O.S. Engine OS40630000 Crankshaft Ball Bearing R FS-62V 12x28x8mm  [OS40630000]

Crankshaft Ball Bearing for FS-62V

This O.S. Engine crankshaft ball bearing is an RC-scale replacement part specified in the product name for use with FS-62V engine crankshafts. The component functions as a radial support bearing for the crankshaft, helping maintain alignment and reduce friction within the engine assembly during operation.

Fitment is focused on FS-62V crankshaft applications as indicated by the original part title. When servicing an RC glow engine, confirm the bearing bore and outer diameter match the crankshaft housing before installation to ensure correct seating and preload characteristics.

Installation notes: keep mating surfaces clean, remove old grease and debris, and press the bearing squarely into the crankcase or hub using a suitable drift that contacts only the outer race to avoid damage. Avoid striking the inner race or the balls directly. For light lubrication and break-in, use a lubricant recommended for small RC engines; do not overfill the crankcase as excessive lubricant can affect engine performance.

Tuning and maintenance role: replacing a worn crankshaft bearing can restore smooth crank rotation, reduce end-play, and stabilize idle and throttle response. Inspect bearings during routine engine rebuilds and replace if you detect roughness, excessive play, or corrosion.