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Representative image of an RCScrewZ rubber-sealed bearing kit for HPI Baja 5R 1970 Mustang Boss 302 1/5 Gas 2WD On-Road (115123); exact bearing sizes and quantities vary by RC model.
Upgrade Your RC Car with Rubber Shielded Bearings for HPI Baja 5R Mustang Boss 302 | hpi091r - 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 - hpi091r
Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles - hpi091r
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 - hpi091r
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 - hpi091r
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 - hpi091r
RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - hpi091r
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 - hpi091r
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 - hpi091r
Infographic reminder: Refer to the item description for more detailed information about the product - hpi091r
Infographic reminder: Refer to the item description for more detailed information about the product - hpi091r
Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - hpi091r

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 hpi091r for HPI Racing Baja 5R 1970 Ford Mustang Boss 302 1/5 Gasoline 2WD On-Road Sedan (#115123) | SET

RCScrewZSKU: hpi091r

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

Fits: HPI Baja 5R 1970 Mustang Boss 302 1/5 Gas 2WD On-Road (115123)
OEM / model: 115123

US
Regular price
$69.88
Sale price
$69.88
Regular price
$79.95

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
HPI Baja 5R 1970 Mustang Boss 302 1/5 Gas 2WD On-Road (115123)
OEM / model number
115123
Kit type
Rubber-Shielded Bearing Kit — Sealed for Off-Road Protection
Scale
1:5
Power
Gas
View all verified kits for this model →
More compatibility details
RC brand
HPI Racing
Vehicle class
Land
Kit SKU
hpi091r
Model series
Baja 5R, 1970 Ford Mustang Boss 302, Ford Mustang Boss 302
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 assigned to 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
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
HPI Baja 5R 1970 Mustang Boss 302 1/5 Gas 2WD On-Road (115123)
Compatible RC Brand
HPI Racing
RC Vehicle OEM / Model Number(s)
115123
RCScrewZ Kit Part Number
hpi091r

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
115123
RC Chassis Compatibility
Not currently verified.
Compatible Vehicle Type
1/5 Gasoline 2WD On-Road Sedan / On-Road Car
Terrain Compatibility
Compatible Scale
1:5
Compatible Fuel Type
Gas

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

Compatibility Title: HPI Racing Baja 5R 1970 Ford Mustang Boss 302 Rubber-Shielded Bearings Compatibility

Quick Fit Summary:

  • Compatible Brand: HPI Racing

  • Fit: Model-specific for the listed RC model/platform: Baja 5R 1970 Ford Mustang Boss 302

  • Compatible RC Model/OEM Numbers: 115123

  • Scale: 1/5 Scale

  • Power Source / Fuel Type: Gasoline

  • Battery / Cell Count: Not currently verified.

  • Drive Type: 2WD

  • Vehicle Type: On-Road Sedan / On-Road Car

  • Chassis: Not currently verified.

  • Era: Not currently verified.

  • OEM / Models: 115123

  • RC Model Terrain: On-Road

  • Terrain Compatibility: On-Road

  • Release / Catalog Date: Not currently verified.

OEM Alias Coverage: HPI Racing Baja 5R 1970 Ford Mustang Boss 302; OEM / Models: 115123

This Kit Details:

  • SKU: hpi091r

  • MPN: hpi091r

  • Bearing Type: Rubber-Shielded Bearings (Off-Road / Sealed)

  • Bearing Sizes Included: Not currently verified.

  • Sealed Bearings: Yes

  • Water/Dust Protection: Sealed protection against dirt, dust, and debris

  • Product Material: Carbon Chrome Steel Bearings

  • Product Color: Silver

  • Product Benefits: Sealed protection, durability, and dependable RC drivetrain support in dusty or debris-prone conditions.

  • Reason to Purchase: Choose rubber shielded bearings for sealed protection when dust and debris protection matters more than metal shielded bearings and the lowest possible rolling drag.

  • Fitment Note: Match each included bearing size to the removed factory bearing, press bearings in squarely, and check for smooth movement before running the RC model.

Rubber-Sealed Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
hpi091r
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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Stainless Screw Kit

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Current price: $69.88 Compare-at price: $79.95 Save $10.07 In stock View Stainless Screw Kit

Metal-Shielded Bearing Kit

For HPI Baja 5R 1970 Mustang Boss 302 1/5 Gas 2WD On-Road (115123) OEM/model: 115123
Current price: $69.88 Compare-at price: $79.95 Save $10.07 In stock View Metal-Shielded Kit
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Fits: HPI Baja 5R 1970 Mustang Boss 302 1/5 Gas 2WD On-Road (115123)
$69.88