71914 CD/P4ATGB
71900 Series Super Precision Angular Contact Ball Bearings
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71914 CD/P4ATGB Bearing Product Overview & Core Advantages
The 71914 CD/P4ATGB is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing excels in high-speed operations with a limiting speed of 24,000 rpm. Its universal matchable (SU) design allows for flexible mounting in various preload configurations, enabling optimal performance in complex arrangements. The bearing is pre-lubricated and features a light preload (Class B) and a 15° contact angle, making it ideal for handling combined radial and axial loads simultaneously in high-precision machinery.
71914 CD/P4ATGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71914 | Basic bearing designation indicating size series and bore diameter (70mm) |
| CD | Contact angle designation (15°) and optimized internal design |
| P4A | High precision tolerance class exceeding ABEC 7 standards |
| TGB | Universal matchable bearing (SU) for flexible mounting arrangements |
71914 CD/P4ATGB Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with tight dimensional control (bore and OD tolerance: -0.004mm to 0) ensures minimal runout and vibration for superior rotational accuracy.
Optimized Load Capacity: The 15° contact angle and 24 chrome steel balls (9.525mm diameter) provide excellent capability to handle combined radial and axial loads, with dynamic load rating of 16,672 lbf and static load rating of 22,950 lbf.
High-Speed Performance: The phenolic cage material and optimized internal geometry enable reliable operation at speeds up to 24,000 rpm, making it suitable for high-speed spindle applications.
Thermal Stability: The phenolic cage and chrome steel construction maintain dimensional stability across the operating temperature range of -30°C to 110°C.
Universal Matching Capability: As a universal matchable (SU) bearing, it can be mounted in various preload configurations (back-to-back, face-to-face, or tandem) using three bearings in a matched set for optimal system rigidity.
71914 CD/P4ATGB Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- High-Speed Motors - Electric motor spindles requiring precision and speed
- Precision Instrumentation - Measuring equipment and laboratory instruments
- Aerospace Components - Guidance systems and auxiliary power units
- Medical Equipment - Dental handpieces and surgical tool drives
- Robotics - High-accuracy robotic arm joints and positioning systems
