7032 ACDGB/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7032 ACDGB/HCP4A
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
160 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
240 mm
Outside diameter tolerance
-0.004mm to 0
Width
38 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
40950 lbf
Radial static load rating
45900 lbf
Limiting speed
6.3 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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In Stock
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7032 ACDGB/HCP4A Bearing Product Overview & Core Advantages
The 7032 ACDGB/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This single bearing features a 25° contact angle and Universal Matchable (SU) designation, allowing it to be preloaded in sets for optimal system rigidity. Its core advantages include the ability to handle combined loads (radial and axial), superior high-speed capability up to 6,300 rpm, and outstanding operational precision guaranteed by its P4A tolerance class. The combination of a ceramic ball and phenolic cage further enhances its performance in high-speed, temperature-variable environments.
7032 ACDGB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| DGB | Duplex arrangement, Back-to-Back mounting. This configuration provides high rigidity and moment load capacity. |
| HC | Hybrid Ceramic, indicating the use of ceramic balls. This reduces weight, friction, and heat generation, enabling higher speeds. |
| P4A | A tolerance class denoting very high precision for both bore and outside diameter tolerances, ensuring minimal runout and superior rotational accuracy. |
7032 ACDGB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The duplex back-to-back (DGB) configuration creates a rigid bearing system capable of withstanding combined radial and axial loads as well as moment loads, making it ideal for precision spindles.
- Superior High-Speed Performance: The hybrid ceramic design with silicon nitride balls and a lightweight phenolic cage significantly reduces centrifugal forces, lowers operating temperatures, and allows for a high limiting speed of 6,300 rpm.
- Exceptional Precision: Manufactured to P4A tolerance class with tight dimensional controls on the bore diameter and outside diameter, this bearing ensures minimal vibration and high positional accuracy.
- Optimized for Matched Sets: As a Universal Matchable (SU) bearing, it can be supplied in pre-loaded sets of three, delivering a pre-defined and consistent level of stiffness and preload for the entire application.
7032 ACDGB/HCP4A Bearing Typical Application Areas
This precision bearing is engineered for high-performance machinery where speed, accuracy, and rigidity are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and rotary actuators requiring high moment stiffness.
- High-Frequency Motors and Spindles: Applications in PCB drilling and semiconductor manufacturing.
- Aerospace and Defense Systems: Gyroscopes, radar platforms, and other precision instrumentation.
