7032 ACD/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7032 ACD/P4ADGA
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
11 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
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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In Stock
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7032 ACD/P4ADGA Bearing Product Overview & Core Advantages
The 7032 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 is engineered to handle combined loads efficiently, accommodating significant axial loads in one direction alongside radial loads. Its Universal Matchable (SU) designation allows for flexible mounting in pairs to support bidirectional axial loads. The combination of a phenolic cage, extra light preload (Class A), and superior material quality makes it an ideal solution for high-speed and high-precision machinery where uncompromising performance is critical.
7032 ACD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7032 | Basic bearing series and size designation (Bore: 160mm, OD: 240mm, Width: 76mm). |
| AC | Angular Contact design with a 25° contact angle. |
| D | Signifies a Universal Matchable (SU) bearing, designed to be paired with another identical bearing. |
| P4A | Indicates a high-precision tolerance class, with strict dimensional and running accuracy limits. |
| DGA | Likely refers to specific internal manufacturing and clearance specifications for the matched pair. |
7032 ACD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Built to P4A tolerance standards with extremely tight dimensional tolerances on the bore, outside diameter, and width. This ensures minimal runout and superior stability in the application.
- Optimized Load Capacity: The 25° contact angle and robust construction, featuring chrome steel rings and balls, provide a high dynamic load rating of 66,600 lbf and static load rating of 93,375 lbf, enabling it to handle demanding combined loads.
- Superior High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the extra light preload minimizes friction and heat generation. This combination allows for a high limiting speed of 11,000 rpm.
- Universal Matching Capability: As a Universal Matchable (SU) bearing, two 7032 ACD/P4ADGA bearings can be mounted together in a back-to-back (DB), face-to-face (DF), or tandem (DT) arrangement. This provides design flexibility to manage complex load conditions, including bidirectional axial thrust.
7032 ACD/P4ADGA Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: For CNC machining centers, grinders, and lathes requiring high speed, accuracy, and rigidity.
- High-Frequency Motors and Spindles: Where rapid acceleration and deceleration are common.
- Precision Robotics: In critical joints and arm assemblies demanding high positional accuracy and moment load capacity.
- Aerospace and Defense Systems: In gyroscopes, radar equipment, and other precision instruments.
