3Racing 3RB-MR74-ZZ/2 4x7x2.5mm Double Metal Shield Bearings - Service Grade  [3RB-MR74-ZZ/2]

Reliable rotation with 3Racing 3RB-MR74-ZZ/2

For hobbyists aiming to keep their rigs running smoothly, the 3Racing 3RB-MR74-ZZ/2 double metal shield bearings provide dependable, low-friction operation. Sized at 4x7x2.5mm, these bearings are suited to common shafts and hubs used across many RC platforms and help maintain consistent drivetrain performance during routine maintenance or an upgrade.

Metal shields for longer uptime

Produced by 3Racing, the metal shield on each bearing helps block dust and small debris while still allowing free spin. That shielded construction reduces contamination risk and means less cleaning during regular use.

Broad compatibility for workshop spares

These double metal shield bearings are a practical spare for many electric and nitro models. Their standard dimensions make them a go-to replacement when refreshing wheel hubs, gearboxes, or motor mounts.