ARRMA Sealed Bearing 9x14x4.5mm 2 Pack Z-ARA610057

• Product Type: Sealed Bearing
• Bearing Dimensions: 9x14x4.5mm
• Quantity: 2 bearings per pack
• Manufacturer: ARRMA
• Part Number: Z-ARA610057
• EAN: 5052127052177
• Compatible With: ARRMA 1/16 Mini Kraton 3S (all variants)
• Compatible Model C-ARA2508ST1: ARRMA 1/16 Mini Kraton 3S (Battery and Charger Included) Blue
• Compatible Model C-ARA2508T1: ARRMA 1/16 Mini Kraton 3S Red
• Compatible Model C-ARA2508ST2: ARRMA 1/16 Mini Kraton 3S (Battery and Charger Included) Teal
• Bearing Type: Sealed construction
• Inner Diameter: 9mm
• Outer Diameter: 14mm
• Width: 4.5mm

Overview

The ARRMA Sealed Bearing 9x14x4.5 (2) Z-ARA610057 is an essential replacement and upgrade component for RC enthusiasts maintaining their ARRMA mini RC cars. These precision sealed bearings are engineered to deliver reliable performance in demanding RC environments, whether you're a weekend basher enjoying recreational driving or a serious hobbyist pushing your mini RC truck to its limits. Sealed bearings offer superior protection against dirt, dust and moisture compared to standard open bearings, making them an ideal choice for outdoor RC car adventures across the UK.

If you own an ARRMA 1/16 Mini Kraton 3S—one of the most popular mini RC trucks on the market—these sealed bearings are a direct fit replacement that will keep your model running smoothly through countless hours of driving. Whether you're experiencing wear on your existing bearings or simply want to upgrade to sealed versions for better longevity and performance, this two-pack gives you exactly what you need. The compact 9x14x4.5mm size is perfectly suited to mini-scale RC cars where space is at a premium but durability cannot be compromised.

RC Model Shop stocks genuine ARRMA spare parts and upgrades, giving you access to factory-authorised components that maintain the integrity of your RC vehicle. These sealed bearings represent a smart investment in the longevity of your mini RC car, protecting against the elements and reducing maintenance downtime so you can spend more time driving and enjoying your hobby.

Key Features

• Sealed Design — These bearings feature a sealed construction that provides complete protection against water, dirt, sand and other contaminants that can damage bearing internals and reduce performance. Sealed bearings are essential for RC cars that see regular outdoor use in varied weather conditions across the UK, as they dramatically extend bearing lifespan and maintain smooth operation even after wet or dusty driving sessions.
• Precision Fit for ARRMA 1/16 Mini Kraton 3S — The 9x14x4.5mm dimensions are engineered as a direct fit for ARRMA 1/16 Mini Kraton models, including the blue, red and teal variants with 3S battery capability. When you need replacement bearings or want to upgrade your mini RC truck with sealed components, this exact specification ensures perfect compatibility with zero modification required.
• Two-Pack Value — This pack contains two sealed bearings, providing a complete solution for both sides of an axle or multiple bearing points on your RC car. Having spare sealed bearings on hand means you can quickly swap out worn components and keep your mini RC truck running without the need to order additional parts.
• Genuine ARRMA Component — These are authentic ARRMA spare parts manufactured to factory specifications, ensuring the same quality and performance standards as the bearings fitted to your RC vehicle when it left the factory. Choosing genuine components over unbranded alternatives guarantees compatibility and reliability.
• Compact Mini-Scale Size — At 9x14x4.5mm, these bearings are sized perfectly for mini-scale RC vehicles where compact components are essential. Despite their small footprint, sealed bearings deliver the same protective benefits and durability as larger variants used in 1/10 and 1/8 scale RC cars.

Technical Performance

The ARRMA Sealed Bearing 9x14x4.5 represents the engineering philosophy behind modern mini-scale RC cars, where every component must balance lightweight construction with genuine durability. The 9mm inner diameter and 14mm outer diameter, combined with a 4.5mm width, create a bearing that fits precisely within the tight tolerances of ARRMA 1/16 scale vehicles. The sealed configuration means the bearing races and rolling elements are protected by integrated shields, preventing ingress of moisture and abrasive particles that are inevitable during outdoor RC driving in the UK's variable weather. This protective design is particularly important for mini-scale RC trucks, where bearing failure can be catastrophic to drivetrain performance and can cause handling issues that make the vehicle difficult to control. The precision manufacturing ensures low friction operation, meaning your Mini Kraton 3S RC truck maintains responsive handling and efficient power transfer from motor to wheels. When these sealed bearings are installed correctly, you'll notice smoother acceleration, more precise cornering, and overall more enjoyable driving characteristics compared to worn or open bearings. For owners of the ARRMA 1/16 Mini Kraton 3S—available in battery and charger included variants as well as base models—maintaining bearing condition is crucial to extracting maximum performance and longevity from the vehicle.

What's in the Box

• Sealed Bearing 9x14x4.5mm (x2)

Frequently Asked Questions

• What are sealed bearings and why do I need them for my RC car? — Sealed bearings are precision components with integrated shields that protect the internal races and rolling elements from water, dirt, sand and dust. If you drive your mini RC car outdoors in the UK, sealed bearings dramatically extend component lifespan by preventing moisture and abrasive particles from causing wear and corrosion. When your existing bearings start to feel rough or grinding, or if you simply want to upgrade for better durability, sealed variants like these ARRMA units offer significantly better protection than standard open bearings.
• Are these bearings compatible with all ARRMA mini RC cars? — These sealed bearings are specifically designed for the ARRMA 1/16 Mini Kraton 3S, fitting all colour variants including the blue model (C-ARA2508ST1), red version (C-ARA2508T1) and teal variant (C-ARA2508ST2). If you own any of these Mini Kraton models, these bearings are a direct fit. Always check your specific RC model number to confirm compatibility before purchasing, as different ARRMA vehicles may use different bearing sizes.
• How often should I replace sealed bearings on my RC car? — Sealed bearings last significantly longer than open bearings, especially if your mini RC truck is used regularly outdoors. Most sealed bearings need replacement only after extended use or if you notice grinding sounds, resistance when rotating wheels by hand, or reduced handling precision. Storage conditions and driving frequency affect bearing lifespan—regular maintenance and occasional inspection will help you identify when replacement is necessary.
• Can I install these sealed bearings myself? — Yes, bearing replacement is a straightforward maintenance task for most RC enthusiasts. You'll need a small bearing puller tool (available from RC shops) and possibly some light pressing force. Many RC Model Shop customers complete their own bearing changes at home, though if you're uncertain about the process, our experienced team in-store can advise on proper installation technique to ensure correct seating and alignment.
• What is the difference between sealed and open bearings for mini RC cars? — Open bearings lack protective shields, allowing water, dirt and sand to contaminate the bearing races and rolling elements, leading to premature wear and increased friction. Sealed bearings feature integrated protective covers that keep contaminants out while containing the bearing grease, dramatically extending service life and maintaining smooth operation. For RC cars driven outdoors in UK conditions, sealed bearings are the superior choice despite their slightly higher cost.

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 ARRMA Sealed Bearing 9x14x4.5 (2) Z-ARA610057 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:

• For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
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