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Representative image of an RCScrewZ rubber-sealed bearing kit for Team Associated SC18 RTR 1/18 Electric 4WD (20120, 20121); exact bearing sizes and quantities vary by RC model.
Upgrade Your RC Car with Rubber Shielded Bearings for Associated SC18 RTR #20120 | ass040r - High Performance Upgrade | Durable & Reliable - by J-M SUPPLIES
Infographic: 'Choose Wisely for Your Need for Speed' – Highlights Metal Shielded Bearings as the top choice for unbeatable on-road RC car performance -
Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles -
Infographic: 'Choose Wisely for Your Need for Speed' – Highlights Metal Shielded Bearings as the top choice for unbeatable on-road RC car performance - ass040r
Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles - ass040r
Infographic: 'What Matters Most to You? Performance on the Streets or Durability in the Dirt?' – Guides on selecting bearings to match your RC lifestyle, highlighting the importance of choosing based on whether your focus is speed on paved roads or resilience in off-road conditions - ass040r
Infographic: 'Need Bearings? How to Check Your RC's Bearings for Replacement' – Instructions to remove, clean, and inspect bearings for gritty texture or improper movement, indicating the need for replacement - ass040r
Step-by-Step Guide: Checking RC Bearings. 2. Assess if bearings feel gritty or aren't spinning freely. 3. Non-free spinning bearings impair RC performance. 4. Bearings not spinning freely may need replacement - ass040r
RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - ass040r
Elevate Your RC Adventure! Image introducing Stainless Screw Kits as the Ultimate Upgrade. Offers enhanced durability, superior corrosion resistance, and a sleek look, making them a top choice for complementing high-quality bearing selections. Trusted by RC enthusiasts worldwide - ass040r
Infographic on RCScrewZ Bearing Kits: Highlights features of both metal and rubber shielded bearing kits, detailing high-quality components suitable for various RC models. Covers standard, flanged, one-way, and thrust bearings included in kits, with extra spares. Explains the shielding and performance benefits of each type, tailored for specific RC model needs - ass040r
Infographic reminder: Refer to the item description for more detailed information about the product - ass040r
Infographic reminder: Refer to the item description for more detailed information about the product - ass040r
Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - ass040r

Why Choose This Kit

Key features and intended use for this kit.

Shield type

Rubber-Sealed (Off-Road)

Protection focus

Sealed against dirt & splash

Best suited for

Off-road / dirty conditions

Rubber-Shielded Bearings

RCScrewZ Rubber Shielded Bearing Kit ass040r for Team Associated SC18 RTR 1/18 Electric 4WD Off-Road Short Course Truck (#20120, #20121) | SET

RCScrewZSKU: ass040r

Rubber-shielded bearings for land-based RC use where added protection from dust, dirt, sand, and mud is preferred.

Fits: Team Associated SC18 RTR 1/18 Electric 4WD (20120, 20121)
OEM / model: 20120, 20121

US
Regular price
$38.94
Sale price
$38.94
Regular price
$43.95

In stock

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Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.

Exact model check

Confirm This Fits Your RC

Match the RC model and OEM/model number below before ordering.

RC model
Team Associated SC18 RTR 1/18 Electric 4WD (20120, 20121)
OEM / model number
20120, 20121
Kit type
Rubber-Shielded Bearing Kit — Sealed for Off-Road Protection
Scale
1:18
Power
Electric
View all verified kits for this model →
More compatibility details
RC brand
Team Associated
Vehicle class
Land
Kit SKU
ass040r
Model series
SC18, SC18 RTR, RC18 Platform
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 listed below for 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

Included bearing sizes for this kit:

    • 3x6x2.5mm bearings
    • 4x8x3mm bearings
    • 8x12x3.5mm 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
Team Associated SC18 RTR 1/18 Electric 4WD (20120, 20121)
Compatible RC Brand
Team Associated
RC Vehicle OEM / Model Number(s)
20120, 20121
RCScrewZ Kit Part Number
ass040r

Vehicle Compatibility Details

Review these vehicle details to help confirm compatibility with your RC model.

RC Vehicle OEM / Model Number(s)
20120, 20121
RC Chassis Compatibility
Team Associated SC18 Chassis (20120, 20121)
Compatible Vehicle Type
1/18 Electric 4WD Off-Road Short Course Truck
Terrain Compatibility
Compatible Scale
1:18
Compatible Fuel Type
Electric

What Is Included

Included bearing sizes for this Rubber-Sealed Bearing Kit:

    • 3x6x2.5mm bearings
    • 4x8x3mm bearings
    • 8x12x3.5mm bearings

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:

Model-specific fitment for the Team Associated SC18 RTR 1/18 Electric 4WD Off-Road Short Course Truck, OEM models 20120 and 20121.

Quick Fit Summary:

  • Compatible Brand: Team Associated
  • Fit: Model-specific fitment for the Team Associated SC18 RTR 1/18 Electric 4WD Off-Road Short Course Truck, OEM models 20120 and 20121.
  • Compatible RC Model/OEM Numbers: 20120, 20121
  • Scale: 1/18
  • Power Source / Fuel Type: Electric
  • Battery / Cell Count: Not currently verified
  • Drive Type: 4WD
  • Vehicle Type: Off-Road Short Course Truck
  • Chassis: Team Associated SC18 Chassis
  • Era: Contemporary Era (2010-2019)
  • OEM / Models: 20120, 20121
  • RC Model Terrain: Off-Road: Dirt, Carpet & Short Course Tracks

This Kit Details:

  • SKU: ass040r
  • MPN: ass040r
  • Kit Type: Rubber Shielded Bearing Kit
  • Bearing Type: Rubber-Shielded Bearings (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:

  • 3x6x2.5mm bearings
  • 4x8x3mm bearings
  • 8x12x3.5mm bearings

OEM / Model Code / Alias Coverage:

20120, 20121; SC18, SC18 RTR, RC18 Platform

Model Family Coverage:

SC18 RTR

Fitment Note:

Please compare your Team Associated model name and OEM/model number with this listing before ordering. This kit is model-specific and is not a universal RC hardware or bearing assortment.

Search-Friendly Notes:

Compatible Team Associated SC18 RTR parts support for RC screw kit, stainless screws, metal shielded bearings, and rubber shielded bearings shoppers.

Product Benefits:

  • Sealed bearing protection helps defend against dirt, dust, clay, and debris during off-road or mixed-surface running.
  • Helpful for Team Associated rebuilds where durability and reduced maintenance matter more than the lowest possible rolling drag.

Reason to Purchase:

Choose rubber shielded bearings for dusty, dirty, clay, parking-lot, or mixed-surface RC use because they add sealed protection compared with metal shielded bearings tuned for lower drag.

Rubber-Sealed Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
ass040r
Product Brand
RCScrewZ
Shielding Type
Rubber-Sealed (Off-Road)
Sealed Bearing Status
Yes
Bearing Material
Dust-Resistant Carbon Chrome
Approximate Piece Count
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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Metal-Shielded Bearing Kit

For Team Associated SC18 RTR 1/18 Electric 4WD (20120, 20121) OEM/model: 20120, 20121
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Fits: Team Associated SC18 RTR 1/18 Electric 4WD (20120, 20121)
$38.94