4x11x4mm Yokomo BB-1140P Pure Evolution SPEC Racing Motor Bearing  [BB-1140P]

Yokomo BB-1140P Pure Evolution SPEC Racing Motor Bearing (4x11x4mm)
Price:
NZD$7.37
Brand:
Yokomo
Model:
BB-1140P
GTIN:
11
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R/C motor bearing specification (4x11x4mm)

This product is a 4x11x4mm metal racing motor bearing designed for electric R/C motors. The BB-1140P in Yokomo's Pure Evolution range is supplied as a drop-in sized bearing for motors accepting the 4x11x4mm standard, helping to lower friction and stabilise the motor shaft during high-speed operation.

Installation notes: double-check that the bearing inner and outer dimensions correspond to your motor housing and shaft before starting. Fit the bearing squarely and keep alignment between shaft and endbell to prevent shaft scoring or misseating. After fitting, rotate the rotor to ensure there is no wobble or binding.

Tuning and maintenance: as a low-friction support, this bearing can influence running temperature and lifespan under load. Inspect periodically for roughness or axial play and replace any worn bearings. Keep bearings protected from water and abrasive particles to maintain service life.
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

How long will the BB-1140P last under hard running?

Service life depends on load, contamination, and maintenance. With clean conditions and regular checks, the BB-1140P should offer consistent performance, but replace bearings if roughness or play appears.

Can these bearings handle wet or dusty tracks?

Avoid exposing bearings to moisture and fine grit. If run in wet or dirty conditions, clean and inspect the bearings soon after to prevent accelerated wear and corrosion.

When is replacement recommended?

Replace bearings that show noise, increased friction, axial or radial play, or discoloration from overheating. Regular inspections will help you catch wear before it affects performance.

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