7201 CD/P4ADGA
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 CD/P4ADGA Bearing Product Overview & Core Advantages
The 7201 CD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and high-speed performance. Manufactured to P4A tolerance class, it offers superior dimensional stability and running accuracy. Its 15° contact angle and universal matchable (SU) design enable it to handle combined loads efficiently while facilitating easy pairing for preload configurations. The bearing is pre-lubricated and features an open design optimized for controlled lubrication systems, making it ideal for high-reliability, high-precision machinery.
7201 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| CD | 15° contact angle, Universal Matchable (SU) design | Optimized for combined radial and axial loads; bearings can be paired in any combination (DB, DF, DT) |
| P4A | High precision tolerance class | Tighter dimensional and running accuracy tolerances for superior performance in precision applications |
| DGA | Extra light preload (Class A) | Minimal internal clearance for high rigidity and precise rotational accuracy |
7201 CD/P4ADGA 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 dimensional accuracy and consistent performance.
Optimized Load Capacity: The 15° contact angle and precision-ground raceways enable efficient handling of combined radial and axial loads, with a dynamic load rating of 2151 lbf and static load rating of 1148 lbf.
High-Speed Capability: Featuring a phenolic cage and optimized internal geometry, this bearing achieves a limiting speed of 95,000 rpm, making it suitable for high-speed spindle applications.
Universal Matching Design: The SU universal match configuration allows for flexible bearing arrangements without selective matching, simplifying installation and maintenance while maintaining precision alignment.
Premium Material Selection: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability under demanding operating conditions.
7201 CD/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles
- High-Speed Motors: Precision electric motors and servo drives
- Medical Equipment: Dental handpieces and surgical tool drives
- Aerospace Systems: Guidance systems and precision instrumentation
- Robotics: Precision joints and servo mechanisms
- Optical Instruments: High-speed scanning and positioning systems
