- Brand: Blade
- Model number: Z-BLH1654
- Product type: Tail Drive Shaft Lower Bearing Block/Mount
- Compatible aircraft: Blade B450, Blade 330X, Blade 330S
- Component function: Provides bearing support and alignment for tail drive shaft
- Material: Aluminium construction
- Genuine factory component: Yes
- Direct replacement part: Yes
Overview
The BLH Tail Drive Shaft Lower Bearing Block/Mount is an essential replacement component designed for Blade RC helicopters, specifically engineered for the B450, 330X, and 330S model ranges. This precision-manufactured part plays a critical role in supporting and aligning the tail drive shaft assembly, ensuring smooth operation and reliable power transmission from the main rotor system to the tail rotor. Whether you're a dedicated RC helicopter enthusiast in the UK looking to maintain your aircraft or a pilot recovering from damage, this genuine Blade spare part offers the quality and fit you can depend on.
As a critical structural component in your helicopter's drivetrain, the tail drive shaft lower bearing block is subject to considerable stress during flight operations. Having a quality replacement on hand means you can return your aircraft to the air quickly without compromising safety or performance. This part is manufactured to original specifications, ensuring perfect compatibility with your Blade helicopter and maintaining the precision engineering that Blade RC helicopters are renowned for across the UK and worldwide.
RC Model Shop stocks genuine Blade spares and components to support pilots at every level, from beginners discovering RC helicopter flight to experienced aerobatic flyers pushing their aircraft to the limits. We understand that RC helicopters require dedicated maintenance and the occasional replacement part, and we're committed to providing authentic, factory-backed components that keep your investment flying smoothly for years to come.
Key Features
- Genuine Blade Component — This is an authentic factory Blade part manufactured to the exact original specifications, ensuring perfect fitment and long-term durability with your helicopter. Using genuine spares protects your warranty and maintains the structural integrity of your aircraft.
- Compatible with Multiple Blade Models — Designed to fit the Blade B450, 330X, and 330S helicopters, this single part eliminates the need to search for model-specific variations, making it an essential item for pilots who operate multiple Blade aircraft in this size range.
- Precision Bearing Support — The lower bearing block provides critical support and alignment for the tail drive shaft, maintaining proper rotational geometry and reducing vibration during flight operations. Precise alignment is essential for smooth tail rotor response and stable helicopter control.
- Durable Construction — Built from quality materials selected to withstand the mechanical stresses of continuous RC helicopter operation, this bearing block mount resists wear and maintains its dimensional accuracy through extended use.
- Direct Replacement — If your existing bearing block has become damaged, worn, or cracked from impact or extended flight hours, this genuine replacement restores your helicopter's drivetrain to factory specifications without any modification required.
Technical Performance
The tail drive shaft lower bearing block is a precision-engineered component that operates at the intersection of the helicopter's main drive system and the tail rotor assembly. In Blade RC helicopters such as the B450, 330X, and 330S, the tail drive system transmits rotational power from the main motor through a series of belts, gears, and shafts to ultimately spin the tail rotor at several thousand RPM. The lower bearing block serves as a critical support point, holding the tail drive shaft in precise alignment whilst allowing it to rotate freely. This component must withstand radial and axial loads generated by the rotating shaft and the inertia of the tail rotor disc. The bearing block incorporates precision ball bearings that enable smooth rotation whilst the mount structure provides rigid support to the shaft, preventing deflection that would cause misalignment, binding, or premature bearing wear. In high-performance flying, including 3D aerobatics and aggressive manoeuvres, the tail drive system experiences significant dynamic loads, making a quality bearing block essential for reliable operation. This genuine Blade component is manufactured using quality materials and tolerances that maintain helicopter performance and longevity.
What's in the Box
- One BLH Tail Drive Shaft Lower Bearing Block/Mount assembly
What You Need to Complete
- Your existing Blade B450, 330X, or 330S helicopter
- Basic RC helicopter tools for disassembly and reassembly if required
- Technical manual or assembly guide for your specific Blade helicopter model
Frequently Asked Questions
- Is this the correct replacement part for my Blade helicopter? — This lower bearing block is specifically designed for the Blade B450, 330X, and 330S RC helicopters. Verify your model number before ordering to ensure compatibility. If you're unsure which model you own, check your aircraft's documentation or contact our knowledgeable team for guidance.
- When do I need to replace the tail drive shaft lower bearing block? — You should replace this part if you notice excessive vibration in the tail rotor, if the bearing block has visible cracks or damage from a crash, if the shaft no longer rotates freely, or if you're rebuilding your helicopter after significant impact. Regular inspection during maintenance will help you identify wear before it affects flight performance.
- Can I use aftermarket bearing blocks instead of genuine Blade parts? — Genuine Blade components are engineered and tested specifically for your helicopter model, ensuring proper fit, alignment, and durability. Using genuine spares maintains your warranty and guarantees that critical drivetrain components meet factory specifications for safety and performance. Aftermarket alternatives may not provide the same dimensional accuracy or material quality.
- What tools do I need to replace this bearing block? — Basic RC helicopter tools including small screwdrivers, hex keys, and pliers are typically required. The specific tools depend on your helicopter model's design. Refer to your Blade helicopter's technical manual or assembly guide for detailed instructions on removing and installing the tail drive shaft components.
- Is this part suitable for beginners? — This is a replacement spare part intended for RC helicopter pilots with experience in aircraft maintenance. Replacing the tail drive shaft lower bearing block requires careful disassembly of the helicopter's drivetrain and precise reassembly to ensure proper alignment. Beginners should seek assistance from experienced pilots or contact Blade support if they're unfamiliar with helicopter maintenance procedures.
- Does this part require any special maintenance after installation? — Once installed, the bearing block requires no special maintenance beyond regular inspection during your routine pre-flight checks. Ensure the tail rotor spins freely and smoothly, and listen for any unusual vibration or grinding noises that might indicate an alignment issue. Keep the bearing block clean and free from dirt and debris that could affect bearing performance.
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 BLH Tail Drive Shaft Lower Bearing Block/Mount: B450, 330X, 330S Z-BLH1654 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.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
