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The 71903 CE/HCPA9ADT is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 14mm. Made from chrome steel and ceramic balls, it offers smooth operation and durability.
With a 15° contact angle, it handles both radial and thrust loads efficiently, supporting up to 1244 lbf dynamically. It spins at high speeds up to 80,000 RPM, making it suitable for demanding applications.
The phenolic cage ensures stability, while the matched pair design with preload enhances performance in precision setups. It works well in temperatures from -30°C to 110°C.
Ideal for high-speed machinery like spindles or dental tools, this bearing is interchangeable with SKF models. Its lightweight design at just 0.028kg adds to its versatility.
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How Does 71903 CE/HCPA9ADT Bearing Achieve Super Precision?
71903 CE/HCPA9ADT Bearing features a 15° contact angle and ceramic balls, ensuring high precision in angular contact applications.
Its phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 1244 lbf, it handles demanding tasks efficiently.
The bearing’s PA9A tolerance class guarantees consistent accuracy in high-speed operations up to 80,000 rpm.
Chrome steel rings and ceramic balls provide durability while maintaining smooth operation.
Its matched arrangement of two bearings ensures stability and balanced load distribution.
The open design allows for easy lubrication, extending service life.
71903 CE/HCPA9ADT Bearing operates reliably in temperatures ranging from -30°C to 110°C.
Industrial Uses of 71903 CE/HCPA9ADT Bearing
71903 CE/HCPA9ADT Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 15° contact angle ensures stable performance under combined radial and axial loads.
In robotics, 71903 CE/HCPA9ADT Bearing provides precise motion control for articulated arms, thanks to its PA9A tolerance class. The matched arrangement of two bearings enhances rigidity in dynamic applications.
For dental drills, 71903 CE/HCPA9ADT Bearing’s lubricated design and ceramic components minimise vibration during high-speed operation. Its compact size fits neatly into handheld medical devices without compromising durability.
Automotive vs Aerospace: Applications of 71903 CE/HCPA9ADT Bearing
In automotive turbochargers, 71903 CE/HCPA9ADT Bearing handles rapid acceleration with its 80,000 rpm rating. The chrome steel rings withstand constant temperature fluctuations in engine bays.
Aerospace actuators benefit from 71903 CE/HCPA9ADT Bearing’s lightweight phenolic cage, which reduces overall system weight. The preload option ensures consistent performance under variable flight conditions.
How Does 71903 CE/HCPA9ADT Bearing Improve Performance?
71903 CE/HCPA9ADT Bearing’s ceramic balls significantly lower friction compared to steel alternatives, extending service life in CNC machinery. The open design allows for custom lubrication to suit specific operating conditions.
In 3D printers, 71903 CE/HCPA9ADT Bearing’s precision tolerances contribute to smoother linear motion and better print quality. The matched bearing set simplifies installation while maintaining alignment accuracy.
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