71906 CE/HCP4ADT
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
71906 CE/HCP4ADT Bearing Product Overview & Core Advantages
The 71906 CE/HCP4ADT is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional speed capabilities and rigidity. This duplex tandem (DT) matched set features two bearings preloaded against each other, enabling it to handle significant axial loads in one direction while maintaining extreme rotational accuracy. Manufactured to ABEC 7/P4A tolerance class, it incorporates a phenolic cage and ceramic balls, making it an ideal solution for high-speed spindles and other precision machinery where thermal stability and minimal vibration are critical.
71906 CE/HCP4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71906 | Basic bearing series and size designation (30mm bore, 47mm OD) |
| CE | Contact angle of 15° |
| HC | Hybrid Ceramic (Ceramic balls with steel rings) |
| P4A | High precision tolerance class (equivalent to ABEC 7) |
| DT | Duplex Tandem arrangement (two bearings matched for increased axial load capacity in one direction) |
71906 CE/HCP4ADT Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, enabling higher operating speeds while providing superior electrical insulation and corrosion resistance.
Duplex Tandem Preload: The two bearings are factory-matched and preloaded in a tandem arrangement, creating a rigid bearing system capable of handling heavy axial loads in one direction without requiring additional adjustment during installation.
High-Speed Phenolic Cage: The lightweight phenolic resin cage offers excellent dimensional stability at high temperatures and speeds, contributing to the bearing's limiting speed of 100,500 rpm.
Precision P4A Tolerance: Manufactured to P4A precision class, this bearing ensures minimal runout and vibration, making it suitable for applications demanding the highest levels of rotational accuracy.
71906 CE/HCP4ADT Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and grinding spindles
- Precision Robotics: High-accuracy robotic arm joints and servo motors
- Aerospace Systems: Gyroscopes, navigation instruments, and auxiliary power units
- Medical Equipment: Dental handpieces, surgical drill motors, and laboratory centrifuges
- Semiconductor Manufacturing: Wafer handling robots and precision positioning stages
