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The 71903 CE/PA9ADT is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 14mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.
This bearing handles radial loads up to 1244 lbf and spins smoothly at high speeds, reaching up to 80,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.
The open design allows for easy lubrication, while the PA9A tolerance class guarantees precise alignment. Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy is key.
Weighing just 0.032kg per bearing, this matched set offers a lightweight solution without compromising strength. It operates reliably in temperatures from -30°C to 110°C, making it versatile for various industrial uses.
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Why Choose 71903 CE/PA9ADT Bearing for Precision Tasks?
71903 CE/PA9ADT Bearing features a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 1244 lbf, it performs reliably in high-speed applications.
The matched arrangement of two bearings enhances stability, making it suitable for precision tasks.
Key Fields for 71903 CE/PA9ADT Bearing
71903 CE/PA9ADT Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The paired arrangement helps distribute loads evenly, making it suitable for demanding machining tasks.
In robotics, 71903 CE/PA9ADT Bearing supports articulated arms, providing smooth movement and reducing friction. Its phenolic cage offers lightweight durability, ideal for repetitive motions in automated systems.
For dental drills and surgical tools, 71903 CE/PA9ADT Bearing’s high-speed capability and low vibration are essential. The chrome steel construction ensures reliability in sterile environments where performance cannot be compromised.
Where Is 71903 CE/PA9ADT Bearing Used?
You’ll often find 71903 CE/PA9ADT Bearing in CNC machinery, where its tight tolerances and preload options enhance cutting precision. The open design allows for easy lubrication, extending service life in continuous operation.
In electric vehicle motors, 71903 CE/PA9ADT Bearing handles radial and axial loads efficiently. Its metric sizing and compatibility with SKF models make it a versatile choice for hybrid and full-electric powertrains.
Built for Heavy-Duty Use: 71903 CE/PA9ADT Bearing
71903 CE/PA9ADT Bearing excels in industrial pumps, where its angular contact design manages both thrust and radial forces. The phenolic cage resists corrosion, even in wet or chemically aggressive environments.
For precision measuring instruments, 71903 CE/PA9ADT Bearing’s low friction and high-speed stability ensure accurate readings. Its temperature range also allows consistent performance in lab conditions.
Automotive vs Aerospace: Applications of 71903 CE/PA9ADT Bearing
In automotive transmissions, 71903 CE/PA9ADT Bearing supports gear shafts with minimal noise, enhancing driver comfort. The matched set configuration reduces play, improving shift smoothness.
Aerospace actuators rely on 71903 CE/PA9ADT Bearing for its lightweight yet robust construction. The high-speed rating and thermal stability make it dependable in critical flight control systems.
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