If you are focused on cleaner performance, the XRAY 941015 High-Speed Ball Bearings are a straightforward upgrade for serious RC hobbyists. Built for accuracy and longevity, these sealed bearings help keep drivetrain parts running smoothly under repeated use.
The XRAY 10x15x4 ball bearings are manufactured to match common RC fitments with a 10mm inner diameter, 15mm outer diameter, and 4mm width. Rubber sealing helps keep grit and moisture out while retaining the lubrication from AeroShell Fluid 12 oil, which lowers rolling resistance and extends service intervals.
These bearings are constructed with a higher ball count and larger balls inside the cage to improve load handling during aggressive runs. The side covers are removable for quick cleaning and relubrication, making routine upkeep fast and user friendly.
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