SAVE
$6.28
Representative image of an RCScrewZ metal-shielded 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 - tam257b
Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles - tam257b
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 - tam257b
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 - tam257b
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 - tam257b
RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - tam257b
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 - tam257b
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 - tam257b
Infographic reminder: Refer to the item description for more detailed information about the product - tam257b
Infographic reminder: Refer to the item description for more detailed information about the product - tam257b
Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - tam257b
J-M SUPPLIES - RCScrewZ Metal Shielded Bearing Kit tam257b for Tamiya TA02SW 4wd #84399 RC Car | SET -

Why Choose This Kit

Key features and intended use for this kit.

Shield type

Metal-Shielded (On-Road)

Performance focus

Low-drag, not sealed

Best suited for

Cleaner on-road / prepared surfaces

Metal-Shielded Bearings

RCScrewZ Metal Shielded Bearing Kit tam257b for Tamiya Porsche 911 GT2 Racing TA02SW 1/10 Electric 4WD On-Road Touring Car (#84399) | SET

RCScrewZSKU: tam257b

Model-specific metal-shielded bearings for smooth, low-drag operation on cleaner on-road or prepared surfaces.

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

View Cart

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
Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399)
OEM / model number
84399
Kit type
Metal-Shielded Bearing Kit — Low-Drag for Cleaner Running
Scale
1:10
Power
Electric
View all verified kits for this model →
More compatibility details
RC brand
Tamiya
Vehicle class
Land
Kit SKU
tam257b
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 NotesImportant instructions and model-specific guidance.

Seat bearings fully and squarely. Do not force them into the housing or overtighten the hardware that retains them.

Keep metal-shielded bearings clean and dry.

After cleaning and drying, apply a small amount of light bearing oil.

Details & Support

Kit Details Lower-drag metal shields for clean, dry running conditions.
Shield Type
Metal-Shielded Bearings
Performance Priority
Lower drag
Protection
Not sealed; best kept clean and dry
Best For
Cleaner on-road or prepared surfaces when lower drag is the priority
Not Ideal For
Dust, dirt, sand, mud, water, or frequent wet-condition use
Prefer Rubber-Sealed?
Choose Rubber-Sealed bearings for off-road use, dust, dirt, sand, mud, water exposure, or lower-maintenance protection.
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
tam257b

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 Metal-Shielded 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

Metal 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: tam257b
  • MPN: tam257b
  • 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:

  • 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:

  • Metal shielded bearings are built for reduced friction, low-drag rotation, and smooth drivetrain feel.
  • Best for clean, dry, low-debris running, controlled on-road use, display builds, or racers prioritizing rolling efficiency.
  • Metal shields are not sealed for dirt, dust, mud, or debris protection.

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.

Metal-Shielded Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
tam257b
Product Brand
RCScrewZ
Shielding Type
Metal-Shielded (On-Road)
Sealed Bearing Status
No
Bearing Material
Carbon Chrome Bearings
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.

Share This Kit

Know another RC owner who could use this kit? Send them this exact product page.

More ways to share:

Customer Reviews

Same-model kit options

More Verified Kits for This RC Model

These kits are verified for the same exact RC model and OEM/model number.

Stainless Screw Kit

For Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399) OEM/model: 84399
Current price: $33.97 Compare-at price: $34.95 Save $0.98 In stock View Stainless Screw Kit

Rubber-Sealed Bearing Kit

For Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399) OEM/model: 84399
Current price: $53.67 Compare-at price: $59.95 Save $6.28 In stock View Rubber-Sealed Kit
Next step

Continue Shopping by RC Model

Shop More Parts for This RC Model View all verified kits for this exact model Find Parts for a Different RC Model Search by brand and model in the Compatibility Hub
Fits: Tamiya Porsche 911 GT2 TA02SW 1/10 Electric 4WD (84399)
$53.67