71802 CDGB/P4
71800 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
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71802 CDGB/P4 Bearing Product Overview & Core Advantages
The 71802 CDGB/P4 is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4 tolerance class, this metric bearing features a light preload (Class B) and is universally matchable (SU), allowing for precise axial positioning and optimal performance in paired arrangements. Its compact design with a 15 mm bore and 5 mm width enables space-saving solutions while delivering reliable operation under combined radial and axial loads.
71802 CDGB/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71802 | Basic bearing designation: 15 mm bore, 24 mm OD, 5 mm width |
| C | 15° contact angle for optimal axial load capacity |
| D | Light preload (Class B) for reduced deflection and vibration |
| G | Universal matching capability (SU) for precise paired mounting |
| B | Phenolic resin cage for reduced weight and smooth high-speed operation |
| /P4 | High-precision tolerance class for exceptional running accuracy |
71802 CDGB/P4 Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4 tolerance standards with tight dimensional control (bore/OD tolerance: -0.004mm to 0), ensuring minimal runout and vibration for precision applications.
Optimized Load Capacity: The 15° contact angle and chrome steel construction provide excellent combined load capacity, handling both radial loads (515 lbf dynamic) and axial loads simultaneously.
High-Speed Performance: The phenolic resin cage and optimized internal geometry enable smooth operation at limiting speeds up to 95,000 rpm, making it ideal for high-speed spindle applications.
Universal Matching Capability: Designed as universally matchable (SU) bearings, they can be paired in any combination to achieve required preload and stiffness without selective matching.
71802 CDGB/P4 Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles
- High-Speed Motors: Precision electric motors and servo drives
- Medical Equipment: Dental handpieces and surgical tools
- Aerospace Systems: Guidance systems and instrumentation
- Precision Instruments: Measuring devices and optical equipment
