7032 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7032 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
4.26 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
160 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
240 mm
Outside diameter tolerance
-0.011mm to 0
Width
38 mm
Width tolerance
-0.24mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
25.4 mm
Ball quantity
22
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
40950 lbf
Radial static load rating
45900 lbf
Limiting speed
9.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 2503.97
/ each
In Stock
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7032 ACD/HCP4A Bearing Product Overview & Core Advantages
The 7032 ACD/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and reliability. This single-row bearing features a 25° contact angle and is supplied with a preload, delivering superior high rigidity and precise running accuracy. Its construction with ceramic balls and a phenolic cage enables outstanding high-speed performance, making it ideal for machine tool spindles and other precision machinery where combination loads are present.
7032 ACD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle. |
| HC | Hybrid Ceramic, indicating the use of ceramic balls for reduced weight, higher speed capability, and longer service life. |
| P4 | P4 (ABEC-7) Tolerance Class, denoting ultra-high precision for applications requiring minimal runout and vibration. |
| A | Indicates the bearing is supplied with a preload for enhanced stiffness and rotational accuracy. |
7032 ACD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The combination of a 25° contact angle and an applied preload significantly increases system stiffness, minimizing deflection under load and ensuring exceptional positional accuracy.
- Superior High-Speed Capability: The hybrid ceramic design with silicon nitride balls reduces centrifugal forces and operating temperatures. Coupled with the lightweight, self-lubricating phenolic cage, this enables a very high limiting speed of 9,500 rpm.
- Extended Service Life: Ceramic balls are harder and more wear-resistant than steel, and they are electrically insulating, preventing arcing damage. This results in significantly longer bearing life, especially in high-speed or electrically challenging environments.
- Optimized for Combination Loads: The angular contact design is inherently capable of supporting substantial radial loads and axial loads in one direction simultaneously, making it a versatile solution for complex loading conditions.
7032 ACD/HCP4A Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- High-Frequency Motors and Spindles: Where low inertia and high rotational accuracy are critical.
- Precision Instrumentation: Medical devices, optical scanners, and coordinate measuring machines.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other critical rotating assemblies.
