3RACING 3RB-MR85-ZZ/2 Double Metal Shield Racing Bearings 5x8x2.5mm (2 pcs)  [3RB-MR85-ZZ/2]

Racing-Grade Double Metal Shield Bearings from 3RACING

For competitive setups the 3RACING Double Metal Shield Bearing 5x8x2.5 mm provides consistent, low-drag rotation while offering metal-shield protection against contaminants. These bearings suit racers looking to maintain steady drivetrain response under load.

Shielded Design for Track Durability

Double metal shields reduce particle ingress and help keep lubricant in place, which lowers friction and helps bearings retain steady rpm under acceleration. That makes them useful when tuning for smoother throttle transitions.

Standard Sizing for Setup Flexibility

The 5x8x2.5 mm form factor supports common hub and gearbox fittings, making these bearings practical for quick replacements and setup adjustments during race preparation.

Service Notes for Tuners

When installing, ensure bearings are pressed on the outer race to avoid inner-race preload. Regular inspections, light lubrication with thin bearing oil, and checking shaft runout will preserve low friction and consistent lap times.