71914 CE/P4ADBA
71900 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Product Overview and Core Advantages
The 71914 CE/P4ADBA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This duplex back-to-back (DB) arrangement provides superior stiffness and can accommodate combined radial and axial loads from both directions. Manufactured to P4A tolerance class, it delivers ultra-precise running accuracy, making it ideal for high-speed spindles and other precision machinery where minimal runout and high reliability are critical.
71914 CE/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71914 | Basic bearing designation (70mm bore, 100mm OD, 32mm width) |
| CE | High-precision design with a 15° contact angle |
| P4A | Ultra-precision tolerance class for exceptional dimensional and running accuracy |
| DB | Duplex Back-to-Back mounting arrangement for high rigidity |
| A | Extra light preload for optimal performance in high-speed applications |
Structural Features and Performance Benefits
- High Rigidity and Load Capacity: The duplex back-to-back (DB) arrangement creates a rigid bearing system that effectively resists moment loads and can handle significant combined radial and axial loads.
- Precision Performance: Manufactured to P4A tolerance class with a 15° contact angle, this bearing ensures minimal vibration and precise shaft positioning, crucial for high-speed applications.
- Optimized High-Speed Operation: The phenolic resin cage offers low weight and excellent performance at high rotational speeds, contributing to the bearing's limiting speed of 28,000 rpm.
- Superior Material Construction: Made from chrome steel for both rings and balls, providing high durability and fatigue resistance under demanding operating conditions.
71914 CE/P4ADBA Bearing Typical Application Areas
This precision bearing is specifically engineered for applications requiring the highest levels of accuracy and speed:
- Machine Tool Spindles (CNC machining centers, grinding spindles)
- High-Speed Precision Equipment
- Industrial Pumps and Compressors
- Precision Measuring Instruments
- Aerospace and Defense Systems
