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Representative image of an RCScrewZ rubber-sealed bearing kit for Kyosho Inferno MP777 SP2 1/8 Nitro 4WD Buggy (31779); 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: 'Choose Wisely for Your Need for Speed' – Highlights Metal Shielded Bearings as the top choice for unbeatable on-road RC car performance - kyo062r
Infographic: 'Choose Wisely for Off-Road Adventuring' – Recommends Rubber Sealed Bearings for maximum protection and enhanced off-road performance in RC vehicles - kyo062r
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 - kyo062r
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 - kyo062r
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 - kyo062r
RCScrewZ and J-M SUPPLIES offer high-quality RC bearing kits, available as metal shielded or rubber sealed options, suitable for diverse RC needs - kyo062r
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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 - kyo062r
Infographic reminder: Refer to the item description for more detailed information about the product - kyo062r
Infographic reminder: Refer to the item description for more detailed information about the product - kyo062r
Notice: Check the product description for detailed information on the specific bearing sizes included in this bearing kit - kyo062r

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 kyo062r for Kyosho Inferno MP777 SP2 1/8 Nitro 4WD Off-Road Racing Buggy (31779) | SET

RCScrewZSKU: kyo062r

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

Fits: Kyosho Inferno MP777 SP2 1/8 Nitro 4WD Buggy (31779)
OEM / model: 31779

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.

Exact model check

Confirm This Fits Your RC

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

RC model
Kyosho Inferno MP777 SP2 1/8 Nitro 4WD Buggy (31779)
OEM / model number
31779
Kit type
Rubber-Shielded Bearing Kit — Sealed for Off-Road Protection
Scale
1:8
Power
Nitro & Glow Fuel
View all verified kits for this model →
More compatibility details
RC brand
Kyosho
Vehicle class
Land
Kit SKU
kyo062r
Model series
Inferno, Inferno MP777, MP777 SP2
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 flanged bearings
  • 5x10x4mm bearings
  • 6x10x3mm bearings
  • 8x16x5mm 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
Kyosho Inferno MP777 SP2 1/8 Nitro 4WD Buggy (31779)
Compatible RC Brand
Kyosho
RC Vehicle OEM / Model Number(s)
31779
RCScrewZ Kit Part Number
kyo062r

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
31779
RC Chassis Compatibility
Kyosho Inferno MP777 SP2 4WD buggy chassis (31779)
Compatible Vehicle Type
1/8 Nitro 4WD Off-Road Racing 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:

  • 5x8x2.5mm flanged bearings
  • 5x10x4mm bearings
  • 6x10x3mm bearings
  • 8x16x5mm 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

Rubber Shielded Bearing Kit Compatibility:

Quick Fit Summary:

  • Compatible Brand: Kyosho

  • Fit: Model-specific fitment for Kyosho Inferno MP777 SP2.

  • Compatible RC Model/OEM Numbers: Kyosho Inferno MP777 SP2 (31779)

  • Scale: 1/8

  • Power Source / Fuel Type: Nitro

  • Battery / Cell Count: Not applicable - nitro powered.

  • Drive Type: 4WD

  • Vehicle Type: 1/8 Nitro 4WD Off-Road Racing Buggy

  • Chassis: Kyosho Inferno MP777 SP2 4WD buggy chassis (31779)

  • Era: Modern Transition (2000-2009)

  • OEM / Models: 31779

  • RC Model Terrain: Off-Road: Dirt, Clay & Nitro Buggy Tracks

This Kit Details:

  • SKU: kyo062r

  • MPN: kyo062r

  • Kit Type: Rubber Shielded Bearing Kit

  • Bearing Type: Rubber-Shielded Bearings (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 flanged bearings, 5x10x4mm bearings, 6x10x3mm bearings, 8x16x5mm bearings

OEM / Model Code / Alias Coverage:

Kyosho Inferno MP777 SP2 (31779). Verify the OEM/model number in your manual, box, or chassis paperwork to confirm fitment before ordering.

Model Family Coverage:

Inferno, Inferno MP777, MP777 SP2

Legacy Kit-Specific Note To Preserve:

Bearing sizes found: 5x8x2.5mm flanged, 5x10x4mm, 6x10x3mm, 8x16x5mm

Product Benefits:

  • Rubber shielded bearings add sealed protection against dirt, dust, and debris for outdoor or off-road RC use.

  • Helpful for dusty storage, parking-lot running, grass, clay, loose dirt, snow, or mixed-surface driving.

Reason to Purchase:

Choose rubber shielded bearings when contamination protection matters more than the lowest possible rolling drag. They are the better choice for off-road, dusty, dirty, wet, snowy, or debris-prone RC use compared with metal shielded bearings tuned for low drag.

Fitment Note:

This is a model-specific RCScrewZ kit for Kyosho Inferno MP777 SP2. Match your Kyosho OEM/model number or model series to 31779 before ordering.

Search-Friendly Notes:

Common buyer searches include Kyosho Inferno MP777 SP2 parts, Kyosho Inferno MP777 SP2 screw kit, Kyosho Inferno MP777 SP2 bearings, and Kyosho RC replacement hardware.

Rubber-Sealed Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
kyo062r
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

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Fits: Kyosho Inferno MP777 SP2 1/8 Nitro 4WD Buggy (31779)
$53.67