7007 ACEGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7007 ACEGB/P4A Bearing Product Overview & Core Advantages
The 7007 ACEGB/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing delivers superior dimensional stability and running accuracy. Its 25° contact angle provides optimal axial load capacity while maintaining excellent radial load performance. The universal matching (SU) capability allows for flexible mounting arrangements in preloaded configurations, making it ideal for applications demanding high rigidity and minimal deflection under combined loading conditions.
7007 ACEGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7007 | Basic bearing series with 35mm bore, 62mm OD, 14mm width |
| AC | Angular Contact design with 25° contact angle |
| EGB | Optimized internal geometry for enhanced performance |
| P4A | High precision tolerance class with enhanced dimensional accuracy |
7007 ACEGB/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: The P4A tolerance class ensures minimal runout and vibration, critical for high-speed applications up to 56,000 rpm. The phenolic cage provides excellent strength-to-weight ratio and smooth operation at high speeds.
Superior Load Capacity: With a 25° contact angle, the bearing effectively handles combined radial and axial loads. The dynamic load rating of 2,498 lbf and static load rating of 1,418 lbf demonstrate its robust load-carrying capability.
Material Excellence: Constructed from chrome steel for both rings and balls, ensuring high hardness, wear resistance, and long service life. The optimized ball diameter of 7.144 mm and 17-ball configuration provide balanced load distribution.
Thermal Stability: Operating temperature range from -30°C to 110°C ensures reliable performance across various environmental conditions.
7007 ACEGB/P4A Bearing Typical Application Areas
- Machine tool spindles requiring high precision and rigidity
- High-speed machining centers and CNC equipment
- Precision grinding spindles and dental equipment
- Industrial pumps and compressors
- Robotics and automation systems
- Aerospace components and instrumentation
- Medical equipment requiring precise rotational accuracy
