7024 ACD/P4ADBB
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7024 ACD/P4ADBB
Basic Information
System of measurement
Metric
Weight
4.26 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
120 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
180 mm
Outside diameter tolerance
-0.004mm to 0
Width
56 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
19.05 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
40050 lbf
Radial static load rating
52200 lbf
Limiting speed
16 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7024 ACD/P4ADBB Bearing Product Overview & Core Advantages
The 7024 ACD/P4ADBB is a precision duplex angular contact ball bearing specifically designed for applications requiring exceptional rigidity and accuracy. This metric system bearing features a Back-to-Back (DB) matched arrangement and a Light preload (Class B), making it ideal for managing combined loads—simultaneously handling significant radial and axial forces. Manufactured to the stringent P4A tolerance class, it delivers superior running accuracy and rotational precision, essential for high-performance machinery. Its open seal type allows for customized lubrication solutions, optimizing performance for specific operational conditions.
7024 ACD/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
The model number 7024 ACD/P4ADBB provides detailed technical specifications through its suffixes:
- 7024: Basic bearing designation (Bore: 120mm, OD: 180mm, Width: 56mm)
- ACD: Angular Contact design with a 25° contact angle
- P4A: Indicates ultra-precision tolerance class for exceptional dimensional and running accuracy
- DBB: Denotes Duplex Back-to-Back mounting arrangement, providing high rigidity and moment load capacity
7024 ACD/P4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back configuration creates a rigid bearing system capable of withstanding combined radial and axial loads from both directions, along with moment loads. The 25° contact angle is optimized for substantial axial load carrying capacity.
- Precision Performance: Manufactured to P4A tolerance standards, this bearing ensures minimal runout and vibration, critical for high-speed applications and precision positioning systems.
- Optimized Internal Design: Features 22 high-grade chrome steel balls with a diameter of 19.05mm and a phenolic resin cage. This combination contributes to smooth operation, reduced friction, and suitability for high-speed operation up to 16,000 rpm.
- Superior Material & Construction: Both rings and balls are made from chrome steel, providing excellent wear resistance and durability. The open design allows for efficient heat dissipation and customized lubrication regimes.
7024 ACD/P4ADBB Bearing Typical Application Areas
This high-precision duplex bearing is engineered for demanding applications in:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring extreme accuracy and rigidity.
- Precision Gearboxes: Industrial transmissions where precise shaft positioning and load capacity are critical.
- High-Speed Motors & Spindles: Applications in aerospace, robotics, and semiconductor manufacturing equipment.
- Medical Equipment: High-speed centrifuges and advanced imaging systems demanding quiet, precise operation.
- Industrial Pumps & Compressors: Where reliable performance under combined loads is essential.
