S71916 CB/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S71916 CB/P4A
Basic Information
System of measurement
Metric
Weight
0.4 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
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
6.747 mm
Ball quantity
34
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
3510 lbf
Radial static load rating
3375 lbf
Limiting speed
16 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:
$ 1057.05
/ each
In Stock
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S71916 CB/P4A Bearing Product Overview & Core Advantages
The S71916 CB/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This single-row bearing features a 15° contact angle and is supplied with a preload, making it ideal for supporting combined radial and axial loads in one direction. Its P4 (ABEC-7) tolerance class ensures superior running accuracy, while its compact design and optimized internal geometry contribute to high-speed capability and stable performance in precision machinery.
S71916 CB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S71916 | Series designation for a high-precision angular contact ball bearing. |
| CB | Specific internal design and contact angle (15° in this case). |
| P4A | Indicates a P4 tolerance class (equivalent to ABEC-7) and that the bearing is supplied with a specific preload. |
S71916 CB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4 tolerance class with a phenolic resin cage, this bearing provides excellent dimensional stability and minimal runout, which is critical for high-precision spindles.
- Optimized Load Capacity: The 15° contact angle is engineered to efficiently handle combined loads, offering high radial dynamic load rating (3510 lbf) and axial load capacity.
- Superior High-Speed Performance: The lightweight phenolic cage and precision-ground chrome steel components enable a high limiting speed of 16,000 rpm, reducing centrifugal forces and operational temperatures.
- Sealed and Lubricated for Life: As a sealed unit, it is protected from contaminants and comes pre-lubricated, ensuring long-term, maintenance-free operation within its specified temperature range.
S71916 CB/P4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications requiring precision and speed, such as:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Medical and Dental Equipment
- Aerospace Instrumentation
