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- Tamiya TRF421X 1/10 Electric 4WD Touring Car (42391) — Find Compatible Stainless Screw & Bearing Kits
- RCScrewZ Metal Shielded Bearing Kit tam280b for Tamiya TRF421X 1/10 Electric 4WD On-Road Touring Car Chassis Kit (#42391) | UPG
RCScrewZ Metal Shielded Bearing Kit tam280b for Tamiya TRF421X 1/10 Electric 4WD On-Road Touring Car Chassis Kit (#42391) | UPG
RCScrewZ
SKU: tam280b
- Regular price
- $53.67
- Sale price
- $53.67
- Regular price
-
$59.95 - Unit price
- / per
Available Quantity: 100
Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay
This page shows the Metal-Shielded Bearing Kit for this RC model — view all compatible Screw and Bearing kits for this RC model by clicking this link:
▤ Tamiya TRF421X 1/10 Electric 4WD Touring Car (42391) — Find Compatible Stainless Screw & Bearing KitsPro tip: Most builders grab a Stainless Screw Kit and a Bearing Kit for this RC model so everything wears evenly.
- Compatible Brand: Tamiya
- RC Model: Tamiya TRF421X 1/10 Electric 4WD Touring Car (42391)
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Chassis: Tamiya TRF421X Belt-Driven 4WD Chassis (42391)
- Era: Next Gen Era (2020–Present)
- OEM / Models: 42391
Quick Fit Summary — Full Details
Quick Fit Summary
Key fit details for your RC model, plus what’s in this kit.
RC Model Fit & Specs
- Compatible Brand: Tamiya
- ✅ Fit: Tamiya TRF421X 1/10 Electric 4WD Touring Car (42391)
- Compatible RC Model Numbers: 42391
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Vehicle Type: 1/10 Electric 4WD On-Road Touring Car
- Chassis: Tamiya TRF421X Belt-Driven 4WD Chassis (42391)
- Era: Next Gen Era (2020–Present)
- RC Model Terrain: On-Road: Carpet, Asphalt & High-Grip Track
This Kit Details
- 🆔 SKU: tam280b
- 🆔 MPN: tam280b
- Product: RC Car Metal Bearing Set
- Bearing Type: Metal-Shielded (On-Road)
- 🛡️ Sealed Bearings: No
- Water/Dust Protection: Low-drag, not sealed
- Product Material: Carbon Chrome Steel
- Product Color: Silver
- Bearing Sizes Included: Note: The specific bearing sizes will be listed soon. In the meantime · please contact us for detailed information about the sizes included in this kit. We're happy to assist you!
- 🛠️ Install: ≈60 min; recheck torque after first run
- Country of Origin: United States
Full Product Description
➡️ Precision ⬅️
RC Metal Shielded
Bearing Kit
🚀 Maximize Your RC Vehicle's Performance!
High-Quality
Metal Shielded Bearings
👉 The Precision Edge for Your Summer RC Projects
Elevate your RC experience with our
Precision-Engineered
High-Performance
Replacement and Upgrade Bearings
Compatible with:
Join thousands of RC enthusiasts who trust our quality and durability.
💡 Add the matching Stainless Screw Kit for a complete build — volume discounts auto-apply at checkout.
🔴 Included Bearing Sizes:
Note: The specific bearing sizes will be listed soon. In the meantime, please contact us for detailed information about the sizes included in this kit. We're happy to assist you!
All Bearings Are Included
+ (1) Extra of Every Size
as backup spares:
🏎️ Boost Your On-Road Speed
with Precision Bearings
🛠 Installation Insights & More:
Metal Shielded Bearing Kit Compatibility:
Quick Fit Summary:
Compatible Brand: Tamiya
Fit: Model-specific fitment for Tamiya TRF421X Chassis Kit
Compatible RC Model/OEM Numbers: 42391
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified.
Drive Type: 4WD
Vehicle Type: On-Road Touring Car
Chassis: TRF421X
Era: Next Gen Era (2020–Present)
OEM / Models: 42391
RC Model Terrain: On-Road: Carpet, Asphalt & High-Grip Track
This Kit Details:
SKU: tam280b
MPN: tam280b
Kit Type: Metal Shielded Bearing Kit
Bearing Type: Metal-Shielded (On-Road / Low-Drag)
Sealed Bearings: No
Water/Dust Protection: Low-drag, not sealed
Product Material: Carbon Chrome Steel Bearings
Product Color: Silver
Bearing Size Details: Not currently verified.
OEM / Model Code / Alias Coverage:
OEM Model Codes: 42391
Alias / Series Coverage: TRF421X, TRF421, TRF
Model Family Coverage:
Tamiya TRF421X Chassis Kit family coverage uses the listed OEM model codes only. Verify your kit number against 42391 before ordering.
Product Benefits:
Metal-shielded bearings are tuned for reduced friction, low-drag rolling performance, and a smooth drivetrain feel in clean, dry, controlled running conditions.
Fitment Note:
Compatible with Tamiya TRF421X Chassis Kit using OEM model code(s) 42391. Specialty pins, shafts, shoulder hardware, and non-standard upgraded hardware are not claimed unless shown in confirmed kit contents.
