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The 71904 CD/P4ADBC is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2194 lbf and operates smoothly at high speeds up to 80,000 RPM.
Its 15° contact angle and matched pair design (DB arrangement) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.
This bearing is preloaded for moderate stiffness, making it suitable for precision applications. It performs well in temperatures from -30°C to 110°C.
Ideal for machine tools or high-speed spindles where accuracy is crucial. Weighing just 0.07kg, it’s lightweight yet robust. Complies with P4A tolerance standards for precise performance.
The open design allows easy relubrication when needed. Interchangeable with SKF bearings for convenient replacement.
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Why Choose 71904 CD/P4ADBC Bearing for Precision Tasks?
71904 CD/P4ADBC Bearing features a 15° 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 for smoother operation.
The matched arrangement of two bearings provides balanced performance, suitable for high-speed applications up to 80,000 rpm.
With a P4A tolerance class, it delivers consistent accuracy in demanding environments.
Industrial Uses of 71904 CD/P4ADBC Bearing
71904 CD/P4ADBC Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The moderate preload helps maintain stability during demanding operations.
In robotics, 71904 CD/P4ADBC Bearing supports articulated arms, providing smooth movement with minimal friction. Its phenolic cage reduces weight while maintaining durability.
For medical imaging devices, 71904 CD/P4ADBC Bearing’s chrome steel construction offers reliable performance in sensitive environments. The open design allows for easy lubrication, extending service life.
Automotive vs Aerospace: Applications of 71904 CD/P4ADBC Bearing
In automotive systems, 71904 CD/P4ADBC Bearing is ideal for gearboxes, handling both radial and axial loads efficiently. Its metric sizing ensures compatibility with various vehicle designs.
Aerospace applications benefit from 71904 CD/P4ADBC Bearing’s high-speed capabilities, crucial for avionics and control systems. The P4A tolerance class guarantees precision in critical operations.
Where Is 71904 CD/P4ADBC Bearing Used?
You’ll find 71904 CD/P4ADBC Bearing in CNC machines, where its angular contact design supports precise tool positioning. The matched arrangement enhances load distribution for longer bearing life.
It’s also a go-to choice for 3D printers, ensuring smooth linear motion in print heads. The lubricated design reduces maintenance needs, making it user-friendly for hobbyists and professionals alike.
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