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The 71902 ACD/P4A is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 7mm, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for angular contact loads, offering smooth operation at high speeds.
With a dynamic radial load capacity of 848 lbf and a maximum speed of 80,000 RPM, this bearing is built for demanding applications. Its open design and phenolic cage ensure durability and easy maintenance, while the P4 tolerance class guarantees precision performance.
Ideal for high-speed machinery like spindles or precision tools, this bearing operates efficiently in temperatures from -30°C to 110°C. Weighing just 0.015kg, it’s lightweight yet robust, making it a reliable choice for precision engineering needs.
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Performance Features of 71902 ACD/P4A Bearing
71902 ACD/P4A Bearing is designed with a 25° 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 848 lbf.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds.
With a maximum speed of 80,000 rpm, it is suitable for precision tasks requiring fast rotation.
Preload availability allows for fine-tuning, ensuring stability in demanding conditions.
Its P4 tolerance class guarantees high precision, making it ideal for applications where accuracy is crucial.
The open design simplifies lubrication, maintaining consistent performance over time.
Weighing just 0.015 kg, it offers a balance of strength and lightweight efficiency.
Where Is 71902 ACD/P4A Bearing Used?
71902 ACD/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design help maintain accuracy during operations. The open seal type allows for efficient lubrication, ensuring smooth performance even at 80,000 rpm.
In robotics, 71902 ACD/P4A Bearing supports articulated arms, providing stability and reducing friction in dynamic movements. Its phenolic cage offers lightweight durability, making it ideal for repetitive motion applications.
For medical imaging devices, 71902 ACD/P4A Bearing’s P4 tolerance ensures minimal vibration, crucial for clear and precise scans. The chrome steel construction also enhances longevity in sterile environments.
In automotive electric motors, 71902 ACD/P4A Bearing handles radial and axial loads efficiently, contributing to quieter and more reliable performance. Its compact size fits well in space-constrained designs.
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