71914 CD/P4AQFCC
71900 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
71914 CD/P4AQFCC
Basic Information
System of measurement
Metric
Weight
1.32 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
64 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°C to 110 °C
Radial dynamic load rating
20340 lbf
Radial static load rating
30825 lbf
Limiting speed
24 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Quadruplex Face-to-Face (QFC)
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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71914 CD/P4AQFCC Bearing Product Overview & Core Advantages
The 71914 CD/P4AQFCC is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. As part of a Quadruplex Face-to-Face (QFC) matched set, this bearing is engineered to handle complex combined loads with high stability. Its P4A tolerance class ensures superior running accuracy, making it ideal for high-speed spindles and other precision machinery where minimal runout and high system rigidity are critical.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 71914 | Bearing series and size designation (70mm bore, 100mm OD) |
| CD | Contact angle of 15° and optimized internal design |
| P4A | High precision tolerance class for exceptional running accuracy |
| QFC | Quadruplex Face-to-Face arrangement in a matched set of 4 bearings |
71914 CD/P4AQFCC Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The Quadruplex Face-to-Face arrangement provides exceptional system stiffness, enabling the bearing to withstand significant combined radial and axial loads. The 15° contact angle is optimized for high-speed operation while maintaining robust axial load capacity.
- Precision Performance: Manufactured to P4A tolerance class, this bearing guarantees minimal runout and vibration, crucial for applications requiring high rotational accuracy.
- High-Speed Capability: The phenolic cage offers low mass and excellent performance at high speeds, contributing to the bearing's limiting speed of 24,000 rpm.
- Pre-Lubricated & Ready-to-Use: The bearing comes pre-lubricated, simplifying installation and ensuring immediate, reliable operation within its specified temperature range of -30°C to 110°C.
71914 CD/P4AQFCC Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and turning centers
- High-Speed Machining Centers: Where superior rigidity and accuracy are paramount
- Precision Grinding Spindles: Applications demanding minimal runout and vibration
- Industrial Pumps & Compressors: For high-speed rotor support
