S7022 ACE/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7022 ACE/HCP4A
Basic Information
System of measurement
Metric
Weight
2 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
170 mm
Outside diameter tolerance
-0.01mm to 0
Width
28 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° to 110 °C
Radial dynamic load rating
10102 lbf
Radial static load rating
9562 lbf
Limiting speed
11.5 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:
$ 1676.63
/ each
In Stock
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S7022 ACE/HCP4A Bearing Product Overview & Core Advantages
The S7022 ACE/HCP4A is a single-row angular contact ball bearing engineered for applications demanding high precision and high-speed performance. Its defining characteristic is the 25° contact angle, optimized to handle significant combined loads (radial and axial) simultaneously. Manufactured to a P4 (ABEC-7) tolerance class, it guarantees exceptional running accuracy. The bearing is preloaded and comes lubricated and sealed from the factory, ensuring immediate, reliable performance and simplified installation.
S7022 ACE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| S7022 | Denotes the bearing series and size (Bore: 110mm, OD: 170mm, Width: 28mm). |
| ACE | Indicates a 25° contact angle and that the bearing is preloaded for high rigidity. |
| HC | Signifies the use of hybrid ceramic balls (Silicon Nitride), which reduce friction and weight for enhanced high-speed capability. |
| P4A | Specifies the P4 (ABEC-7) tolerance class, denoting ultra-precise dimensional and running accuracy. |
S7022 ACE/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and extends service life, making it an ideal high-speed bearing.
- Phenolic Resin Cage: The lightweight and robust phenolic cage ensures stable operation at very high speeds, contributing to the high limiting speed of 11,500 rpm.
- Precision & Rigidity: The P4 tolerance and factory-applied preload eliminate internal clearance, resulting in superior shaft positioning accuracy and high system rigidity.
- Sealed & Lubricated for Life: As a sealed bearing, it is protected from contaminants. Pre-installed lubrication ensures consistent performance across its specified temperature range (-30° to 110 °C), offering a maintenance-free solution.
S7022 ACE/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery, including:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Robotics and Automation Arms
- High-Frequency Motors and Spindles
- Aerospace & Defense Instrumentation
- Medical Equipment (e.g., high-speed dental handpieces)
