71916 CE/P4A
71900 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
71916 CE/P4A
Basic Information
System of measurement
Metric
Weight
0.36 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
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
24
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
5152 lbf
Radial static load rating
4050 lbf
Limiting speed
25 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 880.77
/ each
In Stock
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71916 CE/P4A Bearing Product Overview & Core Advantages
The 71916 CE/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Designed to accommodate combined radial and axial loads simultaneously, this bearing features a 15° contact angle for optimal thrust capacity. Manufactured to P4 (ABEC-7) tolerance class, it ensures minimal runout and vibration, making it ideal for high-speed spindles and precision machinery where dimensional stability and reliability are critical.
71916 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| CE | Contact angle of 15° and optimized internal design for high-speed operation |
| P4A | Precision tolerance class equivalent to ABEC-7 with enhanced running accuracy |
71916 CE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The single-row angular contact design with P4 tolerance provides superior rotational accuracy and stiffness, essential for maintaining precise positioning under load.
- Optimized Load Capacity: With a 15° contact angle and chrome steel construction, this bearing efficiently handles combined radial and axial loads, offering a dynamic load rating of 5152 lbf and static load rating of 4050 lbf.
- High-Speed Performance: The phenolic resin cage reduces centrifugal forces and friction, enabling a limiting speed of 25,000 rpm while maintaining stability.
- Thermal Stability: Operating within a temperature range of -30°C to 110°C, the bearing maintains consistent performance in demanding environments.
71916 CE/P4A Bearing Typical Application Areas
- Machine Tool Spindles for CNC machining centers and grinding machines
- High-Speed Motors and precision spindles
- Industrial Pumps and compressors
- Precision Instruments and measuring equipment
- Aerospace Actuation Systems requiring high reliability
