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Super Precision Angular Contact Ball Bearings 71911 CE/HCPA9ADGA

Super Precision Angular Contact Ball Bearings 71911 CE/HCPA9ADGA

The 71911 CE/HCPA9ADGA 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 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 5648 lbf and spins at speeds up to 34,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability and reduces friction.

Designed for universal matching, it can be arranged back-to-back, face-to-face, or tandem for versatile use. The extra light preload (Class A) enhances precision in demanding setups.

Ideal for machine tools or high-speed spindles, it operates in temperatures from -30°C to 110°C. Weighing 0.29kg, it’s lightweight yet robust. Comes as a matched set of two bearings for balanced performance.

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Product Parameters

  • Part Number 71911 CE/HCPA9ADGA
  • 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 15°
  • Tolerance Class PA9A
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5648 lbf
  • Static Radial Load 4770 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.29 kg
Super Precision Angular Contact Ball Bearings 71911 CE/HCPA9ADGA dimension drawing
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Features

Performance Features of 71911 CE/HCPA9ADGA Bearing

71911 CE/HCPA9ADGA Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.

Its chrome steel rings and ceramic balls reduce friction, enhancing speed and efficiency.

The phenolic cage ensures smooth operation, even at high speeds up to 34,000 rpm.

With universal matching, it supports various arrangements like back-to-back or face-to-face.

Application

Key Fields for 71911 CE/HCPA9ADGA Bearing
71911 CE/HCPA9ADGA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 15° contact angle ensures precise handling of combined radial and axial loads.

How Does 71911 CE/HCPA9ADGA Bearing Improve Performance?
In automotive applications like electric motor systems, 71911 CE/HCPA9ADGA Bearing’s extra-light preload enhances efficiency and reduces energy consumption. Its universal matching design allows flexible mounting in back-to-back or face-to-face configurations.

Perfect Fit for Automation: 71911 CE/HCPA9ADGA Bearing
For robotic arms and CNC machinery, 71911 CE/HCPA9ADGA Bearing offers reliable performance with its PA9A tolerance class. The lubricated design ensures smooth operation even at speeds up to 34,000 rpm.

Medical vs Industrial: Where 71911 CE/HCPA9ADGA Bearing Excels
In medical imaging devices, 71911 CE/HCPA9ADGA Bearing’s ceramic balls provide quiet, non-magnetic operation. Industrial pumps benefit from its chrome steel rings, which withstand heavy loads and harsh environments.

Q&A

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