacting standards, it provides a precise fit and reliable function for critical engine and drive components in models such as the TS 400, TS 410, TS 420, TS 500i, TS 700, and TS 800 cut-off saws.