7024 ACD/P4ADBC
7000 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
Ball & Washer Dimensions
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7024 ACD/P4ADBC Bearing Product Overview & Core Advantages
The 7024 ACD/P4ADBC is a precision duplex back-to-back angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This P4A tolerance class bearing is preloaded and matched as a set, enabling it to handle combined radial and axial loads simultaneously with high stability. Its moderate preload (Class C) and optimized 25° contact angle deliver superior operational precision, making it ideal for high-speed spindles and other precision machinery where high rigidity and minimal runout are critical.
Model Code Breakdown
- 7024: Basic designation indicating a 120 mm bore, 180 mm OD bearing.
- AC: Angular Contact design, optimized for combined loads.
- D: Signifies a Duplex (two-bearing) set.
- P4A: Denotes a high precision tolerance class, exceeding ABEC 7 standards.
- DB: Indicates the bearings are matched in a Back-to-Back arrangement.
- C: Specifies a Moderate preload level for enhanced stiffness.
7024 ACD/P4ADBC Bearing Structural Features & Performance Benefits
High Rigidity & Stability: The duplex back-to-back (DB) arrangement creates a rigid, moment-resisting system, significantly increasing operational stability and resistance to deflection under complex loading conditions.
Superior Load Capacity: Engineered with a 25° contact angle and chrome steel components, this bearing effectively supports high combined radial and axial loads, with a dynamic load rating of 40050 lbf and a static load rating of 52200 lbf.
Optimized High-Speed Performance: The lightweight phenolic resin cage minimizes centrifugal forces, contributing to a high limiting speed of 16,000 rpm. The bearing is pre-lubricated for immediate operation.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls on the bore diameter, outside diameter, and width, this bearing ensures minimal vibration and precise rotational accuracy.
7024 ACD/P4ADBC Bearing Typical Application Areas
This high-precision duplex bearing is ideally suited for applications requiring maximum rigidity and speed, including:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Gearboxes
- High-Frequency Motors
- Industrial Pumps and Compressors
- Aerospace Positioning Systems
