7013 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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7013 ACD/P4ADGA Bearing Product Overview & Core Advantages
The 7013 ACD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing excels in handling combined loads (radial and axial) simultaneously. Its Universal Matchable (SU) design allows for flexible mounting in preloaded pairs, delivering superior system stiffness and operational precision. The Extra light preload (Class A) minimizes deflection under light loads, making it ideal for high-speed and high-precision machinery where minimal runout is critical.
7013 ACD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle for optimal axial load capacity. |
| D | Indicates a Universal Matchable (SU) bearing, designed to be mounted in pairs. |
| P4A | Denotes high precision tolerance class with strict limits on bore, OD, and width deviations for superior running accuracy. |
| GA | Specifies the Extra light preload (Class A) for minimal friction and optimal high-speed performance. |
7013 ACD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design with a 25° contact angle and phenolic cage provides excellent stability, enabling the bearing to handle significant combined radial and axial loads. The universal matching capability allows for duplex mounting, dramatically increasing system rigidity.
- Superior High-Speed Performance: The lightweight phenolic cage, combined with the extra light preload, reduces centrifugal forces and friction, supporting a high limiting speed of 31,000 rpm. This makes it suitable for demanding high-speed applications.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls on the bearing dimensions (65 mm bore, 100 mm OD, 36 mm width), ensuring consistent, high-accuracy performance in precision assemblies.
- Optimized Material Selection: Constructed from chrome steel for both rings and balls, providing high hardness, wear resistance, and long service life under demanding operating conditions.
7013 ACD/P4ADGA Bearing Typical Application Areas
The 7013 ACD/P4ADGA is engineered for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Industrial Pumps and Compressors
- Aerospace Control Systems
- Medical and Laboratory Instrumentation
