- Product Type: Ball Bearing, Rubber Sealed
- Brand: Losi
- Model Number: Z-LOS267002
- EAN: 0605482171394
- Inner Diameter: 7mm
- Outer Diameter: 14mm
- Width: 5mm
- Sealing Type: Rubber Sealed
- Pack Configuration: Pair of Bearings (2 pieces)
- Compatible with Losi 1/4 Promoto-MX Motorcycle RTR with Battery and Charger, Pro Circuit (C-LOS06002)
- Compatible with Losi 1/4 Promoto-MX Motorcycle RTR - Club MX Blue (C-LOS06000T2)
- Compatible with Losi 1/4 Promoto-MX Motorcycle RTR - FXR Red (C-LOS06000T1)
- Compatible with Losi 1/4 Promoto-SM FXR Supermoto Motorcycle RTR Basic (C-LOS-2272)
- Compatible with Losi 1/4 Promoto-SM FXR Supermoto Motorcycle RTR with Battery and Charger Included (C-LOS-2310)
Overview
The Losi 7 x 14 x 5mm Ball Bearing, Rubber Sealed (2) Z-LOS267002 is an essential spare part for owners of Losi 1/4 scale Promoto-MX and Promoto-SM motorcycle RC models. These precision ball bearings are engineered to provide smooth, reliable performance in the demanding environments that RC enthusiasts encounter, whether you're racing competitively or enjoying casual bashing sessions. As an authorised Losi dealer, RC Model Shop stocks genuine OEM components to keep your RC bike running at peak performance.
Ball bearings are critical components in any RC vehicle, responsible for reducing friction in rotating assemblies and ensuring smooth operation of drivetrain components. The rubber sealing on these Losi bearings provides effective protection against dust, dirt and moisture ingress, which is particularly important for maintaining long-term reliability in outdoor RC racing and recreational use. Whether you're replacing worn bearings or building a complete RC motorcycle from scratch, these genuine Losi OEM parts ensure compatibility and performance consistency with your model.
For RC enthusiasts across the UK looking for quality spare parts for their Losi Promoto-MX or Promoto-SM RC motorcycles, these rubber-sealed ball bearings represent genuine OEM quality at an affordable price point. Keeping spare bearings on hand is a smart maintenance practice for any serious RC car or motorcycle driver, ensuring you can quickly replace worn components and get back to racing without extended downtime.
Key Features
- Rubber Sealed Design — The rubber sealing provides essential protection against dust, dirt and moisture, extending bearing lifespan and maintaining smooth operation even in challenging outdoor conditions typical of UK RC racing venues.
- Precision Ball Bearing Construction — These are genuine ball bearings with precisely manufactured steel balls that roll within the bearing races, providing minimal friction and ensuring smooth rotation of critical drivetrain components.
- 7 x 14 x 5mm Dimensions — The specific size of 7mm inner diameter, 14mm outer diameter and 5mm width is engineered to fit perfectly in the drivetrain assemblies of Losi Promoto-MX and Promoto-SM RC motorcycles, ensuring exact fitment without modification.
- Pair of Two Bearings — This pack includes two bearings, typically replacing both sides of a component assembly, making this the perfect quantity for standard replacement or maintenance schedules on Losi RC motorcycles.
- Genuine Losi OEM Component — These are authentic original equipment manufacturer parts from Losi, guaranteeing quality, durability and perfect compatibility with your RC motorcycle model without any fitment concerns.
- Essential Spare Part — Ball bearings wear over time with regular use, and keeping replacements on hand ensures you can maintain your RC motorcycle's performance and avoid extended periods without being able to use your model.
Technical Performance
The Losi 7 x 14 x 5mm Ball Bearing with rubber sealing represents precision engineering specifically designed for the demands of 1/4 scale RC motorcycle racing and recreational use. The 7mm inner bore diameter fits precisely within the drivetrain shafts of compatible Losi models, whilst the 14mm outer diameter provides adequate load distribution for sustained RC operation. The 5mm width ensures these bearings occupy the correct space within the vehicle's mechanical assemblies, maintaining proper component spacing and alignment throughout the drivetrain. The rubber sealing provides a balance between durability and ease of maintenance, offering genuine weather resistance whilst remaining accessible for future servicing. These bearings are engineered to rotate smoothly under the high-speed operation typical of RC motorcycles, reducing friction losses and enabling efficient power transmission from motor to wheels. The steel ball construction combined with precision races ensures consistent rotational characteristics throughout the bearing's lifespan, supporting the performance standards expected in both competitive RC racing environments and casual bashing sessions.
What's in the Box
- Losi 7 x 14 x 5mm Ball Bearing, Rubber Sealed x 2
Compatible Models
- Losi 1/4 Promoto-MX Motorcycle RTR with Battery and Charger, Pro Circuit (C-LOS06002)
- Losi 1/4 Promoto-MX Motorcycle RTR - Club MX in Blue (C-LOS06000T2)
- Losi 1/4 Promoto-MX Motorcycle RTR - FXR in Red (C-LOS06000T1)
- Losi 1/4 Promoto-SM FXR Supermoto Motorcycle RTR Basic (C-LOS-2272)
- Losi 1/4 Promoto-SM FXR Supermoto Motorcycle RTR with Battery and Charger Included (C-LOS-2310)
Frequently Asked Questions
- What is a ball bearing and why do I need replacement bearings for my RC motorcycle? — Ball bearings are precision components that enable smooth rotation of drivetrain shafts and components within your RC vehicle. Over time, with repeated use and exposure to dust and moisture, bearings wear and develop play or roughness, which reduces performance and efficiency. Replacing worn bearings restores smooth operation, reduces noise and vibration, and ensures your RC motorcycle performs as designed. These Losi 7 x 14 x 5mm bearings are the exact replacement parts specified for Losi Promoto-MX and Promoto-SM models.
- Are these bearings suitable for beginners to install? — Bearing replacement is an intermediate maintenance task that requires some mechanical knowledge and proper tools. Beginners may find bearing installation challenging without prior experience, but with a workshop manual and basic tools, it is achievable. Many UK RC shops and clubs offer maintenance support if you prefer professional installation, ensuring your bearings are fitted correctly for optimal performance.
- How often should I replace the bearings in my Losi Promoto motorcycle? — Bearing replacement frequency depends on usage intensity, environmental conditions and maintenance practices. Regular cleaning and light maintenance can extend bearing lifespan significantly. As a general guide, inspect your bearings regularly for smoothness and play; if you notice grinding, roughness or excessive rotation resistance, it's time to replace them with these genuine Losi bearings.
- What makes rubber-sealed bearings different from other bearing types? — Rubber-sealed bearings include sealing surfaces that prevent dust, dirt and moisture from entering the bearing, which extends lifespan and maintains smooth operation in outdoor RC racing conditions. This sealing design balances protection with maintenance accessibility, making them ideal for RC vehicles used in varied UK weather conditions.
- Are these genuine Losi parts or aftermarket alternatives? — These are genuine OEM Losi parts, manufactured to the exact specifications required for your Promoto-MX or Promoto-SM RC motorcycle. Genuine parts ensure perfect fitment, consistent quality and compatibility with your model, whereas aftermarket alternatives may have variable quality and fitment. Choosing genuine Losi bearings guarantees you're getting quality components engineered specifically for your RC motorcycle.
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 LOS 7 x 14 x 5mm Ball Bearing, Rubber Sealed (2) Z-LOS267002 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.
We want to make sure your delivery goes smoothly, so here are some important details about our service:
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