Trusted PayPal checkout — fast, secure, and familiar.
- Home
- RC Model Compatibility Hub
- RC Brands
- Marui
- Marui Ninja 4WD 1/10 Electric Off-Road Buggy — Find Compatible Stainless Screw & Bearing Kits
- RCScrewZ Rubber Shielded Bearings mar004r for Marui Ninja 4WD 1/10 Electric Off-Road Buggy | RCX
RCScrewZ Rubber Shielded Bearings mar004r for Marui Ninja 4WD 1/10 Electric Off-Road Buggy | RCX
RCScrewZ
SKU: mar004r
- Regular price
- $53.67
- Sale price
- $53.67
- Regular price
-
$59.95 - Unit price
- / per
Available Quantity: 99
Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay
This page shows the Rubber-Shielded Bearing Kit for this RC model — view all compatible Screw and Bearing kits for this RC model by clicking this link:
▤ Marui Ninja 4WD 1/10 Electric Off-Road Buggy — 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: Marui
- RC Model: Marui Ninja 4WD 1/10 Electric Off-Road Buggy
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Chassis: Marui Ninja 4WD Shaft-Drive Tub Chassis
- Era: Early Classics (1980-1989)
- OEM / Models: Marui Ninja 4WD, Tokyo Marui Ninja 4WD
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: Marui
- ✅ Fit: Marui Ninja 4WD 1/10 Electric Off-Road Buggy
- Compatible RC Model Numbers: Marui Ninja 4WD · Tokyo Marui Ninja 4WD
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Vehicle Type: 1/10 Electric 4WD Off-Road Buggy
- Chassis: Marui Ninja 4WD Shaft-Drive Tub Chassis
- Era: Early Classics (1980-1989)
- RC Model Terrain: Off-Road: Dirt, Grass & Loose Gravel
This Kit Details
- 🆔 SKU: mar004r
- 🆔 MPN: mar004r
- Product: RC Model Specific Rubber Shielded Bearing Kit (Sealed Bearings)
- Bearing Type: Rubber-Sealed (Off-Road)
- 🛡️ Sealed Bearings: Yes
- Water/Dust Protection: Sealed against dirt & splash
- 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
- Marui Ninja 4WD 1/10 Electric Off-Road Buggy
- Compatible RC Brand
- Marui
- RC Vehicle OEM / Model Number(s)
- RCScrewZ Kit Part Number
- mar004r
Vehicle Compatibility Details
Review these vehicle details to help confirm compatibility with your RC model.
- RC Vehicle OEM / Model Number(s)
- RC Chassis Compatibility
- Marui Ninja 4WD Shaft-Drive Tub Chassis
- Compatible Vehicle Type
- 1/10 Electric 4WD Off-Road Buggy
- 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 (Off-Road / Dusty On-Road):
- Compatible with the Marui Ninja 4WD 1/10 Electric Off-Road Buggy.
- Brand: Marui / Tokyo Marui.
- Scale: 1/10.
- Fuel Type: Electric.
- Vehicle Type: 4WD Off-Road Buggy.
- Chassis: Marui Ninja 4WD shaft-driven molded tub chassis.
- Terrain Compatibility: Off-road dirt, loose gravel, grass, dusty track days, and general vintage buggy running.
- Release Date: 1987.
- Production Era: Early Classics (1980-1989).
- Model/Alias Coverage: Marui Ninja 4WD, Tokyo Marui Ninja 4WD.
- Series: Ninja 4WD / Marui 4WD Buggy.
Benefits:
- Rubber shielded bearings help block dirt, dust, and light moisture for longer service life in off-road use.
- Excellent upgrade for models that originally used nylon bushings or older bearing setups.
- Ideal for vintage RC owners who want smoother running with better contamination protection.
Reason to Purchase:
- If your Marui Ninja will be driven on dirt or loose surfaces, rubber shielded bearings are the better long-term choice because they help keep grit out and reduce wear compared with open bushings or lightly shielded setups.
Common Search Phrases Buyers Use:
- Marui Ninja sealed bearing kit
- Marui Ninja rubber shielded bearings
- Marui Ninja 4WD sealed bearings
- Tokyo Marui Ninja bearing upgrade
- vintage Marui buggy sealed bearings
- Marui Ninja off road bearing kit
Rubber-Sealed Bearing Kit Details
Review the bearing-kit details below before ordering.
- RCScrewZ Kit Part Number
- mar004r
- 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.
Trusted PayPal checkout — fast, secure, and familiar.













