7211 ACDGA/P4A
7200 & 7300 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
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7211 ACDGA/P4A Bearing Product Overview & Core Advantages
The 7211 ACDGA/P4A 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 delivers superior dimensional stability and running accuracy. Its 25° contact angle is optimized to support significant combined loads, handling both radial and axial forces simultaneously. The phenolic cage and universal matching (SU) designation make it ideal for high-precision, high-rigidity arrangements in demanding industrial environments.
7211 ACDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| AC | Angular Contact Design | Optimized for combined radial and axial loads |
| DGA | Universal Matchable (SU) with specific preload | Enables precise bearing arrangements in sets |
| P4A | High Precision Tolerance Class | Exceptional running accuracy and dimensional stability |
7211 ACDGA/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance standards with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional running accuracy and minimal vibration.
Optimized Load Capacity: The 25° contact angle and robust chrome steel construction provide a dynamic load rating of 11,858 lbf and static load rating of 9,112 lbf, enabling reliable performance under combined loading conditions.
High-Speed Capability: The phenolic resin cage and precision-ground components allow for limiting speeds up to 34,000 rpm, making it suitable for high-speed spindle applications.
Universal Matching Design: As a Universal Matchable (SU) bearing, it can be supplied in matched sets of 3 bearings for preload optimization, ensuring consistent performance in multi-bearing arrangements.
7211 ACDGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring exceptional accuracy
- High-Speed Motors: Electric motors and spindles operating at elevated rotational speeds
- Precision Instrumentation: Medical equipment, measuring devices, and laboratory instruments
- Aerospace Components: Guidance systems, actuators, and other critical aerospace applications
- Robotics and Automation: Precision joints and positioning systems in industrial robots
