7211 ACDGA/VQ126
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7211 ACDGA/VQ126
Basic Information
System of measurement
Metric
Weight
0.61 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
21 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
14.288 mm
Ball quantity
15
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
11858 lbf
Radial static load rating
9112 lbf
Limiting speed
34 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Product Overview and Core Advantages
The 7211 ACDGA/VQ126 is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a single bearing with a 25° contact angle and Extra light preload (Class A), it is engineered to handle combined loads efficiently, providing superior axial and radial load capacity in a compact design. Manufactured to a P4A tolerance class, it guarantees ultra-precision operation, making it ideal for high-speed spindles and other high-rigidity, high-reliability machinery.
7211 ACDGA/VQ126 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| D | Optimized internal design for high-precision applications. |
| GA | Specific internal clearance and preload group (Extra light / Class A). |
| VQ126 | Special code for a Universal Matchable (SU) bearing, indicating it is one of a set of 3 bearings manufactured to be interchangeable for precise matched arrangement. |
Structural Features and Performance Benefits
- High Rigidity and Precision: The angular contact design with a 25° contact angle and Class A preload provides superior stiffness and minimizes deflection under load, ensuring exceptional running accuracy for high-speed applications.
- Superior Load Capacity: Engineered to support significant combined loads, with a dynamic load rating of 11858 lbf and a static load rating of 9112 lbf.
- High-Speed Performance: The phenolic cage and optimized internal geometry contribute to a high limiting speed of 34,000 rpm, reducing friction and heat generation.
- Universal Matching Capability (SU): As part of a universal matchable set, these bearings can be paired in any combination without performance loss, simplifying installation and ensuring consistent preload in multi-bearing arrangements.
- Premium Materials: Constructed from chrome steel for rings and balls, ensuring high durability and fatigue resistance.
7211 ACDGA/VQ126 Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- High-Frequency Motors
- Other precision machinery requiring high rigidity, high-speed operation, and exceptional accuracy.
