7020 ACD/P4ATGB
7000 Series Super Precision Angular Contact Ball Bearings
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7020 ACD/P4ATGB Bearing Product Overview & Core Advantages
The 7020 ACD/P4ATGB is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Engineered to a P4A tolerance class, this bearing excels in supporting combined loads (radial and axial) simultaneously. Its universal matchable (SU) design allows for flexible mounting arrangements in preloaded sets, delivering optimized performance and high rigidity. The phenolic cage and light preload (Class B) contribute to superior high-speed capability, making it ideal for precision machinery where reliability and accuracy are paramount.
7020 ACD/P4ATGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | 25° contact angle design optimized for high axial load capacity and rigidity |
| P4A | High precision tolerance class with enhanced dimensional and running accuracy |
| TGB | Phenolic (textile reinforced) cage material enabling superior high-speed performance |
7020 ACD/P4ATGB Bearing Structural Features & Performance Benefits
Optimized Contact Angle & Rigidity: The 25° contact angle provides an ideal balance between radial and axial load capacity, delivering high rigidity for precise shaft positioning.
Superior Load Capacity: With a dynamic load rating of 38,700 lbf and static load rating of 54,000 lbf, this bearing handles significant combined loads in demanding applications.
High-Speed Performance: The phenolic cage and light preload (Class B) enable exceptional high-speed operation up to 16,000 rpm, reducing friction and heat generation.
Precision Engineering: Manufactured to P4A tolerance standards with tight dimensional controls (bore: -0.004mm to 0, OD: -0.004mm to 0) ensuring consistent precision bearing performance.
Universal Matching Capability: The SU designation allows for flexible arrangement in sets of three bearings, enabling optimized preload configurations for specific application requirements.
7020 ACD/P4ATGB Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- Precision Gearboxes - Industrial transmission systems requiring high accuracy
- High-Speed Motors - Electric motors and spindle drives
- Aerospace Components - Flight control systems and auxiliary power units
- Medical Equipment - Diagnostic imaging systems and surgical tools
- Robotics & Automation - Precision robotic arms and positioning systems
