71822 ACD/HCP4
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
71822 ACD/HCP4
Basic Information
System of measurement
Metric
Weight
0.45 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
140 mm
Outside diameter tolerance
-0.009mm 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° to 110 °C
Radial dynamic load rating
6795 lbf
Radial static load rating
8550 lbf
Limiting speed
14 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:
$ 1580.52
/ each
In Stock
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71822 ACD/HCP4 Bearing Product Overview & Core Advantages
The 71822 ACD/HCP4 is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. This single bearing features a 25° contact angle and is supplied with a preload, making it ideal for setups where high stiffness and minimal axial/radial runout are critical. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and reduced rotational inertia. The bearing is pre-lubricated and operates effectively within a wide temperature range, offering a reliable solution for combination loads.
71822 ACD/HCP4 Bearing Model Code Explained, Specifications & Naming Convention
The model number 71822 ACD/HCP4 provides detailed technical specifications through its suffixes:
- 71822: Basic model number indicating the bearing dimensions (110mm bore, 140mm OD, 16mm width).
- ACD: Signifies Angular Contact design with a 25° contact angle and a preload applied.
- HCP4: Denotes the tolerance class P4 (ABEC-7), representing very high precision bearing standards for exceptional running accuracy.
71822 ACD/HCP4 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The angular contact design with an applied preload eliminates internal clearance, resulting in significantly increased system stiffness and precise shaft positioning, which is essential for high-precision machinery.
- Superior High-Speed Capability: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage allows for a very high limiting speed of 14,000 rpm, reducing friction and heat generation.
- Excellent Load Capacity: The 25° contact angle is optimized to handle substantial combination loads, efficiently supporting both radial and axial forces in one direction.
- Optimized for Performance: The P4 precision tolerance ensures minimal vibration and noise, while the pre-lubrication facilitates immediate startup and reliable operation within the specified temperature range.
71822 ACD/HCP4 Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring utmost precision and rigidity.
- High-Speed Motors and Spindles: Used in CNC machinery, routers, and other equipment where rotational speed and accuracy are paramount.
- Precision Instrumentation: Critical components in measuring devices, optical scanners, and laboratory equipment.
- Aerospace and Defense Systems: Applications demanding reliability, high-speed operation, and performance under challenging conditions.
