7020 ACE/P4BVG275
7000 Series Super Precision Angular Contact Ball Bearings
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7020 ACE/P4BVG275 Bearing Product Overview & Core Advantages
The 7020 ACE/P4BVG275 is a single-row angular contact ball bearing engineered for applications requiring high precision and exceptional performance under combined loads. This P4 (ABEC-7) tolerance class bearing is designed to accommodate significant axial loads in one direction while simultaneously handling radial loads. Its optimized internal geometry and phenolic cage contribute to superior high-speed capabilities and operational stability, making it an ideal choice for demanding, high-rigidity applications where accuracy is paramount.
7020 ACE/P4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | Specific internal design and contact angle (25°) optimized for combined loads |
| P4 | High precision tolerance class (equivalent to ABEC-7) |
| BVG | Designation for phenolic cage and specific internal configuration |
| 275 | Identifier for specific preload and internal clearance values |
7020 ACE/P4BVG275 Bearing Structural Features & Performance Benefits
High Rigidity & Precision: Manufactured to P4 tolerance class with a 25° contact angle, this bearing provides exceptional running accuracy and dimensional stability, crucial for maintaining precision in high-speed applications.
Superior Load Capacity: Engineered specifically for combined loads, the optimized raceway geometry and 27 chrome steel balls enable efficient handling of both radial and substantial one-direction axial loads.
Enhanced High-Speed Performance: The phenolic cage offers excellent strength-to-weight ratio and smooth operation at the limiting speed of 11,200 rpm, reducing friction and heat generation.
Optimized Preload: Available with factory-set preload (as indicated by suffix 275) to eliminate internal clearance, ensuring precise shaft positioning and increased system stiffness.
7020 ACE/P4BVG275 Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- High-Speed Motors - Industrial motors and spindle drives requiring precision and speed
- Precision Instrumentation - Medical equipment and measuring devices
- Aerospace Components - Guidance systems and auxiliary power units
- Robotics - High-accuracy robotic arms and positioning systems
