7032 ACD/P4ALDT
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7032 ACD/P4ALDT
Basic Information
System of measurement
Metric
Weight
10.3 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
160 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
240 mm
Outside diameter tolerance
-0.004mm to 0
Width
76 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
25.4 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
66600 lbf
Radial static load rating
93375 lbf
Limiting speed
7.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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7032 ACD/P4ALDT Bearing Product Overview & Core Advantages
The 7032 ACD/P4ALDT is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This duplex tandem (DT) arrangement bearing set is preloaded and manufactured to P4A tolerance class, ensuring superior running accuracy and dimensional stability. Its primary advantage lies in its ability to handle high combined loads—significant radial and unidirectional axial loads—simultaneously, making it an ideal solution for high-precision, high-reliability machinery where uncompromising performance is critical.
7032 ACD/P4ALDT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle, optimized for high axial load capacity. |
| P4A | Indicates a high-precision tolerance class with enhanced dimensional and running accuracy beyond standard P4. |
| L | Signifies the bearing is lubricated from the factory. |
| DT | Denotes a Duplex Tandem matched set of two bearings, configured to maximize axial load capacity in one direction. |
7032 ACD/P4ALDT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement and 25° contact angle create an exceptionally rigid assembly capable of supporting high combined radial and axial loads. The matched set ensures optimal load distribution.
- Precision Performance: Manufactured to P4A tolerance class with tight dimensional tolerances on bore, outside diameter, and width, this bearing guarantees minimal runout and superior rotational accuracy for high-speed applications.
- Optimized High-Speed Operation: The lightweight phenolic resin cage minimizes centrifugal forces, contributing to a high limiting speed of 7,500 rpm. The chrome steel construction ensures integrity under high rotational stresses.
- Preload & Stability: Supplied as a preloaded set, the bearing eliminates internal clearance, providing immediate stiffness, reducing vibration, and enhancing positional accuracy in the application.
7032 ACD/P4ALDT Bearing Typical Application Areas
This precision angular contact ball bearing is engineered for high-performance machinery, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring utmost precision and rigidity.
- Precision Gearboxes: Especially in applications demanding high axial stiffness and accurate shaft positioning.
- High-Frequency Spindles: Used in PCB drilling and other applications where high rotational speeds and accuracy are paramount.
- Industrial Pumps and Compressors: For handling significant axial thrust loads in a compact design.
