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Representative image of an RCScrewZ metal-shielded bearing kit for Tamiya M1025 Hummer 1/12 Electric 4WD Military Truck (58154); exact bearing sizes and quantities vary by RC model.

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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: '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 - tam249b

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 - tam249b

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 - tam249b

RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - tam249b

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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 - tam249b

Infographic reminder: Refer to the item description for more detailed information about the product - tam249b

Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - tam249b

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 tam249b for Tamiya AM General M1025 Hummer TA01 1/10 Electric 4WD Off-Road Military Truck (#58154) | SET

Name: RCScrewZ Metal Shielded Bearing Kit tam249b for Tamiya AM General M1025 Hummer TA01 1/10 Electric 4WD Off-Road Military Truck (#58154) | SET
Brand: RCScrewZ
SKU: tam249b
Price: 38.94 USD
Availability: InStock

RCScrewZSKU: tam249b

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

Fits: Tamiya M1025 Hummer 1/12 Electric 4WD Military Truck (58154)
OEM / model: 58154

Regular price: $38.94
Sale price: $38.94
Regular price: ~~$43.95~~
Unit price: per

In stock

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

RC model: Tamiya M1025 Hummer 1/12 Electric 4WD Military Truck (58154)
OEM / model number: 58154

Kit type: Metal-Shielded Bearing Kit — Low-Drag for Cleaner Running
Scale: 1:12
Power: Electric

View all verified kits for this model →

More compatibility details

RC brand: Tamiya
Vehicle class: Land
Kit SKU: tam249b
Model series: M1025 Hummer, TA01, TA02

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
5x11x4mm bearings

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 M1025 Hummer 1/12 Electric 4WD Military Truck (58154)
Compatible RC Brand: Tamiya
RC Vehicle OEM / Model Number(s): 58154
RCScrewZ Kit Part Number: tam249b

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s): 58154
RC Chassis Compatibility: Tamiya TA01/TA02 Military Chassis (58154)
Compatible Vehicle Type: 1/12 Electric 4WD Military Truck
Terrain Compatibility
Compatible Scale: 1:12
Compatible Fuel Type: Electric

What Is Included

Included bearing sizes for this Metal-Shielded Bearing Kit:

5x8x2.5mm bearings
5x11x4mm 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

Metal Shielded Bearing Kit Compatibility:

Quick Fit Summary:

Compatible Brand: Tamiya
Fit: Model-specific fitment for Tamiya M1025 Hummer
Compatible RC Model/OEM Numbers: 58154
Scale: 1/12
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified.
Drive Type: 4WD
Vehicle Type: Military Truck
Chassis: Tamiya TA01/TA02 Military Chassis (58154)
Era: Golden Age (1990-1999)
OEM / Models: 58154
RC Model Terrain: Off-Road: Military Trail & Rough Terrain

This Kit Details:

SKU: tam249b
MPN: tam249b
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
5x11x4mm bearings

OEM / Model Code / Alias Coverage: Fits Tamiya OEM model 58154.

Model Family Coverage: M1025 Hummer, TA01, TA02

Product Benefits:

Metal shielded bearings reduce friction for smoother low-drag drivetrain performance.
Best for clean, dry, low-debris running, display builds, race prep, and controlled surfaces.
For dirt, dust, trail use, or debris-prone running, choose rubber shielded bearings instead.

Fitment Note: Match your RC model number before ordering. This kit is configured for the listed Tamiya model family and does not confirm fitment for other variants unless those OEM numbers are listed.

Search-Friendly Notes: Helpful for Tamiya RC parts, Tamiya screw kit, Tamiya bearing kit, m1025 hummer parts, and model-specific RC maintenance searches.