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Super Precision Angular Contact Ball Bearings 71911 CD/HCP4AQGB

Super Precision Angular Contact Ball Bearings 71911 CD/HCP4AQGB

The 71911 CD/HCP4AQGB is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 11408 lbf and spins smoothly at speeds up to 39000 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, making it versatile for various setups. The phenolic cage ensures durability and reduces friction.

This bearing comes pre-lubricated and operates efficiently in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tools or aerospace systems where accuracy and speed are crucial.

Weighing 0.61kg, it’s part of a matched set of four bearings, ensuring consistent performance. Compliant with P4A tolerance class for exceptional precision.

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Product Parameters

  • Part Number 71911 CD/HCP4AQGB
  • 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 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 4
  • 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 11408 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 39000 rpm
  • Weight 0.61 kg
Super Precision Angular Contact Ball Bearings 71911 CD/HCP4AQGB dimension drawing
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Features

Performance Features of 71911 CD/HCP4AQGB Bearing

71911 CD/HCP4AQGB Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 11408 lbf, it excels in demanding applications.

71911 CD/HCP4AQGB Bearing operates smoothly at speeds up to 39,000 rpm, thanks to its superior design.
The universal matching feature enables flexible arrangement options for various load requirements.

Its P4A tolerance class ensures consistent precision, making it ideal for high-accuracy machinery.
The lubricated design further reduces wear, extending the bearing’s service life.

Application

Key Fields for 71911 CD/HCP4AQGB Bearing
71911 CD/HCP4AQGB Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures exceptional precision for demanding applications.

In aerospace components, 71911 CD/HCP4AQGB Bearing handles angular loads efficiently, making it suitable for helicopter gearboxes and turbine systems. Its universal matching design simplifies installation in complex assemblies.

For robotics, 71911 CD/HCP4AQGB Bearing’s light preload and high-speed capability enhance performance in articulated arms and precision actuators. The open seal design allows for easy relubrication in long-duty cycles.

Medical imaging devices benefit from 71911 CD/HCP4AQGB Bearing’s smooth operation and low vibration, critical for maintaining scan accuracy. The chrome steel rings provide durability in sterile environments.

In electric vehicle motors, 71911 CD/HCP4AQGB Bearing supports high RPM operation while maintaining stability under radial and axial loads. Its metric sizing ensures compatibility with European and Asian motor designs.

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