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The 71903 ACE/P4A is a super precision angular contact ball bearing, measuring 17mm by 30mm by 7mm, crafted from durable chrome steel. It features a 25° contact angle and is designed for angular contact loads, handling up to 718 lbf dynamically.
With a phenolic cage and open design, it offers smooth operation at speeds up to 95,000 RPM. The bearing comes pre-lubricated and performs reliably in temperatures from -30°C to 110°C.
Its P4 tolerance class ensures high precision, making it suitable for applications like machine tool spindles or high-speed robotics. The bearing is interchangeable with SKF models, providing flexibility for replacements.
Weighing just 0.016kg, it’s lightweight yet robust, ideal for precision engineering where accuracy and speed are crucial.
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Why Choose 71903 ACE/P4A Bearing for Precision Tasks?
71903 ACE/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 718 lbf, it performs reliably in demanding applications.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for high-speed operations up to 95,000 rpm.
Its compact size (17 mm × 30 mm × 7 mm) allows for easy integration into precision machinery.
The open design simplifies lubrication, ensuring smooth operation across a temperature range of -30° to 110°C.
Industrial Uses of 71903 ACE/P4A Bearing
71903 ACE/P4A Bearing is commonly used in high-speed machine spindles, where its precision and angular contact design ensure accurate rotation. The phenolic cage helps reduce friction, making it suitable for continuous operation.
What Makes 71903 ACE/P4A Bearing a Preferred Choice?
In robotics, 71903 ACE/P4A Bearing provides smooth movement for joints and arms, thanks to its 25° contact angle. Its lightweight design also minimises energy consumption in automated systems.
Perfect Fit for Automation: 71903 ACE/P4A Bearing
This bearing works well in 3D printers, supporting the precise movement of print heads. The open seal design allows for easy lubrication, extending its service life.
Medical vs Industrial: Where 71903 ACE/P4A Bearing Excels
For medical imaging devices, 71903 ACE/P4A Bearing offers quiet operation and reliability. In industrial settings, it handles radial loads efficiently, making it versatile for various applications.
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