Traxxas Ball Bearings Black Rubber Sealed 12x21x5mm 2 Pieces TRX5101A

Overview

The Traxxas Ball bearings, Black rubber sealed (12x21x5mm) (2 pcs) TRX5101A are precision engineering components designed for RC enthusiasts across the UK who demand the highest level of performance and durability from their remote control vehicles. These rubber-sealed ball bearings represent a significant step up from standard blue-seal bearings, offering superior protection and reduced maintenance requirements, particularly in challenging off-road environments. Whether you're running a high-performance brushless RC car, a competitive race buggy, or enjoying weekend bashing sessions, these bearings deliver the smooth, long-lasting operation that serious hobbyists expect from genuine Traxxas components.

Built to exacting standards by Traxxas, a manufacturer renowned for quality and reliability in the RC hobby, these 12x21x5mm bearings are engineered to provide the ultimate sealing protection without compromising on performance. The black rubber seals are tighter and more effective than their blue-seal counterparts, making them an excellent choice for driving in dirty, muddy, or sandy environments where contamination poses a constant threat to bearing longevity. For UK RC enthusiasts who want to minimise downtime, reduce maintenance intervals, and keep their vehicles running at peak efficiency, these black-seal bearings are an investment in reliability and performance that will pay dividends across your RC collection.

This pack contains two precision ball bearings, providing the perfect replacement or upgrade solution for compatible Traxxas vehicles including the Maxx Slash 1/8 4WD brushless short course truck, the Funco Motorsports Pro Scale sand car, and the WideMaxx monster truck range. If you're serious about maintaining your RC car UK setup to the highest standards, or if you're looking to upgrade your existing bearings for improved durability in harsh conditions, the Traxxas black rubber sealed bearings are an essential component that delivers genuine performance benefits.

Key Features

• Black Rubber Seals — These enhanced seals provide an even tighter, more comprehensive barrier against dirt, dust, sand and moisture compared to standard blue-seal bearings, which is crucial for maintaining bearing performance and extending service life when racing or bashing in outdoor environments across the UK.
• Superior Environmental Protection — The advanced sealing design offers ultimate protection in dirty environments, meaning your RC vehicle will maintain consistent performance even when driven through challenging terrain, mud, water crossings, and sandy conditions without requiring frequent bearing replacement or intensive cleaning.
• Reduced Maintenance Requirements — By providing a tighter seal that keeps contaminants out more effectively, these bearings require less frequent maintenance compared to unsealed or blue-sealed alternatives, saving you time and money over the lifetime of your RC car UK hobby investment.
• Smooth and Precise Operation — Rubber-sealed ball bearings deliver the smooth, long-lasting and precise driving characteristics that competitive RC enthusiasts demand, ensuring your vehicle responds accurately to throttle and steering inputs without binding or resistance caused by contaminated bearings.
• Genuine Traxxas Quality — Manufactured to Traxxas specifications using precision engineering techniques, these bearings are built to the same exacting standards as every other component in your Traxxas RC vehicle, ensuring perfect fitment and reliable performance.
• Pack of Two Bearings — This convenient two-piece pack allows you to replace bearings on multiple suspension points or maintain spare bearings ready for the track or trail, ensuring you're never caught short during an important race or bashing session.

Technical Performance

The Traxxas TRX5101A ball bearings are manufactured to precise dimensional tolerances of 12x21x5mm, ensuring they fit perfectly into the suspension and drivetrain components of compatible Traxxas vehicles. The engineering behind these bearings focuses on delivering smooth rotational performance with minimal friction, which translates directly to improved handling, faster acceleration response, and better overall vehicle control on the track or trail. The black rubber seals represent a significant advancement in bearing technology for RC applications, creating a barrier that effectively prevents dirt ingress while maintaining the smooth operation essential for competitive performance. The quality of the ball races and rolling elements within these bearings ensures consistent performance throughout their service life, with the sealing design extending that service life significantly compared to unsealed bearings. For anyone running a brushless RC short course truck, monster truck, or sand car in the UK, these bearings will maintain their performance characteristics even after extended exposure to harsh environmental conditions, making them an ideal choice for reliable, low-maintenance operation.

What's in the Box

• 2 x Ball bearings, black rubber sealed (12x21x5mm)

Frequently Asked Questions

• Are black rubber sealed bearings better than blue sealed bearings for RC cars? — Yes, absolutely. Black rubber sealed bearings offer an even tighter seal than blue-seal bearings, providing superior protection against dirt, dust and moisture. This makes them especially valuable for RC enthusiasts in the UK who drive in challenging environments, as the enhanced sealing means less maintenance and longer bearing life before replacement becomes necessary.
• What Traxxas vehicles are these bearings compatible with? — The TRX5101A bearings are compatible with multiple Traxxas models including the Maxx Slash 1/8 4WD brushless short course truck (available in red, green, rock n roll and blue colour options), the Funco Motorsports Pro Scale 8S 2WD electric sand car (red, blue, orange and green variants), and the WideMaxx monster truck range (red, rock n roll and green versions).
• How often do I need to replace these bearings? — With the superior black rubber sealing design, these bearings will last considerably longer than unsealed alternatives, especially when used in dirty environments. Regular inspection is recommended, and replacement becomes necessary when you notice any grinding sensation, roughness, or excessive play in the bearing. The tight sealing design means you can extend intervals between replacements compared to lesser quality bearings.
• Will these bearings fit my RC vehicle? — The 12x21x5mm dimensions are specific to certain Traxxas models. Before purchasing, verify that your vehicle is listed in the compatible models section. If you're unsure whether these bearings are correct for your specific RC car UK setup, contact our knowledgeable team at RC Model Shop who can confirm compatibility and recommend alternatives if needed.
• Do I need any tools to replace these bearings? — Bearing replacement typically requires basic RC maintenance tools including a small bearing puller or removal tool specific to your vehicle model, along with standard screwdrivers and hex keys. The exact tools needed depend on your specific Traxxas model, so consult your vehicle manual for detailed installation instructions.
• How do black rubber sealed bearings perform compared to unsealed bearings? — Sealed bearings perform with less friction and contamination than unsealed varieties, resulting in smoother operation and better longevity. In the context of dirty, muddy or sandy driving conditions common in UK RC hobby environments, sealed bearings maintain consistent performance far longer than unsealed bearings, which would quickly become clogged with contamination.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Traxxas Ball bearings, Black rubber sealed (12x21x5mm) (2 pcs) TRX5101A today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.