7226 CD/P4ADGA
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7226 CD/P4ADGA Bearing Product Overview & Core Advantages
The 7226 CD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing with P4A tolerance class, it delivers superior running precision and can be mounted in various preload configurations. Its 15° contact angle and phenolic cage construction make it ideal for handling combined loads while maintaining high-speed capabilities up to 11,000 rpm. This bearing comes pre-lubricated for immediate operation and offers reliable performance in demanding industrial environments.
7226 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CD | 15° contact angle, universal matchable design | Optimized for combined radial and axial loads, flexible mounting options |
| P4A | High precision tolerance class | Exceptional running accuracy and dimensional stability |
| DGA | Extra light preload (Class A) | Reduced friction and heat generation at high speeds |
7226 CD/P4ADGA Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with tight dimensional control (bore diameter tolerance: -0.004mm to 0), ensuring minimal runout and vibration for precision applications.
Optimized Load Capacity: The 15° contact angle and chrome steel components provide excellent combined load handling with dynamic load rating of 78,975 lbf and static load rating of 101,250 lbf.
High-Speed Performance: Phenolic cage construction and optimized internal geometry enable reliable operation at limiting speeds of 11,000 rpm with reduced centrifugal forces.
Universal Matching Capability: As universal matchable (SU) bearings, they can be arranged in back-to-back, face-to-face, or tandem configurations to meet specific application requirements.
Thermal Stability: Operating temperature range from -30°C to 110°C ensures consistent performance across various environmental conditions.
7226 CD/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles
- Precision Gearboxes: Industrial transmission systems requiring high accuracy
- High-Speed Motors: Electric motors and generators operating at elevated speeds
- Medical Equipment: CT scanners and MRI systems demanding quiet, precise operation
- Aerospace Systems: Aircraft auxiliary systems and instrumentation
- Robotic Systems: Industrial robots and automation equipment joints
