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The 71905 ACD/HCP4ADBA is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from high-quality chrome steel. Its compact design measures just 25mm by 42mm by 18mm, making it suitable for tight spaces.
This bearing handles radial loads up to 2340 lbf and spins smoothly at speeds up to 103,000 RPM, thanks to its ceramic balls and phenolic cage. The 25° contact angle ensures efficient load distribution for angular contact applications.
Its open design allows for easy lubrication, while the extra-light preload (Class A) ensures minimal friction. The matched arrangement of two bearings (DB) provides stability for high-precision tasks.
Ideal for applications like machine tool spindles or high-speed robotics, where precision and speed are crucial. Compliant with P4A tolerance standards, it operates reliably in temperatures from -30°C to 110°C. Weighing just 0.078kg, it’s lightweight yet durable.
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Performance Features of 71905 ACD/HCP4ADBA Bearing
71905 ACD/HCP4ADBA Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation at high speeds up to 103,000 rpm.
The phenolic cage maintains ball alignment, reducing friction and wear during extended use.
With a dynamic radial load capacity of 2340 lbf, it handles demanding tasks reliably.
Designed for extra light preload, 71905 ACD/HCP4ADBA Bearing offers enhanced accuracy in matched bearing arrangements.
Its open design allows for easy lubrication, ensuring consistent performance.
The P4A tolerance class guarantees high precision, making it suitable for critical applications.
Operating between -30°C to 110°C, it performs well in varied temperature conditions.
Where Is 71905 ACD/HCP4ADBA Bearing Used?
71905 ACD/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its super precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation.
In robotics, 71905 ACD/HCP4ADBA Bearing supports articulated arms, providing stability and precision in repetitive movements. The matched arrangement of two bearings enhances load distribution, extending service life.
For medical imaging devices, 71905 ACD/HCP4ADBA Bearing’s phenolic cage and chrome steel rings offer reliability in sensitive environments. Its extra-light preload ensures minimal vibration, crucial for clear imaging results.
In automotive applications, 71905 ACD/HCP4ADBA Bearing is found in electric motor systems, where its high-speed capability and low heat generation improve efficiency. The open design allows for easy lubrication, maintaining performance over time.
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