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Super Precision Angular Contact Ball Bearings 71911 CE/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71911 CE/HCP4ADGA

The 71911 CE/HCP4ADGA is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles dynamic radial loads up to 5648 lbf and spins at impressive speeds up to 34,000 RPM. Its phenolic cage and universal matching design ensure reliable performance in demanding conditions.

The open seal allows easy lubrication, while the P4A tolerance class guarantees precision. It works in temperatures from -30°C to 110°C, making it versatile for various environments.

Ideal for high-speed applications like machine tool spindles or precision equipment. Weighing just 0.29kg, it’s lightweight yet robust, and comes in a matched set of two for flexible mounting options.

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Product Parameters

  • Part Number 71911 CE/HCP4ADGA
  • 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 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 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
  • Price（$） 365.85
Super Precision Angular Contact Ball Bearings 71911 CE/HCP4ADGA dimension drawing
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Features

Performance Features of 71911 CE/HCP4ADGA Bearing

71911 CE/HCP4ADGA 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 5648 lbf, it excels in demanding applications.

71911 CE/HCP4ADGA Bearing operates smoothly at speeds up to 34,000 rpm, thanks to its superior design.
The universal matching feature enables flexible arrangement options for various load requirements.

Its extra light preload ensures minimal friction, making it ideal for precision tasks.
The open seal design allows for easy lubrication, extending the bearing’s service life.

71911 CE/HCP4ADGA Bearing performs reliably in temperatures ranging from -30°C to 110°C.
The P4A tolerance class guarantees consistent accuracy and performance.

Application

Key Fields for 71911 CE/HCP4ADGA Bearing
71911 CE/HCP4ADGA Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise rotation, ideal for CNC machining centres.

In aerospace applications, 71911 CE/HCP4ADGA Bearing supports critical components like turbine shafts, thanks to its angular contact design and universal matching capability. The extra-light preload enhances performance in demanding flight conditions.

For robotics, 71911 CE/HCP4ADGA Bearing provides smooth motion in articulated arms, with its 15° contact angle optimised for combined loads. The lubricated design ensures long service life even in continuous operation.

Medical imaging systems benefit from 71911 CE/HCP4ADGA Bearing’s quiet operation and minimal vibration, crucial for accurate diagnostics. The chrome steel rings offer durability in sterilisation environments.

In precision measuring instruments, 71911 CE/HCP4ADGA Bearing maintains dimensional stability under varying temperatures. Its metric sizing makes it compatible with European laboratory equipment standards.

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