71914 CE/P4ATBTG24
71900 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
71914 CE/P4ATBTG24
Basic Information
System of measurement
Metric
Weight
0.96 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
48 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
10688 lbf
Radial static load rating
10800 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Triplex Back-to-Back (TBT)
Number of bearings in matched set
3
Universal matching bearing
No (Standard)
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
In Stock
Price available upon request.
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71914 CE/P4ATBTG24 Bearing Product Overview & Core Advantages
The 71914 CE/P4ATBTG24 is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This matched arrangement bearing set consists of three bearings configured in a Triplex Back-to-Back (TBT) arrangement, providing superior stability and the ability to handle combined loads (radial and axial) simultaneously. Manufactured to a P4A tolerance class, it ensures ultra-precise rotational accuracy and is preloaded for immediate high-performance operation. Its compact design and high load capacity make it an ideal solution for high-speed, high-rigidity spindles and precision machinery.
71914 CE/P4ATBTG24 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71914 | Basic bearing series and size designation (70mm bore, 100mm OD). |
| CE | Specific internal design and contact angle (15°). |
| P4A | High precision tolerance class, exceeding ABEC 7/ISO P4 standards. |
| TBT | Triplex Back-to-Back matched set arrangement. |
| G | Preload level designation. |
| 24 | Specific preload amount code. |
71914 CE/P4ATBTG24 Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The Triplex Back-to-Back (TBT) configuration of three bearings creates an extremely rigid bearing system, effectively resisting complex moment loads and ensuring minimal shaft deflection under heavy combined loads.
- Superior Load Capacity: With a dynamic load rating of 10688 lbf and a static load rating of 10800 lbf, this set is engineered to handle significant radial and axial forces, making it suitable for heavy-duty precision applications.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the 15° contact angle and precision grinding contribute to a high limiting speed of 28,000 rpm, qualifying it as a true high-speed bearing.
- Pre-Configured Precision: Supplied as a factory-matched and preloaded set, it eliminates the need for complex on-site adjustment, ensuring immediate optimal performance, reduced vibration, and enhanced positional accuracy right from installation.
71914 CE/P4ATBTG24 Bearing Typical Application Areas
This bearing set is specifically engineered for high-performance machinery where precision, speed, and rigidity are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Applications requiring ultra-fine surface finishes.
- High-Frequency Motors and Spindles: Where minimal runout and high rotational accuracy are critical.
- Industrial Pumps and Compressors: For shafts subjected to significant axial and radial forces.
