71916 ACB/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
71916 ACB/HCP4A
Basic Information
System of measurement
Metric
Weight
0.35 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.008mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
6.747 mm
Ball quantity
34
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
3330 lbf
Radial static load rating
3150 lbf
Limiting speed
26 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:
$ 880.89
/ each
In Stock
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71916 ACB/HCP4A Bearing Product Overview & Core Advantages
The 71916 ACB/HCP4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Operating under P4 (ABEC-7) tolerance class, this bearing is designed to accommodate high axial loads in one direction and is supplied with a light preload for immediate high-stiffness performance. Its compact design, combined with a ceramic ball and phenolic cage construction, makes it ideal for demanding, high-speed environments where reliability is critical.
71916 ACB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71916 | Basic bearing series and size designation (80mm bore, 110mm OD, 16mm width). |
| ACB | Angular Contact Bearing with a 25° contact angle and specific internal design. |
| HCP4A | Indicates P4 (ABEC-7) tolerance class, a light preload (A), and is supplied lubricated. |
71916 ACB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: Manufactured to P4 tolerance class with a supplied preload, this bearing delivers exceptional running accuracy and stiffness, minimizing deflection under load.
- Superior High-Speed Performance: The combination of a lightweight phenolic resin cage and low-density ceramic balls reduces centrifugal forces, enabling a high limiting speed of 26,000 rpm.
- Optimized Load Capacity: The 25° contact angle is optimized to handle significant axial loads in one direction, in addition to radial loads.
- Reduced Maintenance: The bearing is supplied pre-lubricated, ensuring immediate operation and long-term performance within its specified temperature range.
71916 ACB/HCP4A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for applications demanding high speed, accuracy, and rigidity, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Aerospace Actuators and Control Systems
- Medical and Dental Handpieces
