ARA610038
15x21x4mm Ball Bearing (2)
Arrma 15x21x4mm Ball Bearing (2)
- Premium ball-raced bearings for ultra-smooth operation in all conditions
- Precision manufactured for fast and easy fit and consistent servicing
- Manufactured to consistent tolerance for safe and secure assembly
- High-quality rubber shields for enhanced protection against the elements
- Keeping dirt, water, and dust out, and lubrication in, means more time bashing and less time wrenching
- (2) Ball Bearing 15x21x4mm
- Arrma Big Rock 6S BLX
- Arrma Felony 6S BLX
- Arrma Fireteam 6S BLX
- Arrma Granite 4x4 Mega
- Arrma Infraction V2 6S BLX
- Arrma Mojave 6S BLX
- Arrma Typhon 4X4 550
- Arrma Typhon 6S BLX
- Arrma Vorteks 3S BLX
Pairs well with
Easy to use for beginners
Durable build for long-lasting fun
Quick recharge and extended range for all-day play
Perfect for pools, lakes, and calm rivers
15x21x4mm Ball Bearing (2)
Product details
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Use collapsible tabs for more detailed information that will help customers make a purchasing decision.
Ex: Shipping and return policies, size guides, and other common questions.
Engineered for Speed. Built for Control.
Our RC vehicles and parts are crafted with cutting-edge tech and tested for durability. From high-speed drones to rugged RC cars and boats, every product delivers serious fun and unmatched reliability.
Performance You Can Trust
Join thousands of RC enthusiasts who count on ParkFlyers for top-tier quality, responsive customer support, and an unbeatable collection of parts and models.
Got Questions? We've Got Answers
What types of RC vehicles do you sell?
We offer a wide range of RC vehicles including airplanes, drones, helicopters, cars, trucks, boats, and a full selection of parts and upgrades for each.
Are your products ready to run (RTR) or require assembly?
Most of our models are RTR (Ready to Run) or RTF (Ready to Fly), meaning they include everything you need out of the box. Some kits may require minimal assembly—check the product description for details.
Do you offer replacement parts?
Yes! We stock replacement parts for most models we sell. If you’re not sure which part you need, contact our support team and we’ll help you find the right match.
How long does shipping take?
Orders typically ship within 1–2 business days. Delivery time depends on your location, but most customers in the U.S. receive their orders within 3–7 business days.
Do you ship internationally?
At the moment, we primarily ship within the U.S., but international shipping is available on select items. Please contact us for a custom quote.
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