The NBC 6203 Wheel Bearing is a high-precision, deep-groove ball bearing that serves as a standard replacement part for the wheel assemblies of most Royal Enfield motorcycles. Manufactured by National Engineering Industries Ltd (NBC), it is engineered to handle both radial and axial loads, ensuring stable rotation and smooth handling.
Key Features
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Reduced Friction: Designed for low-friction operation, which enhances wheel efficiency and prevents overheating during long rides.
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High Load Capacity: Built to withstand heavy radial loads and vibrations typical of Indian road conditions.
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Precision Alignment: Ensures proper wheel alignment, leading to a safer, vibration-free riding experience.
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Durable Construction: Made from high-quality alloy steel for long-lasting performance and resistance to wear and tear.
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Quiet Operation: Optimized for low noise and minimal vibration, maintaining the classic ride feel of the motorcycle.
Technical Specifications
| Feature | Details |
| Part Number | 150324/A (Genuine RE Reference) |
| Bore Diameter (Inner) | 17 mm |
| Outside Diameter | 40 mm |
| Width | 12 mm |
| Bearing Type | Single Row Deep Groove Ball Bearing |
| Compatibility | Classic (350/500), Bullet (350/500), Thunderbird, Interceptor 650, Himalayan 411 |









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