Bearing 6203

🔧 CFMoto Deep Groove Ball Bearing 6203

📦 Part Number: 30400-01705

⚙️ Bearing 6203 · Deep Groove Ball Bearing · OEM Spec

📍 Installation: Driveline · Engine/Transmission/Wheel hub

✅ Single unit · Premium bearing steel · OEM specification · Fits multiple CFMoto ATV/SSV models

This is a CFMoto OEM-spec deep groove ball bearing, model 6203, part number 30400-01705, sold as a single unit. This bearing features an inner diameter of 17mm, outer diameter of 40mm, and width of 12mm. It is suitable for supporting and locating rotating components in driveline systems, engines, transmissions, and wheel hubs — offering simple structure, low friction, and high-speed capability.

Bearings are subjected to high speeds and loads. Over time, they may develop play, noise, or even seize due to wear, fatigue, or lubrication failure — affecting transmission efficiency and driving safety. Replacing them promptly with an OEM-spec bearing is essential to restore mechanical precision, reduce operating noise, and extend service life.

• ✅ OEM Specification: Manufactured to CFMoto's original technical standards. Dimensions and tolerances are identical to genuine parts.
• 🛡️ Premium Bearing Steel: Made from high-purity bearing steel with heat treatment and precision grinding for excellent wear and fatigue resistance.
• 🔧 Precision Machining: Precision-ground raceways and rolling elements for smooth operation and low noise.
• 💪 Versatile Application: The widely used 6203 model fits a variety of rotating components.
• 🔄 Direct Replacement: Can be used to directly replace worn, noisy, or damaged original bearings.

✅ Typical signs that the bearing needs replacement:
• Unusual noise (humming, grinding, or clicking) from the transmission or rotating component.
• Noticeable play or excessive clearance in the rotating component.
• Abnormally high operating temperature of the bearing.
• Damaged seal, grease leakage, or corrosion.
• Inspection reveals wear or spalling on the raceways or balls.
If any of these signs appear, please inspect and replace the bearing promptly.

✅ Installation Tips:
1. Confirm the bearing model is 6203 and part number 30400-01705 matches your vehicle.
2. Use a proper puller tool to remove the old bearing without damaging the housing.
3. Clean the bearing housing and shaft journal, removing oil and debris.
4. Inspect the housing and shaft journal for wear or damage.
5. When installing the new bearing, use a press or proper sleeve — avoid hammering.
6. After installation, check that the bearing rotates smoothly with no binding.
7. Apply grease as per factory specifications (if applicable).
Professional installation is recommended. Maintain cleanliness to prevent contaminants from entering the bearing.

⚠️ Important Notice: This product is a CFMoto deep groove ball bearing 6203, part number 30400-01705, single unit. Fits the listed CFMoto ATV/SSV models. Minor variations may exist between production batches. If your specific model is not listed, please contact us with your VIN to confirm compatibility. Images are for reference only; actual product may differ slightly.