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Super Precision Angular Contact Ball Bearings 71911 ACE/HCP4ADGB

Super Precision Angular Contact Ball Bearings 71911 ACE/HCP4ADGB

The 71911 ACE/HCP4ADGB is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and ceramic balls for smooth operation at high speeds.

With a dynamic radial load capacity of 5355 lbf, it handles demanding applications effortlessly. Its phenolic cage ensures stability, while the open design allows for easy lubrication.

This bearing is part of a matched set, suitable for universal arrangements like back-to-back or face-to-face mounting. Ideal for precision machinery, it operates smoothly in temperatures from -30°C to 110°C.

Weighing just 0.29kg, it’s lightweight yet robust, making it a reliable choice for high-speed applications. Compliant with P4A tolerance standards, it ensures consistent performance.

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Product Parameters

  • Part Number 71911 ACE/HCP4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5355 lbf
  • Static Radial Load 4500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.29 kg
Super Precision Angular Contact Ball Bearings 71911 ACE/HCP4ADGB dimension drawing
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Features

Performance Features of 71911 ACE/HCP4ADGB Bearing

71911 ACE/HCP4ADGB Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, suitable for complex load conditions.
The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 46,000 rpm, it delivers reliable performance in high-speed applications.

How Is 71911 ACE/HCP4ADGB Bearing Engineered for Reliability?

71911 ACE/HCP4ADGB Bearing’s universal matching design allows flexible arrangements like back-to-back or face-to-face.
Its light preload (Class B) ensures minimal friction while maintaining precision under radial loads.
The ceramic balls and chrome steel rings resist wear, extending the bearing’s service life.
With a dynamic radial load capacity of 5355 lbf, it handles demanding applications with ease.

Optimized for Efficiency: 71911 ACE/HCP4ADGB Bearing

71911 ACE/HCP4ADGB Bearing’s open design and lubrication ensure smooth operation in high-speed environments.
The P4A tolerance class guarantees exceptional precision, making it ideal for critical applications.
Its temperature range of -30°C to 110°C ensures consistent performance in varying conditions.
The matched set of two bearings provides balanced load distribution and enhanced stability.

Application

Common Applications of 71911 ACE/HCP4ADGB Bearing
71911 ACE/HCP4ADGB Bearing is widely used in high-speed machine tools, where its precision and light preload ensure smooth operation. The ceramic balls reduce friction, making it ideal for applications requiring minimal heat generation.

In robotics, 71911 ACE/HCP4ADGB Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its universal matching design allows for flexible configurations in complex assemblies.

For aerospace components, 71911 ACE/HCP4ADGB Bearing’s phenolic cage and chrome steel rings offer durability in demanding conditions. The P4A tolerance class ensures consistent performance in critical systems.

Where Is 71911 ACE/HCP4ADGB Bearing Used?
71911 ACE/HCP4ADGB Bearing can be found in dental drills, where its high-speed capability and precision are essential. The open design allows for easy lubrication, maintaining performance over time.

In 3D printers, 71911 ACE/HCP4ADGB Bearing ensures accurate movement of print heads, thanks to its angular contact design. The ceramic balls also help reduce wear during continuous operation.

Built for Heavy-Duty Use: 71911 ACE/HCP4ADGB Bearing
71911 ACE/HCP4ADGB Bearing handles radial and axial loads in industrial pumps, where reliability is key. Its phenolic cage resists corrosion, even in harsh environments.

For electric vehicle motors, 71911 ACE/HCP4ADGB Bearing’s high-speed rating and low friction contribute to efficient power transfer. The universal matching feature simplifies installation in compact spaces.

Automotive vs Aerospace: Applications of 71911 ACE/HCP4ADGB Bearing
In automotive transmissions, 71911 ACE/HCP4ADGB Bearing supports smooth gear shifts with its angular contact design. The light preload ensures minimal energy loss during operation.

For aircraft landing gear, 71911 ACE/HCP4ADGB Bearing’s high dynamic load capacity and precision tolerance are crucial. The ceramic balls provide added durability under extreme conditions.

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