XRAY 931218 Steel Sealed Ball Bearings 12x18x4 (2) - Oil  [XR-931218]

High-Precision Bearings for Smooth Runs

The XRAY 931218 ball-bearing set is made for builders who expect dependable operation from their RC gear. Sized at 12x18x4mm, these bearings deliver consistent rolling performance to keep drivetrains turning freely under load.

Sealed Steel Build with Low Friction

Built from quality steel and sealed to block dust and grit, these bearings are lightly oiled with AeroShell Fluid 12 to reduce friction and extend service intervals. The sealed design helps preserve bearing life even in frequent use.

Fitment and Typical Applications

The XRAY 931218 bearings suit many RC platforms that accept 12x18x4mm components, including common models such as the RX8. They are a practical choice for routine replacement or targeted upgrades to improve drivetrain feel.