7019 ACEGA/P4A
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
7019 ACEGA/P4A Bearing Product Overview & Core Advantages
The 7019 ACEGA/P4A is a single row angular contact ball bearing designed for applications demanding high precision and superior performance under combined loads. Manufactured to P4A tolerance class, it offers exceptional dimensional accuracy and running precision. Its 25° contact angle is optimized to support significant axial loads in one direction while also handling radial loads effectively. The bearing is pre-lubricated and features an Extra light preload (Class A), making it ideal for high-speed spindles and other precision machinery where minimal deflection and high rotational accuracy are critical. It is also part of a Universal Matchable (SU) set, allowing for precise preload control when mounted in pairs or groups.
7019 ACEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Advantage |
|---|---|---|
| AC | Angular Contact | Design optimized for combined (radial and axial) loads. |
| EGA | Extra Light Preload (Class A) | Minimizes bearing deflection, enhances rigidity, and improves rotational accuracy for high-speed operation. |
| P4A | Tolerance Class | Denotes very high precision levels for bore, outside diameter, and width tolerances, ensuring predictable performance. |
7019 ACEGA/P4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: The P4A tolerance class and chrome steel construction guarantee tight dimensional control and high running accuracy. The 25° contact angle and extra light preload work in concert to provide a stiff bearing arrangement that resists operational deflection.
- Superior Load Capacity: Engineered as an angular contact bearing, it efficiently handles combined radial and axial loads. The specified radial dynamic load rating of 9360 lbf and static load rating of 8100 lbf confirm its robustness.
- Optimized High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, contributing to a high limiting speed of 15,000 rpm. The pre-applied lubrication is suitable for this high-speed range.
- Universal Matching Capability (SU): As a Universal Matchable bearing, it can be mounted in pairs (back-to-back or face-to-face) or complex sets to accommodate specific load and rigidity requirements without selective assembly.
7019 ACEGA/P4A Bearing Typical Application Areas
The 7019 ACEGA/P4A is ideally suited for high-performance machinery where precision and speed are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: Applications in PCB drilling, semiconductor manufacturing, and other high-accuracy processes.
- High-Frequency Motors: Where low vibration and high rotational accuracy are required.
- Robotic Drives: Arm joints and precision gearboxes.
