RC Nitro One Way Bearing Hex Nut 12mm/14mm – HSP 1/10 94188
RC Nitro One Way Bearing Hex Nut 12mm/14mm – HSP 1/10 94188
One Way Bearing Hex Nut for RC Nitro Engine – 12mm & 14mm
Keep your HSP RC model car running at peak performance with this precision-machined One Way Bearing Hex Nut. Designed specifically for 1/10 scale nitro-powered RC cars — including the popular HSP 94188 — this replacement part ensures smooth, reliable one-directional engagement between your nitro engine's pull-start and flywheel assembly.
Available in two sizes to fit a wide range of SH nitro engines, this black metal hex nut bearing is a must-have spare for any serious RC hobbyist.
Key Features
- Two Size Options: 12mm outside diameter (fits SH 21, SH 18, SH 16 engines) and 14mm outside diameter (fits SH 28 engine)
- Durable Metal Construction: Precision-machined from metal for lasting strength and consistent performance
- One-Way Bearing Design: Allows smooth pull-start operation and prevents back-spin during engine startup
- Direct Replacement: Compatible with HSP 1/10 RC model car (model 94188) and similar nitro platforms
- Easy to Install: Drop-in replacement with no modifications required
- Color: Black
- Package Contents: 1 x One Way Bearing Hex Nut (R025)
Compatibility
| Size | Compatible Engine(s) |
|---|---|
| 12mm OD | SH 21, SH 18, SH 16 Nitro Engines |
| 14mm OD | SH 28 Nitro Engine |
Made in Mainland China.
Note: Due to screen color calibration differences, the actual product color may vary slightly from the images shown.
Related Products You May Like
- 4-Pack Deer Whistle Wildlife Alert Devices for Vehicles
- 25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit
- 34-Compartment Double-Sided Hardware Storage Box & Dividers
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What RC models is this one way bearing hex nut compatible with?
A: This one way bearing hex nut is designed for HSP 1/10 scale nitro RC model cars, specifically model 94188. The 12mm version fits SH 21, SH 18, and SH 16 nitro engines, while the 14mm version is made for the SH 28 nitro engine. Always check your engine model before ordering to ensure the correct size.
Q: What is the difference between the 12mm and 14mm versions?
A: The numbers refer to the outside diameter of the bearing. The 12mm outside diameter hex nut bearing fits smaller SH nitro engines (SH 16, SH 18, SH 21), while the 14mm version is designed for the larger SH 28 nitro engine. Select the size that matches your specific engine model for a proper fit.
Q: What material is this one way bearing hex nut made from?
A: Despite the product listing mentioning plastic in the general specifications, the actual part is constructed from metal, ensuring the durability and precision required for nitro RC engine applications. It is finished in black.
Q: How many pieces are included in the package?
A: Each package contains 1 piece — one one way bearing hex nut (R025) in your chosen size (12mm or 14mm).