S71914 CE/P4ADT
Sealed Super Precision Angular Contact Ball Bearings
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S71914 CE/P4ADT Bearing Product Overview & Core Advantages
The S71914 CE/P4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. This duplex tandem (DT) arrangement consists of two matched bearings, preloaded to deliver superior high rigidity and axial stiffness. Engineered to a P4A tolerance class, it is optimized for high-speed operation and can handle combined radial and axial loads simultaneously. Its compact design and phenolic cage contribute to stable performance in precision machinery.
S71914 CE/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S71914 | Precision bearing series with 70mm bore, 100mm OD, 32mm width |
| CE | High-precision contact angle optimization |
| P4A | Super precision tolerance class (geometric tolerances tighter than ABEC 7) |
| DT | Duplex Tandem arrangement - two bearings matched for increased axial load capacity in one direction |
S71914 CE/P4ADT Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex tandem configuration with preload provides exceptional stiffness, enabling precise positioning under heavy combined loads. The 15° contact angle is optimized for substantial axial load carrying capacity.
High-Speed Performance: The phenolic cage offers excellent strength-to-weight ratio, reducing centrifugal forces and enabling operation at limiting speeds up to 28,000 rpm. The precision-ground chrome steel components ensure smooth rotation.
Sealed & Lubricated Design: As a sealed bearing with factory-applied grease lubrication, it offers protection against contamination and is ready for immediate installation, reducing maintenance requirements.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls on bearing dimensions (bore, OD, width), ensuring consistent performance in precision applications.
S71914 CE/P4ADT Bearing Typical Application Areas
This high-precision duplex tandem bearing is ideally suited for:
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- High-Frequency Spindles - PCB drilling and precision engraving equipment
- Precision Instrumentation - Measuring devices and optical positioning systems
- Robotic Systems - High-accuracy robotic arms and automation equipment
- Medical Equipment - Dental handpieces and surgical tool drives
