Shield type
Rubber-Sealed (Off-Road)
SAVE
$6.28
$6.28
Why Choose This Kit
Key features and intended use for this kit.
Protection focus
Sealed against dirt & splash
Best suited for
Off-road / dirty conditions
Rubber-Shielded Bearings
RCScrewZ Rubber Shielded Bearing Kit ara078r for ARRMA Big Rock 223S DSC 1/10 Electric 4WD Brushless Monster Truck RTR (ARA4312V4, 4312V4) | SET
Rubber-shielded bearings for land-based RC use where added protection from dust, dirt, sand, and mud is preferred.
Fits: ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4)
OEM / model: ARA4312V4, 4312V4
US
- Regular price
- $53.67
- Sale price
- $53.67
- Regular price
-
$59.95
In stock
Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.
Confirm This Fits Your RC
Match the RC model and OEM/model number below before ordering.
- RC model
- ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4)
- OEM / model number
- ARA4312V4, 4312V4
- Kit type
- Rubber-Shielded Bearing Kit — Sealed for Off-Road Protection
- Scale
- 1:10
- Power
- Electric
More compatibility details
- RC brand
- Arrma
- Terrain
- Off-Road
- Vehicle class
- Land
- Kit SKU
- ara078r
- Model series
- BIG ROCK, BIG ROCK 223S, 223S, DSC, 4X4, Monster Truck
Product information
Everything You Need Before Ordering
Review what is included, installation notes, shipping details, and complete kit information.
Kit Contents & Installation
What’s Included Model-specific bearing set with one spare of each included size.
- All bearing sizes assigned to this model-specific kit
- One spare of each included size
- Bearing styles vary by RC model and may include standard, flanged, one-way, or thrust bearings
Installation & Model NotesInstallation, cleaning, inspection, and model-specific guidance.
Seat bearings fully and squarely. Do not force them into the housing or overtighten the hardware that retains them.
After dusty, muddy, or wet runs, clean the bearing exterior and dry it thoroughly.
Inspect the bearings for roughness, binding, noise, or excessive play before reuse; service or replace them as needed.
Details & Support
Kit Details Rubber-sealed protection for off-road, dusty, dirty, and muddy running conditions.
- Seal Type
- Rubber-Sealed Bearings
- Protection Priority
- Improved protection against dirt and splash; not waterproof
- Best For
- Off-road use, dust, dirt, sand, mud, and lower-maintenance protection
- Performance Tradeoff
- Protection is prioritized over the lowest possible drag
- Not Ideal For
- Clean, dry on-road or prepared-surface use when lower drag is the priority
- Prefer Metal-Shielded?
- Choose Metal-Shielded bearings for cleaner on-road or prepared surfaces when lower drag is the priority.
Shipping & Returns Handling time, current delivery estimate, and return policy.
Free shipping on all U.S. orders (USPS Priority Mail).
Ships within 1–2 business days (Mon–Fri); some Saturday shipments by 12:00 PM ET.
Most orders ship from Canton, MI 48187. APO/FPO/DPO & PO Boxes welcome.
Priority Mail typically delivers in 2–3 business days (estimates; not guaranteed).
Easy 30-day returns with prepaid USPS label; refunds issued within 3 business days after the return is received.
Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay
Full Product Description Read the complete product specifications and details.
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
- ara078r
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 Rubber-Sealed 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
Rubber 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: ara078r
- MPN: ara078r
- Kit Type: Rubber Shielded Bearing Kit
- Bearing Type: Rubber-Shielded (Off-Road / Sealed)
- Sealed Bearings: Yes
- Water/Dust Protection: Sealed protection against dirt, dust, and debris
- 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:
- Rubber shielded bearings add sealed protection against dirt, dust, and debris.
- Ideal for ARRMA bashing, outdoor running, dirt lots, short-course surfaces, grass, gravel, and mixed terrain.
- Choose rubber shielding when durability and contamination protection matter more than lowest rolling drag.
Reason to Purchase: Rubber shielded bearings are the better choice when sealed protection against dirt, dust, and debris matters more than the lowest possible rolling drag.
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.
Rubber-Sealed Bearing Kit Details
Review the bearing-kit details below before ordering.
- RCScrewZ Kit Part Number
- ara078r
- Product Brand
- RCScrewZ
- Shielding Type
- Rubber-Sealed (Off-Road)
- Sealed Bearing Status
- Yes
- 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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Customer Reviews
More Verified Kits for This RC Model
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Stainless Screw Kit
For ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4) OEM/model: ARA4312V4, 4312V4
Metal-Shielded Bearing Kit
For ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4) OEM/model: ARA4312V4, 4312V4Continue Shopping by RC Model
Fits: ARRMA BIG ROCK 223S DSC 1/10 4WD Monster Truck (ARA4312V4)
$53.67