Release Date: 2026 Release
Search-Friendly Notes:
Search-friendly fitment terms include Tamiya bearing kit, Tamiya bearings, TRF421X bearings, TRF421X bearings, low-drag RC bearings, and metal shielded bearings.
Metal Shielded Bearing Kit Compatibility:
Quick Fit Summary:
Compatible Brand: Tamiya
Fit: Model-specific fitment for Tamiya TRF421X Chassis Kit
Compatible RC Model/OEM Numbers: 42391
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified.
Drive Type: 4WD
Vehicle Type: On-Road Touring Car
Chassis: TRF421X
Era: Next Gen Era (2020–Present)
OEM / Models: 42391
RC Model Terrain: On-Road: Carpet, Asphalt & High-Grip Track
This Kit Details:
SKU: tam280b
MPN: tam280b
Kit Type: Metal Shielded Bearing Kit
Bearing Type: Metal-Shielded (On-Road / Low-Drag)
Sealed Bearings: No
Water/Dust Protection: Low-drag, not sealed
Product Material: Carbon Chrome Steel Bearings
Product Color: Silver
Bearing Size Details: Not currently verified.
OEM / Model Code / Alias Coverage:
OEM Model Codes: 42391
Alias / Series Coverage: TRF421X, TRF421, TRF
Model Family Coverage:
Tamiya TRF421X Chassis Kit family coverage uses the listed OEM model codes only. Verify your kit number against 42391 before ordering.
Product Benefits:
Metal-shielded bearings are tuned for reduced friction, low-drag rolling performance, and a smooth drivetrain feel in clean, dry, controlled running conditions.
Fitment Note:
Compatible with Tamiya TRF421X Chassis Kit using OEM model code(s) 42391. Specialty pins, shafts, shoulder hardware, and non-standard upgraded hardware are not claimed unless shown in confirmed kit contents.
Release Date: 2026 Release
Search-Friendly Notes:
Search-friendly fitment terms include Tamiya bearing kit, Tamiya bearings, TRF421X bearings, TRF421X bearings, low-drag RC bearings, and metal shielded bearings.
🟥 Discover the Ultimate RCScrewZ Shielded Bearing Kits
Enhance your RC vehicle's performance with the top-notch RCScrewZ Metal and Rubber Shielded Bearing Kits. Engineered for exceptional durability and reliability, these RC Bearing kits provide everything you need for a complete upgrade.
- Premium Metal/Rubber Shielded Bearings for long-lasting performance.
- All-Inclusive kits feature Standard, Flanged, One-Way, and Thrust bearings (as applicable).
- Spare bearings for instant replacements ensuring non-stop racing.
- Convenient reusable storage case, essential for every RC enthusiast's toolbox.
🔍 Enhanced Product Details
Part Number:
Brand Name:
Shielding Type:
- Metal Shielded Bearing Kit
Sealed Bearings:
- No
Material:
- Polished Carbon Chrome Bearings
🔢 Approximate Piece Count:
- Piece count information will be available shortly.
Color:
⚙️ Compatibility Details
Compatible RC Brand Name:
- For Tamiya
Compatible RC Model:
Compatible RC Chassis:
- Tamiya TRF421X Belt-Driven 4WD Chassis (42391)
Compatible RC Vehicle Type:
- 1/10 Electric 4WD On-Road Touring Car
Compatible Scale:
Compatible Fuel Type:
🟥 Key Benefits for RC Vehicle Enthusiasts
-
Shielding Features:
- Metal Shielded: Removable shields for easy maintenance and re-oiling.
- Rubber Shielded (Sealed): Provides superior defense against dirt and grime for robust off-road adventures.
-
Performance Features:
- Metal Shielded: Designed for reduced rotational friction and top-notch on-road performance.
- Rubber Shielded: Grease-packed bearings ensure peak off-road performance.
❓ Product FAQs
- For frequently asked questions, please refer to the listing images where detailed FAQs about these RC replacement parts are available.
🟥 Explore Our Premium Metal and Rubber Shielded Bearing Kits
Each kit is meticulously designed specifically for your thrilling RC adventures, ensuring optimal performance and durability!
➡️ Each kit comes fully equipped with all necessary bearings (Standard, Flanged, One-Way & Thrust, as applicable) plus additional spares for immediate replacement needs. Our kits are thoughtfully packaged in a reusable storage container to neatly organize your spare parts in your toolbox.
- Our Metal Shielded Bearings are designed with removable shields for simplified maintenance and re-oiling, offering less rotational friction than their rubber counterparts. They provide superior performance for on-road and track racing environments.
- Alternatively, our Rubber Shielded Bearings (SEALED) are your ultimate solution against dirt and debris, ideal for rough, off-road conditions. Pre-lubricated with high-grade grease, they are ready for action following a brief break-in period and are designed to deliver optimal performance under the most demanding circumstances.
➡️ Whether you choose Metal or Rubber, our bearing kits offer unmatched quality and durability, ensuring prolonged performance and reliability for your RC vehicle. Make the switch today! You need great RC vehicle parts.
Don't miss out on the performance upgrade you deserve.
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