7002 ACD/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7002 ACD/P4ADGA Bearing Product Overview & Core Advantages
The 7002 ACD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. Manufactured to P4A tolerance class, this bearing excels in high-speed operations and is preloaded to Extra Light (Class A) specifications, ensuring minimal axial and radial play for superior rotational precision. Its universal matchable (SU) design allows for flexible mounting in various arrangements, making it an ideal solution for supporting combined loads in compact, high-performance machinery.
7002 ACD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7002 | Basic bearing series and size designation (15mm bore, 32mm OD). |
| AC | Angular Contact design with a 25° contact angle. |
| D | Signifies a duplex (two-bearing) set. |
| P4A | Indicates high precision tolerance class, exceeding ABEC 7 standards. |
| DGA | Universal Matchable (SU) arrangement with specific preload. |
7002 ACD/P4ADGA Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The duplex set configuration and P4A tolerance class deliver exceptional dimensional stability and rotational accuracy, critical for applications with minimal deflection requirements.
Optimized Load Capacity: With a 25° contact angle, this bearing efficiently supports significant combined radial and axial loads. The dynamic load rating of 1814 lbf ensures reliable performance under demanding conditions.
Superior High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces, contributing to a high limiting speed of 95,000 rpm. This makes it an excellent high-speed bearing for precision spindles.
Precision Materials: Constructed from chrome steel for both rings and balls, the bearing offers high hardness, wear resistance, and long-term dimensional stability.
7002 ACD/P4ADGA Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Machining Centers
- Precision Grinding Spindles
- High-Speed Robotic Drives
- Medical and Dental Equipment
- Aerospace Actuation Systems
