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RCScrewZ Metal Shielded Bearing Kit ara078b for ARRMA Big Rock 223S DSC 1/10 Electric 4WD Brushless Monster Truck RTR (ARA4312V4, 4312V4) | RCX
RCScrewZ
SKU: ara078b
- Regular price
- $53.67
- Sale price
- $53.67
- Regular price
-
$59.95
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:
ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4) — 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: Arrma
- RC Model: ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4)
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Chassis: ARRMA BIG ROCK 223S 4X4 Platform
- Era: Next Gen Era (2020-Present)
- OEM / Models: ARA4312V4, 4312V4
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: Arrma
- Fit: ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4)
- Compatible RC Model Numbers: ARA4312V4 · 4312V4
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Vehicle Type: 1/10 Electric Brushless 4WD Monster Truck
- Chassis: ARRMA BIG ROCK 223S 4X4 Platform
- Era: Next Gen Era (2020-Present)
- RC Model Terrain: Off-Road: Bashing, Dirt, Grass & Gravel
This Kit Details
- SKU: ara078b
- MPN: ara078b
- Product: On-Road RC Bearing Kit
- 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
Exact RC Model Fitment
Confirm the exact RC model and RC vehicle OEM/model number below before ordering.
- Compatible RC Model
- ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4)
- Compatible RC Brand
- Arrma
- RC Vehicle OEM / Model Number(s)
- ARA4312V4, 4312V4
- RCScrewZ Kit Part Number
- ara078b
Vehicle Compatibility Details
Review these vehicle details to help confirm compatibility with your RC model.
- RC Vehicle OEM / Model Number(s)
- ARA4312V4, 4312V4
- RC Chassis Compatibility
- ARRMA BIG ROCK 223S 4X4 Platform
- Compatible Vehicle Type
- 1/10 Electric Brushless 4WD Monster Truck
- Terrain Compatibility
- Off-Road
- Compatible Scale
- 1:10
- Compatible Fuel Type
- Electric
What Is Included
Included bearing sizes for this Metal-Shielded Bearing Kit:
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!
What Is Not Included
Only the bearings identified in the included-bearing-size list are part of this kit.
The RC vehicle and separately sold parts are not included unless specifically listed.
Installation & Model Notes
Metal Shielded Bearing Kit Compatibility:
Quick Fit Summary:
- Compatible Brand: ARRMA
- Fit: Model-specific fitment for ARRMA BIG ROCK 223S DSC
- Compatible RC Model/OEM Numbers: ARA4312V4, 4312V4
- Scale: 1/10
- Power Source / Fuel Type: Electric Brushless
- Battery / Cell Count: 2S-3S
- Drive Type: 4WD
- Vehicle Type: 1/10 Electric Brushless 4WD Monster Truck
- Chassis: ARRMA BIG ROCK 223S 4X4 Platform
- Era: Next Gen Era (2020-Present)
- OEM / Models: ARA4312V4, 4312V4
- RC Model Terrain: Off-Road: Bashing, Dirt, Grass & Gravel
This Kit Details:
- SKU: ara078b
- MPN: ara078b
- 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:
- ARA4312V4, 4312V4
Model Family Coverage:
- BIG ROCK, BIG ROCK 223S, 223S, DSC, 4X4, Monster Truck
Release / Date Evidence: Reference Date: Official ARRMA product-showcase production year 2025.
Product Benefits:
- Metal shielded bearings are a good choice for lower rolling resistance in cleaner, dry, low-debris running.
- They support smooth drivetrain feel for race prep, bench rebuilds, speed runs, or display builds.
- For dirt, dust, gravel, grass, or debris-prone bashing, choose the rubber shielded bearing kit instead.
Fitment Note: Match your ARRMA model name, scale, drivetrain, and OEM/model number before ordering.
Search-Friendly Notes: Compatible ARRMA RC parts support model-specific screw kit and bearing kit searches for ARRMA BIG ROCK 223S DSC owners.
Metal-Shielded Bearing Kit Details
Review the bearing-kit details below before ordering.
- RCScrewZ Kit Part Number
- ara078b
- Product Brand
- RCScrewZ
- Shielding Type
- Metal-Shielded (On-Road)
- Sealed Bearing Status
- No
- Bearing Material
- Carbon Chrome Steel
- Approximate Piece Count
- Piece count information will be available shortly.
- Color
- Silver
Before Ordering
- Confirm your exact RC model, RC brand, and OEM/model number whenever possible.
- Review the included-bearing-size list before purchase.
- Read the installation and model notes before disassembly or installation.
Vehicle versions, chassis revisions, and model-year configurations can differ.
Confirm fitment before purchase when your RC vehicle differs from the details shown above.
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