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The 71903 CD/PA9ADT is a super precision angular contact ball bearing with a 17mm bore and 30mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched set of two bearings for balanced performance.
This bearing handles radial loads up to 1521 lbf and can reach speeds of 121,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under demanding conditions.
The open design allows for easy lubrication, while the PA9A tolerance class guarantees precise performance. Ideal for use in machine tools or spindle drives where accuracy and speed are crucial.
Weighing just 0.034kg, it’s lightweight yet robust. It operates efficiently in temperatures from -30°C to 110°C, ensuring reliability in various environments.
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Performance Features of 71903 CD/PA9ADT Bearing
71903 CD/PA9ADT Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 1521 lbf.
The phenolic cage maintains ball alignment, reducing friction and wear during high-speed operation.
With a maximum speed of 121,000 rpm, it delivers reliable performance in precision tasks.
71903 CD/PA9ADT Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement with two bearings ensures stability and consistent performance.
The preload availability enhances rigidity, making it suitable for demanding applications.
Its compact size (17 mm×30 mm×14 mm) allows for easy integration into various systems.
Essential Roles of 71903 CD/PA9ADT Bearing
71903 CD/PA9ADT Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings enhances stability, making it suitable for demanding machining tasks.
In robotics, 71903 CD/PA9ADT Bearing supports articulated arms, providing smooth movement and load handling. Its phenolic cage reduces friction, which is ideal for repetitive motions in automated systems.
For aerospace applications, 71903 CD/PA9ADT Bearing’s high-speed capability and temperature resistance make it reliable in avionics and control systems. The chrome steel construction ensures durability even under continuous use.
Where Is 71903 CD/PA9ADT Bearing Used?
71903 CD/PA9ADT Bearing can be found in dental drills, where its precision and low vibration are crucial for patient comfort. The open design allows for easy cleaning, maintaining hygiene standards.
In 3D printers, 71903 CD/PA9ADT Bearing ensures precise linear motion, contributing to high-quality prints. Its lightweight design also helps in reducing the overall weight of moving parts.
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