Frequently Asked Questions
For over 15 years, FastEddy Bearings hasspecialized in:
- Complete RC bearing kits by
vehicle model. Over 8000 different full kits available for same day shipping - Individual Precision miniature ball bearings.
- High-performance upgrade options
- Competitive pricing
- Reliable customer support
Whether you're a weekend basher or competitive racer, upgrading your RC
car bearings improves durability, efficiency, and drivetrain performance.
New bearings may feel slightly tight due to:
- Factory lubrication
- Seal drag
- Tight tolerances
After a few battery packs, bearings will typically free up slightly.
Worn bearings can cause:
- Overheated motors
- Premature ESC failure
- Stripped gears
- Bent axles
- Reduced run time
Replacing worn bearings is far less expensive than replacing motors or
transmissions.
Chrome Steel Bearings:
- Stronger under high load
- Ideal for high-power brushless
systems
Stainless Steel Bearings:
- More corrosion resistant
- Better for wet environments
Most performance applications benefit from chrome steel bearings with
proper maintenance.
ABEC ratings measure manufacturing tolerances — not durability.
For RC applications:
- ABEC 3 or 5 is more than
sufficient - Higher ABEC does not
automatically mean stronger - Seal quality and materials matter
more
FastEddy Bearings are engineered for RC durability, not just lab
tolerances.
Common causes include:
- Dirt or sand contamination
- Water exposure without cleaning
- Over-tightened wheel nuts
- Bent axles
- Impact
- High-powered brushless setups
Upgrading to high-quality sealed bearings significantly reduces repeat
failures.
Proper maintenance extends bearing life and performance.
Basic RC Bearing Maintenance Steps:
- Remove bearing from vehicle
- Carefully remove rubber seals
- Clean with bearing cleaner or
denatured alcohol - Allow to dry completely
- Apply light bearing oil
- Reinstall seals
For high RPM applications (wheels), use light oil.
For heavy load areas (diff outputs), light grease may be preferred.
Bearing life depends on:
- Driving conditions (dirt, sand,
water) - Maintenance frequency
- Power system (brushed vs
brushless) - Vehicle weight and gearing
With proper maintenance, FastEddy Bearings can last multiple seasons.
Running in water or fine sand without cleaning will shorten lifespan
significantly.
Rubber Sealed Bearings (2RS):
- Maximum dirt and moisture
protection - Ideal for off-road RC cars
- Slightly higher rolling
resistance
Metal Shielded Bearings (ZZ):
- Lower friction
- Best for clean on-road racing
- Less contamination protection
For most RC hobbyists, rubber sealed bearings are the best all-around
choice.
The best bearings for RC cars are high-quality, precision
rubber-sealed ball bearings designed specifically for RC applications.
At FastEddy Bearings, we recommend:
- .Rubber Sealed Bearings (2RS)
for off-road, dirt, and wet conditions - Precision chrome steel
construction - High-quality internal lubrication
- Application-specific kits for
exact vehicle fitment
Rubber sealed bearings provide the best balance of durability,
protection, and performance
Most RTR (Ready-To-Run) RC vehicles and kits come with economy-grade bearings.
FastEddy Bearings are engineered to provide:
- Longer lifespan
- Smoother drivetrain operation
- Better contamination protection
- Improved reliability under
high-power brushless systems
Upgrading your stock RC bearings reduces wear on gears, motors, and ESCs.
Ceramic bearings reduce rolling resistance and handle high RPM extremely well.
However:
- Speed gains are most noticeable
in competitive racing - For bashing and general hobby
use high-quality steel bearings that perform exceptionally well - Ceramic bearings require a cleaner
operating conditions
FastEddy offers both steel and ceramic hybrid options, depending on your
performance goals.