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RCScrewZ Rubber Shielded Bearing Kit kyo186r for Kyosho Turbo Optima Gold 1/10 Electric 4WD Off-Road Racing Buggy (30619) | RCX
RCScrewZ
SKU: kyo186r
- Regular price
- $53.67
- Sale price
- $53.67
- Regular price
-
$59.95
Available Quantity: 100
Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay
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:
Kyosho Turbo Optima #30619C / Optima Gold #30617C) — 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.
- Compatible Brand: Kyosho
- RC Model: Kyosho Turbo Optima Gold 1/10 Electric 4WD Buggy (30619)
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Chassis: Kyosho Turbo Optima Gold 4WD Buggy Chassis (30619)
- Era: Next Gen Era (2020–Present)
- OEM / Models: 30619
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: Kyosho
- Fit: Kyosho Turbo Optima Gold 1/10 Electric 4WD Buggy (30619)
- Compatible RC Model Numbers: 30619
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Vehicle Type: 1/10 Electric 4WD Off-Road Racing Buggy
- Chassis: Kyosho Turbo Optima Gold 4WD Buggy Chassis (30619)
- Era: Next Gen Era (2020–Present)
- RC Model Terrain: Off-Road: Dirt, Clay & Vintage Tracks
This Kit Details
- SKU: kyo186r
- MPN: kyo186r
- Product: Off-Road RC Bearing Kit
- 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: 3x6x2.5mm bearings · 4x8x3mm flanged bearings · 5x10x4mm bearings · 10x15x4mm bearings
- 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
- Kyosho Turbo Optima Gold 1/10 Electric 4WD Buggy (30619)
- Compatible RC Brand
- Kyosho
- RC Vehicle OEM / Model Number(s)
- 30619
- RCScrewZ Kit Part Number
- kyo186r
Vehicle Compatibility Details
Review these vehicle details to help confirm compatibility with your RC model.
- RC Vehicle OEM / Model Number(s)
- 30619
- RC Chassis Compatibility
- Kyosho Turbo Optima Gold 4WD Buggy Chassis (30619)
- Compatible Vehicle Type
- 1/10 Electric 4WD Off-Road Racing Buggy
- Terrain Compatibility
- Compatible Scale
- 1:10
- Compatible Fuel Type
- Electric
What Is Included
Included bearing sizes for this Rubber-Sealed Bearing Kit:
- 3x6x2.5mm bearings
- 4x8x3mm flanged bearings
- 5x10x4mm bearings
- 10x15x4mm 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 Turbo Optima Gold, OEM model 30619.
Compatible RC Model/OEM Numbers: 30619
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified
Drive Type: 4WD
Vehicle Type: Off-Road Racing Buggy
Chassis: Kyosho Turbo Optima Gold 4WD Buggy Chassis (30619)
Era: Next Gen Era (2020–Present)
OEM / Models: 30619
RC Model Terrain: Off-Road: Dirt, Clay & Vintage Tracks
This Kit Details:
SKU: kyo186r
MPN: kyo186r
Kit Type: Rubber Shielded Bearing Kit
Bearing Type: Rubber-Shielded (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:
- 3x6x2.5mm bearings
- 4x8x3mm flanged bearings
- 5x10x4mm bearings
- 10x15x4mm bearings
OEM / Model Code / Alias Coverage: 30619
Model Family Coverage: Optima, Turbo Optima, Turbo Optima Gold, Legendary Series
Retail Availability Date: 2024 Reference
Product Benefits:
- Rubber shielded bearings add sealed protection for dirt, dust, debris, and mixed-surface RC use.
Reason to Purchase:
Choose rubber shielded bearings when added contamination protection matters more than the lowest possible rolling drag.
Fitment Note: Confirm your Kyosho OEM/model number matches 30619 before ordering. This is a model-specific RCScrewZ kit, not a generic assortment.
Search-Friendly Notes: Compatible with Kyosho Turbo Optima Gold 1/10 Electric 4WD Buggy (30619) for Kyosho RC rebuilds, repairs, maintenance, and upgrades.
Rubber-Sealed Bearing Kit Details
Review the bearing-kit details below before ordering.
- RCScrewZ Kit Part Number
- kyo186r
- 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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