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RCScrewZ Metal Shielded Bearing Kit ara030b for ARRMA Senton 3S BLX 1/10 Electric 4WD Brushless Short Course Truck (ARA102721, 102721) | RCX
RCScrewZ
SKU: ara030b
- 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 Metal-Shielded Bearing Kit for this RC model — view all compatible Screw and Bearing kits for this RC model by clicking this link:
Arrma RC Senton 3s BLX (#102721) — 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: Arrma
- RC Model: ARRMA SENTON 3S BLX 1/10 Electric 4WD SCT (ARA102721)
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Chassis: ARRMA SENTON 3S BLX 4X4 (ARA102721)
- Era: Contemporary Era (2010-2019)
- OEM / Models: ARA102721, 102721
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: Arrma RC
- Fit: ARRMA SENTON 3S BLX 1/10 Electric 4WD SCT (ARA102721)
- Compatible RC Model Numbers: ARA102721 · 102721
- Scale: 1:10
- Power Source / Fuel Type: Electric
- Vehicle Type: 1/10 Electric 4WD Short Course Truck
- Chassis: ARRMA SENTON 3S BLX 4X4 (ARA102721)
- Era: Contemporary Era (2010-2019)
- RC Model Terrain: Off-Road: Dirt, Grass, Gravel & Short Course
This Kit Details
- SKU: ara030b
- MPN: ara030b
- Product: Performance RC Bearing Rebuild Kit
- Bearing Type: Metal-Shielded (On-Road)
- Sealed Bearings: No
- Water/Dust Protection: Low-drag, not sealed
- Product Material: Carbon Chrome Bearings
- Product Color: Silver
- Bearing Sizes Included: 5x8x2.5mm bearings · 6x12x4mm bearings · 10x15x4mm bearings · 10x15x4mm flanged bearings · 12x18x4mm bearings
- Tips: Seat fully · Do not over-tighten · After cleaning: add light oil
- 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
- ARRMA SENTON 3S BLX 1/10 Electric 4WD SCT (ARA102721)
- Compatible RC Brand
- Arrma
- RC Vehicle OEM / Model Number(s)
- ARA102721, 102721
- RCScrewZ Kit Part Number
- ara030b
Vehicle Compatibility Details
Review these vehicle details to help confirm compatibility with your RC model.
- RC Vehicle OEM / Model Number(s)
- ARA102721, 102721
- RC Chassis Compatibility
- ARRMA SENTON 3S BLX 4X4 (ARA102721)
- Compatible Vehicle Type
- 1/10 Electric 4WD Short Course Truck
- Terrain Compatibility
- Compatible Scale
- 1:10
- Compatible Fuel Type
- Electric
What Is Included
Included bearing sizes for this Metal-Shielded Bearing Kit:
- 5x8x2.5mm bearings
- 6x12x4mm bearings
- 10x15x4mm bearings
- 10x15x4mm flanged bearings
- 12x18x4mm 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
Metal Shielded Bearing Kit Compatibility:
Quick Fit Summary:
Compatible Brand: ARRMA
Fit: Model-specific fitment for ARRMA SENTON 3S BLX
Compatible RC Model/OEM Numbers: ARA102721, 102721
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: 2S or 3S LiPo
Drive Type: 4WD
Vehicle Type: Short Course Truck
Chassis: ARRMA SENTON 3S BLX 4X4 (ARA102721)
Era: Contemporary Era (2010-2019)
OEM / Models: ARA102721, 102721
RC Model Terrain: Off-Road: Dirt, Grass, Gravel & Short Course
This Kit Details:
SKU: ara030b
MPN: ara030b
Kit Type: Metal Shielded Bearing Kit
Bearing Type: Metal-Shielded (On-Road / Low-Drag)
Sealed Bearings: No
Water/Dust Protection: Low-drag, not sealed
Product Material: Carbon Chrome Steel Bearings
Product Color: Silver
Bearing Size Details:
- 5x8x2.5mm bearings
- 6x12x4mm bearings
- 10x15x4mm bearings
- 10x15x4mm flanged bearings
- 12x18x4mm bearings
OEM / Model Code / Alias Coverage:
- ARA102721, 102721
Model Family Coverage:
- SENTON
- SENTON 3S
- 3S BLX
- Short Course
Release / Date Evidence:
- Retail Availability Date: 2019.
Product Benefits:
- Metal shielded bearings are tuned for reduced friction, low-drag performance, and a smooth drivetrain feel in clean, dry, low-debris running conditions.
- Best for race prep, bench rebuilds, street-bash builds, speed-run builds, display builds, or controlled conditions where lowest rolling drag matters.
Fitment Note: Confirm your ARRMA OEM/model number against the codes above before ordering. This kit is intended for the listed ARRMA model family only.
Search-Friendly Notes: Compatible ARRMA senton 3s blx screw kit and bearing kit fitment data for J-M SUPPLIES RC buyers searching ARRMA parts, ARRMA screws, ARRMA bearings, and RCScrewZ model-specific hardware.
Metal-Shielded Bearing Kit Details
Review the bearing-kit details below before ordering.
- RCScrewZ Kit Part Number
- ara030b
- Product Brand
- RCScrewZ
- Shielding Type
- Metal-Shielded (On-Road)
- Sealed Bearing Status
- No
- Bearing Material
- Carbon Chrome Bearings
- 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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