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The 7018 ACE/HCP4ADBB is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, measuring 48mm wide. Made from chrome steel and ceramic balls, it offers smooth performance under high speeds.
With a 25° contact angle and light preload, it handles radial loads up to 12442 lbf and spins at speeds up to 15000 RPM. The phenolic cage ensures durability and reduces friction.
This matched pair (DB arrangement) is ideal for applications requiring high precision, such as machine tools or spindles. It operates in temperatures from -30°C to 110°C and comes pre-lubricated for easy use.
Weighing 2.22kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.
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Performance Features of 7018 ACE/HCP4ADBB Bearing
7018 ACE/HCP4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability and reduce friction during high-speed operation.
With a dynamic radial load capacity of 12442 lbf, it handles demanding conditions reliably.
The phenolic cage ensures smooth operation and minimises wear, even at speeds up to 15,000 rpm.
Its matched arrangement of two bearings in a DB configuration provides stability and precision.
The light preload (Class B) ensures consistent performance without excessive friction.
7018 ACE/HCP4ADBB Bearing operates efficiently within a temperature range of -30°C to 110°C.
The open seal design allows for easy lubrication, maintaining optimal performance over time.
Industrial Uses of 7018 ACE/HCP4ADBB Bearing
7018 ACE/HCP4ADBB Bearing is commonly used in high-speed machine spindles, where its precision and angular contact design ensure accurate rotation. The ceramic balls reduce friction, making it suitable for applications demanding smooth operation.
In robotics, 7018 ACE/HCP4ADBB Bearing supports articulated arms, providing stability and load capacity. Its light preload and matched arrangement enhance performance in repetitive motion tasks.
For aerospace components, 7018 ACE/HCP4ADBB Bearing’s phenolic cage and chrome steel rings withstand extreme conditions. The P4A tolerance class ensures reliability in critical systems like flight control mechanisms.
Where Is 7018 ACE/HCP4ADBB Bearing Used?
7018 ACE/HCP4ADBB Bearing fits well in CNC machining centres, handling both radial and axial loads with ease. The lubricated design extends service life even under continuous operation.
In medical imaging devices, 7018 ACE/HCP4ADBB Bearing’s low vibration and high-speed capability improve scan accuracy. The ceramic balls also minimise heat generation, crucial for sensitive equipment.
Built for Heavy-Duty Use: 7018 ACE/HCP4ADBB Bearing
7018 ACE/HCP4ADBB Bearing excels in industrial pumps, where its dynamic load capacity and durability are key. The open seal allows for easy relubrication in harsh environments.
For electric vehicle motors, 7018 ACE/HCP4ADBB Bearing’s high-speed rating and low friction enhance efficiency. The matched bearing set ensures balanced performance in compact designs.
Automotive vs Aerospace: Applications of 7018 ACE/HCP4ADBB Bearing
In automotive transmissions, 7018 ACE/HCP4ADBB Bearing handles angular loads while maintaining smooth gear shifts. Its metric sizing aligns with global manufacturing standards.
For aerospace actuators, 7018 ACE/HCP4ADBB Bearing’s precision and temperature stability are vital. The ceramic balls and phenolic cage reduce weight without compromising strength.
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