7022 ACE/HCP4ALDT
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7022 ACE/HCP4ALDT
Basic Information
System of measurement
Metric
Weight
3.86 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
170 mm
Outside diameter tolerance
-0.004mm to 0
Width
56 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
30
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
16380 lbf
Radial static load rating
19125 lbf
Limiting speed
16.25 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
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7022 ACE/HCP4ALDT Bearing Product Overview & Core Advantages
The 7022 ACE/HCP4ALDT is a high-precision duplex tandem angular contact ball bearing designed for demanding applications requiring exceptional rigidity and rotational accuracy. This matched bearing set features a P4A tolerance class and is preloaded, ensuring minimal axial and radial runout for superior performance. Its ability to handle combined loads (radial and axial) simultaneously, coupled with its ceramic ball construction, makes it ideal for high-speed, high-rigidity spindles. The phenolic cage and optimized internal geometry contribute to its outstanding limiting speed and smooth operation.
7022 ACE/HCP4ALDT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7022 | Basic bearing series and size designation (Bore: 110mm, OD: 170mm, Width: 56mm). |
| ACE | 25° contact angle and enhanced internal design for high-speed operation. |
| HC | Hybrid Ceramic construction, featuring ceramic balls for reduced friction and heat generation. |
| P4A | Super-precision tolerance class, exceeding ABEC 7/ISO P4 standards for exceptional running accuracy. |
| DT | Duplex Tandem arrangement. Two bearings are matched and mounted in tandem to primarily handle heavy axial loads in one direction. |
7022 ACE/HCP4ALDT Bearing Structural Features & Performance Benefits
- Superior Rigidity and Load Capacity: The duplex tandem (DT) arrangement and 25° contact angle create an exceptionally rigid setup capable of withstanding high combined loads, particularly substantial axial loads.
- Enhanced High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic cage significantly lowers friction and allows for a higher limiting speed (16,250 rpm).
- Precision and Thermal Stability: Manufactured to P4A tolerance standards with a phenolic cage that offers excellent dimensional stability and low heat generation under high-speed conditions.
- Optimized Preload: The set is supplied with a pre-applied preload, eliminating the need for complex adjustment during installation and ensuring immediate, optimal bearing performance.
7022 ACE/HCP4ALDT 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 Spindles: PCB drilling and routing equipment.
- High-Frequency Motors: Spindles for electric motors requiring minimal vibration.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
