71911 CEGA/HCP4AL
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
71911 CEGA/HCP4AL Bearing Product Overview & Core Advantages
The 71911 CEGA/HCP4AL is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and speed. Engineered with a 15° contact angle and Extra Light (Class A) preload, it delivers superior rotational precision and rigidity. A key feature is its Universal Matchable (SU) designation, allowing two bearings to be universally paired for optimal performance in preloaded arrangements. The combination of a ceramic ball material and P4A super-precision tolerance class makes it an ideal solution for high-speed, high-rigidity spindle systems.
71911 CEGA/HCP4AL Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71911 | Basic bearing series and size designation |
| CE | 15° contact angle design |
| GA | Universal matching bearing (SU designation) |
| HCP4A | Combination code indicating P4A tolerance class and specific internal design features |
| L | Pre-lubricated with grease |
71911 CEGA/HCP4AL Bearing Structural Features & Performance Benefits
High-Speed Capability: The phenolic resin cage and ceramic balls (Si3N4) significantly reduce centrifugal forces and friction, enabling a high limiting speed of 34,000 rpm. This makes it an exceptional high-speed bearing for demanding applications.
Superior Rigidity and Precision: The Extra Light preload (Class A) eliminates internal clearance, providing high system stiffness and precise rotational accuracy, which is critical for machining and positioning accuracy.
Optimized Load Capacity: The angular contact design is engineered to support combined loads, efficiently handling both radial and axial forces simultaneously.
Thermal Stability: The phenolic cage and ceramic balls offer excellent dimensional stability and performance across the specified temperature range of -30°C to 110°C.
71911 CEGA/HCP4AL Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance machinery where speed, accuracy, and rigidity are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and rotary actuators requiring high positional accuracy.
- High-Frequency Motors and Spindles: Applications in PCB drilling and semiconductor manufacturing equipment.
- Medical Equipment: High-speed dental handpieces and imaging scanner rotors.
