7015 ACD/P4ADFA
7000 Series Super Precision Angular Contact Ball Bearings
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7015 ACD/P4ADFA Bearing Product Overview & Core Advantages
The 7015 ACD/P4ADFA is a precision angular contact ball bearing designed for high-performance applications requiring exceptional rigidity and accuracy. This duplex face-to-face (DF) arrangement bearing set is preloaded to Extra Light / Class A specifications, delivering superior running accuracy and stability. Engineered to handle combined loads (radial and axial), it offers excellent operational precision in demanding environments. Its P4A tolerance class and optimized contact angle of 25° make it ideal for machine tool spindles and other high-precision rotary systems.
7015 ACD/P4ADFA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with 25° contact angle |
| P4A | High precision tolerance class (equivalent to ABEC 7) |
| DF | Duplex Face-to-Face arrangement |
| A | Extra Light preload classification |
7015 ACD/P4ADFA Bearing Structural Features & Performance Benefits
High Rigidity & Precision: The duplex face-to-face configuration with Class A preload provides exceptional stiffness and minimizes axial/radial play, ensuring precise shaft positioning and reduced vibration.
Superior Load Capacity: With a dynamic load rating of 18,135 lbf and static load rating of 20,925 lbf, this bearing effectively handles combined radial and axial loads in both directions.
Optimized High-Speed Performance: The phenolic resin cage and precision-ground chrome steel balls enable smooth operation at limiting speeds up to 28,000 rpm, making it suitable for high-speed applications.
Precision Engineering: Manufactured to P4A tolerance standards with tight dimensional controls (bore diameter tolerance: -0.004mm to 0), this bearing ensures consistent performance in precision machinery.
7015 ACD/P4ADFA Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding machines
- Precision Rotary Systems - Measuring instruments and optical equipment
- High-Speed Motors - Industrial spindles and servo motors
- Medical Equipment - Dental handpieces and surgical tools
- Aerospace Components - Guidance systems and precision actuators
