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Representative image of an RCScrewZ rubber-sealed bearing kit for Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399); exact bearing sizes and quantities vary by RC model.
Upgrade Your RC Car with Metal Shielded Bearings for Tamiya Porsche 911 GT2 | tam257b - 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 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 - tam257r
Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles - tam257r
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 - tam257r
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 - tam257r
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 - tam257r
RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - tam257r
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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 - tam257r
Infographic reminder: Refer to the item description for more detailed information about the product - tam257r
Infographic reminder: Refer to the item description for more detailed information about the product - tam257r
Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - tam257r

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 tam257r for Tamiya Porsche 911 GT2 Racing TA02SW 1/10 Electric 4WD On-Road Touring Car (#84399) | SET

RCScrewZSKU: tam257r

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

Fits: Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399)
OEM / model: 84399

US
Regular price
$53.67
Sale price
$53.67
Regular price
$59.95

In stock

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

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Confirm This Fits Your RC

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

RC model
Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399)
OEM / model number
84399
Kit type
Rubber-Shielded Bearing Kit — Sealed for Off-Road Protection
Scale
1:10
Power
Electric
View all verified kits for this model →
More compatibility details
RC brand
Tamiya
Vehicle class
Land
Kit SKU
tam257r
Model series
Porsche 911 GT2 Racing, TA02SW
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:

    • 5x8x2.5mm bearings (7)

    • 5x11x4mm bearings (13)

    • 6x12x4mm bearings (3)

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
Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399)
Compatible RC Brand
Tamiya
RC Vehicle OEM / Model Number(s)
84399
RCScrewZ Kit Part Number
tam257r

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
84399
RC Chassis Compatibility
Tamiya TA02SW Short-Wheelbase 4WD Chassis (84399)
Compatible Vehicle Type
1/10 Electric 4WD On-Road Touring Car
Terrain Compatibility
Compatible Scale
1:10
Compatible Fuel Type
Electric

What Is Included

Included bearing sizes for this Rubber-Sealed Bearing Kit:

    • 5x8x2.5mm bearings (7)

    • 5x11x4mm bearings (13)

    • 6x12x4mm bearings (3)

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: Tamiya
  • Fit: Model-specific fitment for Tamiya Porsche 911 GT2 Racing.
  • Compatible RC Model/OEM Numbers: 84399
  • Scale: 1/10
  • Power Source / Fuel Type: Electric
  • Battery / Cell Count: Not currently verified.
  • Drive Type: 4WD
  • Vehicle Type: 1/10 Electric 4WD On-Road Touring Car
  • Chassis: Tamiya TA02SW Short-Wheelbase 4WD Chassis (84399)
  • Era: Contemporary Era (2010-2019)
  • OEM / Models: 84399
  • RC Model Terrain: On-Road: Carpet, Smooth Asphalt & Track

This Kit Details:

  • SKU: tam257r
  • MPN: tam257r
  • 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:

  • 5x8x2.5mm bearings (7)
  • 5x11x4mm bearings (13)
  • 6x12x4mm bearings (3)

OEM / Model Code / Alias Coverage: Tamiya OEM/model code 84399; model family aliases include Porsche 911 GT2 Racing, TA02SW.

Model Family Coverage: Porsche 911 GT2 Racing, TA02SW.

Release Date: 27 Jun 2015

Product Benefits:

  • Rubber shielded bearings add sealed protection against dirt, dust, and debris for outdoor or mixed-surface RC use.
  • Ideal when durability and contamination resistance matter more than the lowest possible rolling drag.

Reason to Purchase: Choose rubber shielded bearings for dusty, dirty, outdoor, bashing, trail, off-road, or debris-prone running where sealed protection helps reduce contamination compared with metal shielded bearings.

Fitment Note: Built for the listed Tamiya model and OEM number. Confirm your kit number and chassis before ordering, especially on vintage, re-release, limited-edition, or modified RC builds.

Search-Friendly Notes: Useful for Tamiya RC parts searches including Tamiya screw kit, Tamiya bearing kit, Porsche 911 GT2 Racing parts, and 911 GT2 TA02SW upgrades.

Rubber-Sealed Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
tam257r
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 Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399) OEM/model: 84399
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Fits: Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399)
$53.67