NBC BEARING 6203 BB-20
The 6203 BB‑20 deep-groove ball bearing is designed for high-performance applications that require smooth, reliable rotation and durability. Engineered for both radial and moderate axial loads, it provides stable operation with low friction, long service life, and minimal maintenance. Its precision construction ensures accurate fitment and reliable performance across a variety of mechanical and industrial equipment, including electric motors, automotive parts, and machinery components.
Key Features
- Deep-Groove Design: Handles radial and moderate axial loads efficiently.
- Low Friction: Reduces energy loss and heat generation, ensuring smooth operation.
- Durable Construction: Made from high-quality bearing steel for long service life.
- Precision Engineering: Tight tolerances ensure proper fit and consistent performance.
- Versatile Use: Suitable for motors, industrial machinery, automotive systems, and home appliances.
- Easy Maintenance: Standard size and design simplify replacement and lubrication.
Specifications
| Parameter | Value |
| Model / Part Number | 6203 BB‑20 |
| Bearing Type | Single-row deep-groove ball bearing |
| Bore Diameter (d) | 17 mm |
| Outer Diameter (D) | 40 mm |
| Width / Height (B) | 12 mm |
| Minimum Chamfer (rₘᵢₙ) | 0.6 mm |
| Dynamic Load Rating (Cᵣ) | ~9.6 kN |
| Static Load Rating (C₀ᵣ) | ~4.6 kN |
| Limiting Speed | Grease: ~18,000 rpm; Oil: ~21,000 rpm |
| Mass (Weight) | ~0.065 kg per bearing |
| Material | High-carbon chromium steel |
| Seal / Shield | Open (no seals) |
Benefits
- Provides reliable and smooth rotation for machinery and automotive applications.
- High durability for long-term use in demanding environments.
- Energy-efficient operation with minimal friction.
- Easy installation and replacement thanks to standardized dimensions.
- Suitable for both industrial and domestic applications.
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