7004 CE/HCP4AH1
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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7004 CE/HCP4AH1 Bearing Product Overview & Core Advantages
The 7004 CE/HCP4AH1 is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. Engineered to accommodate combined radial and axial loads simultaneously, this bearing features a 15° contact angle for optimal load distribution. Its ceramic ball construction and P4A tolerance class ensure superior dimensional stability and rotational precision, making it ideal for high-speed, high-rigidity applications where reliability is paramount.
7004 CE/HCP4AH1 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Significance |
|---|---|---|
| CE | 15° contact angle design | Optimized for combined radial and axial loads |
| HC | Hybrid ceramic construction | Enhanced speed capability and reduced heat generation |
| P4A | Ultra-precision tolerance class | Superior running accuracy and dimensional stability |
7004 CE/HCP4AH1 Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of steel rings with ceramic balls provides excellent electrical insulation, reduced weight, and superior performance at high speeds. This construction significantly extends bearing service life in demanding conditions.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control (bore diameter tolerance: -0.004mm to 0), ensuring minimal runout and vibration for applications requiring exceptional rotational accuracy.
High-Speed Capability: The phenolic cage and optimized internal geometry enable operation at limiting speeds up to 100,000 rpm, making it suitable for high-speed spindle applications.
Enhanced Load Capacity: With a radial dynamic load rating of 1667 lbf and proper preload availability, this bearing maintains stiffness under combined loading conditions while supporting substantial operational demands.
7004 CE/HCP4AH1 Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring exceptional accuracy
- High-Speed Motors: Electric motors and generators operating at elevated rotational speeds
- Precision Instruments: Medical equipment, measuring devices, and laboratory instruments
- Aerospace Components: Guidance systems, actuators, and auxiliary power units
- Semiconductor Manufacturing: Wafer handling equipment and precision positioning systems
