71960 ACDMA/P4A
71900 Series Super Precision Angular Contact Ball Bearings
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71960 ACDMA/P4A Bearing Product Overview & Core Advantages
The 71960 ACDMA/P4A is a single-row angular contact ball bearing engineered for applications demanding high precision and exceptional performance under combined loads. Its design is optimized to support significant axial loads in one direction alongside radial loads, making it a critical component for systems requiring high rigidity and rotational accuracy. Manufactured to a P4 (ABEC-7) tolerance class and featuring a phenolic cage, this bearing is designed for high-speed operation and reliable performance in demanding industrial environments.
71960 ACDMA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71960 | Basic bearing series and size designation |
| AC | Angular Contact design with a 25° contact angle |
| DM | Duplex Matched set designation (this is a single, pre-set bearing) |
| A | Specific internal design and contact angle |
| P4 | High-Precision Tolerance Class (equivalent to ABEC-7) |
71960 ACDMA/P4A Bearing Structural Features & Performance Benefits
High Precision & Rigidity: Manufactured to P4 tolerance standards, this bearing ensures minimal runout and vibration, providing the high rigidity necessary for precision applications. The optimized 25° contact angle effectively manages combined loads.
Superior Load Capacity: With a dynamic load rating of 78,975 lbf and a static load rating of 126,000 lbf, it is built to handle demanding combination load scenarios.
Optimized High-Speed Performance: The lightweight, robust phenolic cage is instrumental in achieving the high limiting speed of 3,800 rpm, reducing centrifugal forces and maintaining stability.
Durable Material Construction: Components made from chrome steel (rings and balls) ensure high wear resistance and long service life, suitable for a wide operating temperature range from -30°C to 110°C.
71960 ACDMA/P4A Bearing Typical Application Areas
The 71960 ACDMA/P4A is ideally suited for high-performance machinery where precision and speed are critical. Key applications include:
- Machine Tool Spindles
- High-Speed Industrial Pumps and Compressors
- Precision Gearboxes
- Aerospace Actuation Systems
