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Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ rubber-sealed bearing kit for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy; exact bearing sizes and quantities vary by RC model.

RCScrewZ Rubber Shielded Bearing Kit ofn010r for OFNA Racing Ultra MBX R2 1/8 Nitro Buggy | SET

RCScrewZ

SKU: ofn010r

Regular price
$53.67
Sale price
$53.67
Regular price
$59.95
Shipping, stock & payment info
Quick snapshot of availability, estimated delivery, and our shipping/returns.

Available Quantity: 100

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

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This page shows the Rubber-Shielded Bearing Kit for this RC model — view all compatible Screw and Bearing kits for this RC model by clicking this link:

Ofna Ultra MBX R2 — Compatible Kits by RCScrewZ (Screws & Bearings)

Pro tip: Most builders grab a Stainless Screw Kit and a Bearing Kit for this RC model so everything wears evenly.

Quick Fit Summary
  • Compatible Brand: OFNA Racing
  • RC Model: OFNA Racing Ultra MBX R2 1/8 Nitro Buggy
  • Scale: 1:8
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Chassis: OFNA Racing Ultra MBX R2 Chassis
  • Era: Not currently verified.
Quick Fit Summary — Full Details

Quick Fit Summary

Key fit details for your RC model, plus what’s in this kit.

RC Model Fit & Specs

  • Compatible Brand: OFNA Racing
  • Fit: OFNA Racing Ultra MBX R2 1/8 Nitro Buggy
  • Scale: 1:8
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Vehicle Type: 1/8 Nitro Buggy
  • Chassis: OFNA Racing Ultra MBX R2 Chassis
  • Era: Not currently verified.
  • RC Model Terrain: Off-Road Racing

This Kit Details

  • SKU: ofn010r
  • MPN: ofn010r
  • Product: RC Bashing Bearing Protection Set
  • Bearing Type: Rubber-Sealed (Off-Road)
  • Sealed Bearings: Yes
  • Water/Dust Protection: Sealed against dirt & splash
  • Product Material: Dust-Resistant Carbon Chrome
  • Product Color: Silver
  • Bearing Sizes Included: 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!
  • Tips: Seat fully · Do not over-tighten · After wet runs: clean, dry, re-lube
  • Install: ≈60 min; recheck torque after first run
  • Country of Origin: United States
Full Product Description

Exact RC Model Fitment

Confirm the exact RC model and RC vehicle OEM/model number below before ordering.

Compatible RC Model
OFNA Racing Ultra MBX R2 1/8 Nitro Buggy
Compatible RC Brand
OFNA Racing
RC Vehicle OEM / Model Number(s)
RCScrewZ Kit Part Number
ofn010r

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
RC Chassis Compatibility
OFNA Racing Ultra MBX R2 Chassis
Compatible Vehicle Type
1/8 Nitro Buggy
Terrain Compatibility
Compatible Scale
1:8
Compatible Fuel Type
Nitro & Glow Fuel

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

Rubber Shielded Bearing Kit Compatibility:

Model-specific fitment for OFNA Racing Ultra MBX R2.

Quick Fit Summary:

  • Compatible Brand: OFNA Racing
  • Fit: Model-specific fitment for Ultra MBX R2
  • Compatible RC Model/OEM Numbers: Not currently verified.
  • Scale: 1/8
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Battery / Cell Count: Not applicable.
  • Drive / Vehicle Type: 1/8 Nitro Buggy
  • Chassis: OFNA Racing Ultra MBX R2 Chassis
  • Era: Not currently verified.
  • RC Model Terrain: Off-Road Racing

This Kit Details:

  • SKU / MPN: ofn010r
  • Kit Type: Rubber Shielded Bearing Kit
  • Bearing Type: Rubber-Shielded / Sealed
  • Sealed Bearings: Yes
  • Product Material: Carbon Chrome Steel Bearings
  • Bearing Size Details: Not currently verified.
  • Product Color: Silver

OEM / Model Code / Alias Coverage:

Not currently verified.

Model Family Coverage:

Ultra MBX R2, Ultra MBX

Product Benefits:

  • Sealed protection against dirt, dust and debris
  • Well suited to off-road, dusty and dirty running conditions

Reason to Purchase:

Choose rubber-shielded bearings when sealed dirt, dust and debris protection is more important than the lowest possible drag.

Fitment Note:

Confirm your exact OFNA Racing model and version before installation. Fitment is limited to the verified RCScrewZ family coverage shown here.

Search-Friendly Notes:

OFNA Racing Ultra MBX R2; Ultra MBX R2, Ultra MBX; 1/8 Nitro Buggy.

Rubber-Sealed Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
ofn010r
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.

Fits: OFNA Racing Ultra MBX R2 1/8 Nitro Buggy
$53.67

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