71916 CD/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
71916 CD/HCP4ADBA
Basic Information
System of measurement
Metric
Weight
0.64 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.004mm to 0
Width
32 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
27
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
13320 lbf
Radial static load rating
17550 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
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71916 CD/HCP4ADBA Bearing Product Overview & Core Advantages
The 71916 CD/HCP4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This duplex back-to-back (DB) arrangement bearing set offers superior high rigidity and can accommodate combined radial and axial loads simultaneously. Manufactured to a P4A tolerance class and featuring ceramic balls and a phenolic cage, it is engineered for high-speed operation and long-term reliability in precision machinery.
71916 CD/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71916 | Basic bearing series and size designation (80mm bore, 110mm OD). |
| C | 15° contact angle. |
| D | Duplex bearing (two single bearings paired). |
| HC | Hybrid Ceramic (Ceramic balls with steel rings). |
| P4A | High precision tolerance class (superior to ABEC 7). |
| DB | Back-to-Back matched arrangement. |
| A | Extra light preload. |
71916 CD/HCP4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back (DB) arrangement creates a rigid bearing system that effectively resists moment loads and supports high combined radial and axial loads.
- High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic cage enables a high limiting speed of 28,000 rpm, minimizing friction and heat generation.
- Precision Operation: Manufactured to P4A tolerance class standards, this bearing ensures minimal runout and vibration, which is critical for applications requiring high rotational accuracy.
- Extended Service Life: The hybrid ceramic construction offers superior wear resistance and can operate effectively within a wide temperature range from -30°C to 110°C.
71916 CD/HCP4ADBA Bearing Typical Application Areas
This high-precision bearing is ideally suited for:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Aerospace & Defense Systems
- Medical & Dental Equipment
