7201 ACD/P4ADGB
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7201 ACD/P4ADGB Bearing Product Overview & Core Advantages
The 7201 ACD/P4ADGB is a precision angular contact ball bearing designed for high-performance applications requiring exceptional accuracy and reliability. Engineered to accommodate combined loads (both radial and axial), this bearing features a 25° contact angle optimized for handling significant thrust loads. Its P4A tolerance class ensures ultra-precise dimensional control, making it ideal for high-speed spindles and precision machinery. The universal matchable (SU) design allows for flexible mounting configurations in pairs, providing superior operational stability.
7201 ACD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7201 | Basic bearing series with 12mm bore, 32mm OD |
| AC | Angular Contact design with 25° contact angle |
| D | High precision manufacturing standards |
| P4A | Ultra-precision tolerance class (ABEC 7 equivalent) |
| DGB | Universal matchable bearing for paired arrangements |
7201 ACD/P4ADGB Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional running accuracy and minimal vibration.
High-Speed Capability: The phenolic cage material and optimized internal geometry enable limiting speeds of 95,000 rpm, making it suitable for high-speed applications.
Superior Load Capacity: With a radial dynamic load rating of 2077 lbf and radial static load rating of 1102 lbf, this bearing handles significant combined loads efficiently.
Universal Matching Design: The SU (Universal Matchable) feature allows for flexible pairing without selective matching, simplifying installation and maintenance while maintaining preload consistency.
Optimized Material Selection: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability under demanding operating conditions.
7201 ACD/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- Precision Instrumentation - Measuring equipment and laboratory instruments requiring minimal runout
- High-Speed Motors - Servo motors and spindle drives in industrial automation
- Medical Equipment - Dental handpieces and surgical tools demanding precision and reliability
- Aerospace Components - Guidance systems and auxiliary power units requiring high precision
