Shield type
Rubber-Sealed (Off-Road)
Key features and intended use for this kit.
Rubber-Sealed (Off-Road)
Sealed against dirt & splash
Off-road / dirty conditions
Rubber-shielded bearings for land-based RC use where added protection from dust, dirt, sand, and mud is preferred.
Fits: Kyosho Ultima Pro XL 1/10 Electric 2WD Buggy (3117)
OEM / model: 3117, 3119
In stock
Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.
Match the RC model and OEM/model number below before ordering.
Review what is included, installation notes, shipping details, and complete kit information.
Kit Contents & Installation
Included bearing sizes for this kit:
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
Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay
Confirm the exact RC model and RC vehicle OEM/model number below before ordering.
Review these vehicle details to help confirm compatibility with your RC model.
Included bearing sizes for this Rubber-Sealed Bearing Kit:
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.
Rubber Shielded Bearing Kit Compatibility:
Quick Fit Summary:
Compatible Brand: Kyosho
Fit: Model-specific fitment for Kyosho Ultima Pro / Ultima Pro XL.
Compatible RC Model/OEM Numbers: 3117, 3119
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified
Drive Type: 2WD
Vehicle Type: Off-Road Buggy
Chassis: Ultima Pro / Pro XL
Era: Early Classics (1980-1989)
OEM / Models: 3117, 3119
RC Model Terrain: Off-Road: Dirt & Racing Tracks
This Kit Details:
SKU: kyo229r
MPN: kyo229r
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:
4x8x3mm bearings
5x10x4mm bearings
OEM / Model Code / Alias Coverage:
Compatible OEM/model codes for this Kyosho family: 3117, 3119.
Model Family Coverage:
Ultima, Ultima Pro, Ultima Pro XL
Product Benefits:
Rubber shielded bearings add sealed protection against dirt, dust, and debris for off-road and mixed-surface RC use.
Choose rubber shielded bearings when protection matters more than the lowest possible rolling drag.
Reason to Purchase:
Rubber shielded bearings are the better choice for dusty, dirty, clay, sand, or debris-prone RC conditions because they add sealed protection compared with metal shielded bearings tuned for lower drag.
Fitment Note:
Confirm your Kyosho model number before ordering. This kit is intended only for the listed model family and approved OEM/model codes.
Search-Friendly Notes:
Compatible with Kyosho Ultima Pro / Ultima Pro XL RC screw kit and bearing kit searches, including Ultima Pro XL replacement hardware and maintenance parts.
Review the bearing-kit details below before ordering.
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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These kits are verified for the same exact RC model and OEM/model number.