7012 ACE/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7012 ACE/P4ADGA Bearing Product Overview & Core Advantages
The 7012 ACE/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. Manufactured to P4A tolerance class, this bearing offers superior dimensional and running accuracy. Its 25° contact angle and universal matchable (SU) design enable it to accommodate combined radial and axial loads efficiently. The extra light preload (Class A) ensures smooth, low-torque operation, making it ideal for high-precision spindles and other critical machinery where minimal deflection and high rigidity are paramount.
7012 ACE/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| ACE | Indicates a 25° contact angle and specific internal design optimized for high-speed operation. |
| P4A | Denotes a high-precision tolerance class with enhanced running accuracy and dimensional stability. |
| DGA | Specifies that the bearing is lubricated and supplied as part of a universally matchable (SU) set. |
7012 ACE/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and phenolic cage provide excellent stability, enabling the bearing to handle significant combined loads.
- Superior High-Speed Performance: The optimized internal geometry, lightweight phenolic cage, and 25° contact angle contribute to a high limiting speed of 33,000 rpm.
- Precision Engineering: Manufactured to P4A tolerance standards with tight bore and outside diameter tolerances, ensuring minimal runout and vibration for ultra-precise applications.
- Universal Matching Capability (SU): Bearings can be universally matched in pairs to provide pre-defined axial clearance or preload, simplifying installation and optimizing system performance.
- Pre-Lubricated: Comes factory-lubricated for immediate use, reducing initial setup time and ensuring optimal performance from the first rotation.
7012 ACE/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Instrumentation: Measuring devices, optical scanners, and coordinate measuring machines (CMM).
- High-Frequency Motors: Spindles for PCB drilling and high-speed electric motors.
- Medical Equipment: Dental handpieces and laboratory centrifuges.
- Robotics: High-accuracy joints and arm assemblies.