7024 ACDGA/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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Product Overview and Core Advantages
The 7024 ACDGA/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. As a single bearing with Extra light preload (Class A), it delivers optimized stiffness with minimal friction, making it ideal for high-precision spindles and other critical machinery. Its 25° contact angle provides superior combined load capacity, effectively handling both radial and axial loads simultaneously. Manufactured to P4A tolerance class, this bearing ensures precise running accuracy and reliable operation in demanding environments.
7024 ACDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| AC | Angular Contact design with 25° contact angle |
| DGA | Universal Matchable bearing (can be paired in sets) |
| P4A | High precision tolerance class with specific running accuracy requirements |
| Open | No seals or shields, suitable for controlled environments with external lubrication |
Structural Features and Performance Benefits
High Precision Construction: The bearing features chrome steel rings and balls with P4A tolerance class, ensuring minimal runout and vibration for superior rotational accuracy.
Optimized Cage Design: The phenolic cage provides excellent dimensional stability and reduced friction, contributing to the high limiting speed of 10,000 rpm while maintaining quiet operation.
Superior Load Capacity: With a 25° contact angle and optimized internal geometry, the bearing delivers exceptional combined load capacity (radial dynamic load rating: 24,975 lbf, static: 26,100 lbf) while maintaining high rigidity.
Universal Matching Capability: Designed as Universal Matchable (SU), these bearings can be precisely paired in sets of three for applications requiring preloaded arrangements and enhanced system stiffness.
Precision Dimensions: Features tight dimensional tolerances (bore: -0.004mm to 0, outside diameter: -0.004mm to 0) for precise fitment and optimal performance in high-precision applications.
7024 ACDGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and precision grinding spindles
- Precision Instrumentation: Measuring equipment and laboratory instruments requiring high rotational accuracy
- High-Speed Motors: Electric spindle motors and high-frequency motor applications
- Aerospace Components: Guidance systems and aircraft instrumentation requiring reliable precision bearings
- Medical Equipment: Dental handpieces and surgical tool drives demanding precision and reliability
