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The 71918 ACD/HCP4ATBTB is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a set of three matched bearings (TBT arrangement) for balanced performance.
This bearing handles radial loads up to 21510 lbf and spins smoothly at speeds up to 15000 RPM, thanks to its ceramic balls and phenolic cage. The open design allows for easy lubrication, ensuring long-lasting operation in temperatures from -30°C to 110°C.
Its light preload (Class B) and P4A tolerance class make it ideal for high-precision applications like machine tool spindles or high-speed robotics. The matched set ensures consistent performance under angular loads.
Weighing 1.42kg, it’s a robust choice for demanding environments where precision and reliability are key. Interchangeable with SKF bearings, it offers a practical solution for replacements or upgrades.
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Performance Features of 71918 ACD/HCP4ATBTB Bearing
71918 ACD/HCP4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction.
Its dynamic radial load capacity of 21510 lbf ensures reliable performance in high-speed operations.
The phenolic cage maintains ball alignment, contributing to smooth and quiet running.
With a maximum speed of 15,000 rpm, 71918 ACD/HCP4ATBTB Bearing is suited for precision tasks.
The matched arrangement of three bearings provides stability and consistent performance.
The light preload design reduces vibration, making it ideal for sensitive applications.
Its temperature range of -30°C to 110°C ensures versatility in various operating conditions.
Industrial Uses of 71918 ACD/HCP4ATBTB Bearing
71918 ACD/HCP4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.
In automotive applications, 71918 ACD/HCP4ATBTB Bearing supports performance gearboxes, providing stability under heavy radial and axial loads. Its matched arrangement of three bearings enhances load distribution for smoother operation.
For medical imaging devices, 71918 ACD/HCP4ATBTB Bearing’s phenolic cage and chrome steel rings offer durability and precision. The P4A tolerance class ensures reliable performance in sensitive equipment.
Automation systems benefit from 71918 ACD/HCP4ATBTB Bearing’s light preload and high-speed capabilities, ideal for robotic arms and CNC machinery. The open design allows for easy lubrication and maintenance.
In aerospace components, 71918 ACD/HCP4ATBTB Bearing’s temperature range and ceramic balls make it a dependable choice for navigation systems. Its metric sizing ensures compatibility with international standards.
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