71822 ACDGA/HCP2
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
71822 ACDGA/HCP2
Basic Information
System of measurement
Metric
Weight
0.45 kg
Tolerance class
P2
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
140 mm
Outside diameter tolerance
-0.004mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
8.731 mm
Ball quantity
32
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
6795 lbf
Radial static load rating
8550 lbf
Limiting speed
16 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
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
71822 ACDGA/HCP2 Bearing Product Overview & Core Advantages
The 71822 ACDGA/HCP2 is a high-precision, single-row angular contact ball bearing engineered for applications demanding exceptional accuracy and speed. Its defining feature is the 25° contact angle, which provides superior axial load capacity in one direction while also handling significant radial loads. Manufactured to P2 tolerance class, this bearing offers extremely tight dimensional control for minimal runout and vibration. The combination of a phenolic cage and ceramic balls enables outstanding high-speed performance, making it an ideal choice for ultra-precise, high-rotation machinery where rigidity and operational reliability are paramount.
71822 ACDGA/HCP2 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71822 | Basic bearing designation (110mm bore, 140mm OD, 16mm width). |
| AC | Angular Contact design with a 25° contact angle. |
| D | Optimized internal geometry for higher speed and reduced friction. |
| GA | Indicates a Universal Matchable (SU) bearing, designed to be paired with another identical bearing to form a matched set for preload control. |
| HC | Refers to the Hybrid Ceramic construction, featuring ceramic balls and a steel ring. |
| P2 | Specifies the high-precision tolerance class, ensuring extremely tight dimensional and running accuracy. |
71822 ACDGA/HCP2 Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The use of ceramic balls significantly reduces centrifugal forces, friction, and heat generation. This directly contributes to a higher limiting speed and extended service life, especially in high-velocity applications.
- Phenolic Resin Cage: The lightweight and robust phenolic cage offers excellent dimensional stability and low friction at high speeds, further enhancing the bearing's rotational capabilities and reliability.
- High-Precision P2 Tolerance: Manufactured to the strictest P2 tolerance class, this bearing guarantees minimal radial and axial runout, which is critical for applications requiring ultra-high precision and smooth operation.
- Optimized Load Capacity: The 25° contact angle is engineered to support high axial loads in one direction while simultaneously carrying substantial radial loads, offering versatile performance in complex loading conditions.
- Universal Matchability (SU): As a Universal Matchable bearing, two identical 71822 ACDGA/HCP2 bearings can be mounted together in various arrangements (back-to-back, face-to-face, or tandem) to achieve specific preload and stiffness characteristics, providing design flexibility for high-rigidity spindles and systems.
71822 ACDGA/HCP2 Bearing Typical Application Areas
This high-performance angular contact ball bearing is ideally suited for the most demanding applications, including:
- High-Speed Machine Tool Spindles: For CNC machining centers, grinding spindles, and milling machines requiring extreme precision and speed.
- Precision Robotic Drives: In robotic arms and joints where high rigidity, accuracy, and rapid movement are essential.
- High-Frequency Motors and Spindles: Used in electric motors and motorized spindles that operate at very high RPMs.
- Aerospace and Defense Systems: In gyroscopes, navigation systems, and other critical components where reliability and performance under load are non-negotiable.
