7034 CD/HCP4A
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
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7034 CD/HCP4A Bearing Product Overview & Core Advantages
The 7034 CD/HCP4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Designed to accommodate primarily axial loads in one direction, this bearing features a 15° contact angle and is supplied with a light preload, ensuring minimal deflection and stable operation under high-speed conditions. Its construction with ceramic balls and a phenolic cage contributes to reduced friction, lower operating temperatures, and extended service life, making it an ideal choice for demanding, high-performance systems.
7034 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Indicates a duplex bearing arrangement with a specific preload and mounting configuration. |
| HC | Refers to the use of Hybrid Ceramic balls (silicon nitride), offering advantages in high-speed and high-temperature applications. |
| P4 | Denotes a P4 tolerance class (ABEC-7), signifying very high precision and tight dimensional control. |
| A | Specifies a 30° contact angle design (Note: Specification sheet indicates 15°, the 'A' suffix may refer to a standard angular contact design variant). |
7034 CD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The P4 tolerance class and light preload ensure minimal runout and high system stiffness, critical for maintaining accuracy under load.
- Superior High-Speed Capability: The combination of a lightweight phenolic resin cage and low-density ceramic balls reduces centrifugal forces, enabling stable operation at the high limiting speed of 10,000 rpm.
- Enhanced Durability & Performance: Hybrid ceramic construction provides inherent electrical insulation, reduced thermal expansion, and superior performance in lubricant-starved or high-temperature environments up to 110°C.
- Optimized Load Capacity: The 15° contact angle is optimized to handle significant axial loads while also supporting moderate radial loads, offering excellent combined load performance.
7034 CD/HCP4A Bearing Typical Application Areas
The 7034 CD/HCP4A is designed for high-end, precision-driven machinery. Its key applications include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring extreme accuracy and rigidity.
- Precision Robotics: In robot arm joints and high-precision actuators where repeatability and low friction are paramount.
- High-Frequency Motor Spindles: Used in electric motors for CNC machinery and high-speed hand tools.
- Advanced Aerospace & Defense Systems: In gyroscopes, navigation systems, and other critical components demanding reliability and high-speed operation.
