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Start ShoppingProX 23.6208NRC4 Crankshaft Bearing - High-Performance Engine Component for Powersports
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Description
Ensure optimal engine performance with ProX's precision-engineered crankshaft bearing designed for powersports vehicles. This critical engine component delivers reliable operation and extended durability under demanding conditions.
Key Features
- High-Strength Alloy Construction: Engineered to withstand extreme stress and vibration for long-lasting performance.
- Exact Fitment: Precision-machined for seamless compatibility with 23.6208NRC4 engine specifications.
- Low Friction Design: Reduces wear and heat buildup for smoother engine operation.
Why Choose This Product
Upgrade your engine's reliability with a crankshaft bearing built for power sports applications. This component ensures consistent performance, minimizes maintenance needs, and supports peak engine efficiency in off-road and high-speed environments.
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Ensure optimal engine performance with ProX's precision-engineered crankshaft bearing designed for powersports vehicles. This critical engine component delivers reliable operation and extended durability under demanding conditions.
Key Features
- High-Strength Alloy Construction: Engineered to withstand extreme stress and vibration for long-lasting performance.
- Exact Fitment: Precision-machined for seamless compatibility with 23.6208NRC4 engine specifications.
- Low Friction Design: Reduces wear and heat buildup for smoother engine operation.
Why Choose This Product
Upgrade your engine's reliability with a crankshaft bearing built for power sports applications. This component ensures consistent performance, minimizes maintenance needs, and supports peak engine efficiency in off-road and high-speed environments.| SKU | GM7A33FFA4 |
|---|---|
| MPN | 23.6208NRC4 |
| Brand | ProX |
| Category | Engine |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | CRF450R | 2009-2015 |
| Kawasaki | KX450F | 2010-2016 |
| Yamaha | YZ450F | 2008-2014 |
| Suzuki | RMZ450 | 2012-2018 |
Frequently Asked Questions
This is a single crankshaft main bearing (position specific). ProX offers full crankshaft kits separately.
Yes, confirmed fit for 2009-2015 Honda CRF450R models.
NRC4 indicates Nitrile rubber cage for high RPM and better heat resistance.
Best practice is to replace both main bearings during a bottom end rebuild.
No, apply assembly lube or engine oil before installation.
Installation Guide
Difficulty
Hard
Est. Time
4 hr 0 min
Tools Required
- Engine case splitter
- bearing puller/installer
- torque wrench
- micrometer
- heat gun
Pro Tips
- Use bearing driver tool to avoid damage. Apply assembly lube to rollers. Check crankshaft runout before install. Heat cases to 180°F for press fit.
Common Mistakes to Avoid
- Not preheating cases for bearing installation
- Incorrect orientation of caged rollers
- Over-torquing case bolts
Comparison vs Stock/OEM
ProX uses higher-grade steel rollers and nitrile cage vs. OEM pressed bearings
Improvements
- Better heat dissipation
- Smoother operation at high RPM
- Increased load capacity for modified engines
Considerations
- Slightly tighter tolerance requires precise installation
Durability & Warranty
Expected Lifespan
50-100 hours racing / 200+ hours trail use (with proper maintenance)
Warranty
1 year limited manufacturer warranty against defects
Maintenance
Inspect during top-end services; replace during bottom-end rebuilds (every 40-80 hours racing)
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