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The 71903 ACD/P4A is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 7mm, crafted from durable chrome steel. It features a 25° contact angle and is designed for high-speed operations, reaching up to 75,000 RPM.
Its open design allows for easy lubrication, while the phenolic cage ensures smooth performance under dynamic radial loads up to 893 lbf. The bearing maintains stability even in temperatures ranging from -30°C to 110°C.
With a P4 tolerance class (equivalent to ABEC-7), this bearing offers exceptional accuracy for demanding applications. It’s interchangeable with SKF bearings, making it a reliable choice for replacements.
Ideal for precision machinery like spindles or high-speed tools, this lightweight unit weighs just 0.017kg. Its robust construction and high-speed capability make it a versatile option for engineers and technicians alike.
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Why Choose 71903 ACD/P4A Bearing for Precision Tasks?
71903 ACD/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 893 lbf, it performs reliably in high-speed applications.
The P4 tolerance class guarantees consistent accuracy, making it suitable for precision instruments.
71903 ACD/P4A Bearing operates smoothly at speeds up to 75,000 rpm, balancing speed and stability.
Its compact size (17 mm×30 mm×7 mm) allows for easy integration into space-constrained designs.
The open design simplifies lubrication, ensuring long-term performance without frequent maintenance.
This bearing is a practical choice for applications demanding both precision and reliability.
Key Fields for 71903 ACD/P4A Bearing
71903 ACD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design helps maintain accuracy during heavy cutting operations. The open seal type allows for efficient lubrication, ensuring long service life.
In robotics, 71903 ACD/P4A Bearing provides smooth motion control in articulated arms, thanks to its phenolic cage reducing friction. Its P4 tolerance class ensures minimal vibration, crucial for delicate tasks.
For medical imaging devices, 71903 ACD/P4A Bearing’s chrome steel construction offers reliable performance under consistent radial loads. The 25° contact angle also helps distribute forces evenly, enhancing stability.
Automotive applications like electric power steering benefit from 71903 ACD/P4A Bearing’s ability to handle combined loads. Its lightweight design doesn’t compromise on durability, even at high speeds.
In 3D printers, 71903 ACD/P4A Bearing ensures precise linear motion, critical for detailed prints. The lubricated design reduces maintenance needs, making it ideal for continuous operation.
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