7032 ACD/P4ATGA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7032 ACD/P4ATGA
Basic Information
System of measurement
Metric
Weight
15.4 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
114 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
89325 lbf
Radial static load rating
139500 lbf
Limiting speed
6.3 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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7032 ACD/P4ATGA Bearing Product Overview & Core Advantages
The 7032 ACD/P4ATGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. Its 25° contact angle and Universal Matchable (SU) design enable it to accommodate combined radial and axial loads simultaneously. Manufactured to the stringent P4A tolerance class, this bearing delivers superior running accuracy, making it ideal for high-speed spindles and other precision machinery where uncompromising performance is critical.
7032 ACD/P4ATGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7032 | Basic bearing series, defining the standard boundary dimensions (Bore: 160mm, OD: 240mm, Width: 114mm). |
| AC | Angular Contact design with a 25° contact angle. |
| D | Signifies two bearings in a Universal Matchable (SU) arrangement. |
| /P4A | Indicates a high-precision tolerance class (superior to ABEC 7 / ISO P4). |
| TGA | Specifies the cage material: Phenolic (Textolite), which is lightweight and suitable for high-speed operation. |
7032 ACD/P4ATGA Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The angular contact design and robust construction, featuring a phenolic cage and 22 high-grade chrome steel balls, provide high rigidity. This enables the bearing to handle significant combined radial and axial loads (Dynamic: 89,325 lbf, Static: 139,500 lbf).
- Superior High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces and friction, contributing to a high limiting speed of 6,300 rpm. The open design allows for efficient lubrication management in complex systems.
- Precision and Universal Matching: Manufactured to P4A tolerances with a Universal Matchable (SU) designation, these bearings can be mounted in pairs or sets (e.g., 3-bearing sets) without selective matching, simplifying installation and ensuring optimal preload (Extra light / Class A) and system performance.
7032 ACD/P4ATGA Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Aerospace and Defense Positioning Systems
