7022 CE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7022 CE/HCP4ADGA Bearing Product Overview & Core Advantages
The 7022 CE/HCP4ADGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. As a universal matchable (SU) bearing supplied in a pre-lubricated, matched set of two, it is designed to accommodate combined loads (radial and axial) simultaneously. Its core advantages stem from a P4A super-precision tolerance class, a 15° contact angle, and the use of advanced materials including ceramic balls and a phenolic cage, making it ideal for high-speed operation and applications demanding high rigidity and long service life.
7022 CE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7022 | Basic bearing series and size designation (Bore: 110mm, OD: 170mm, Width: 56mm). |
| CE | Indicates a 15° contact angle. |
| HC | Signifies the use of Hybrid Ceramic balls (Silicon Nitride). |
| P4A | Denotes a super-precision tolerance class, exceeding ABEC 7/ISO P4 standards, with enhanced running accuracy. |
| DGA | Specifies a phenolic (polyamide) cage and an Extra Light (A) preload. |
7022 CE/HCP4ADGA Bearing Structural Features & Performance Benefits
Universal Match Design (SU): The bearing is supplied as a universally matchable pair. When mounted face-to-face or back-to-back, they form a rigid bearing set that can accommodate combined radial and axial loads from both directions, simplifying installation and ensuring optimal performance.
Hybrid Ceramic Construction: The use of ceramic balls with a steel ring provides significant advantages, including reduced friction, lower operating temperatures, extended lubricant life, and the ability to run at higher speeds. This makes it a superior choice for high-speed applications.
Phenolic Cage: The phenolic cage offers excellent dimensional stability and low friction at high rotational speeds, contributing to the bearing's high limiting speed of 10,000 rpm. It is also lightweight and provides good guiding for the ceramic balls.
Super-Precision P4A Tolerances: Manufactured to P4A tolerance class with extremely tight dimensional and running accuracy tolerances, this bearing ensures minimal vibration and noise, which is critical for high-precision machinery.
7022 CE/HCP4ADGA Bearing Typical Application Areas
The 7022 CE/HCP4ADGA is ideally suited for high-performance applications across various industries, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring extreme precision and rigidity.
- Precision Medical Equipment: In devices like centrifuges and scanners where reliability and high-speed operation are paramount.
- Aerospace & Defense Systems: In gyroscopes, navigation systems, and other critical components.
- High-Frequency Motors and Spindles: Where low friction, high speed, and long life are essential.
