7020 ACD/P4ALDGA
7000 Series Super Precision Angular Contact Ball Bearings
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7020 ACD/P4ALDGA Bearing Product Overview & Core Advantages
The 7020 ACD/P4ALDGA is a precision angular contact ball bearing manufactured to P4A tolerance class standards. Engineered for applications demanding exceptional rotational accuracy and rigidity, this bearing features an Extra light preload (Class A) and Universal Matchable (SU) design, enabling precise paired arrangements without selective mounting. Its optimized 25° contact angle provides superior performance under combined radial and axial loads, making it ideal for high-speed, high-precision machinery where dimensional stability and minimal runout are critical.
7020 ACD/P4ALDGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with 25° contact angle |
| P4A | High precision tolerance class (superior to ABEC 7) |
| LD | Light preload designation |
| GA | Universal Matchable bearing set |
7020 ACD/P4ALDGA Bearing Structural Features & Performance Benefits
Premium Material Construction: Manufactured from chrome steel for both rings and balls, ensuring high durability and wear resistance in demanding applications.
High-Speed Capability: Features a phenolic resin cage that reduces friction and enables limiting speeds up to 16,000 rpm, making it suitable for high-rotation applications.
Exceptional Load Capacity: With a radial dynamic load rating of 28,575 lbf and static load rating of 36,000 lbf, this bearing reliably handles significant combined loads while maintaining precision.
Precision Engineering: The P4A tolerance class ensures minimal dimensional variation, while the open seal design allows for optimal lubrication flow and heat dissipation in controlled environments.
Universal Matching Capability: As a Universal Matchable (SU) bearing, it can be paired with identical bearings to form precisely matched sets without selective assembly, simplifying installation and ensuring consistent performance.
7020 ACD/P4ALDGA Bearing Typical Application Areas
- Machine tool spindles and high-precision machining centers
- High-speed industrial pumps and compressors
- Precision instrumentation and measuring equipment
- Aerospace components and navigation systems
- Medical equipment requiring high rotational accuracy
- Robotic joints and automation systems
