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Super Precision Angular Contact Ball Bearings 71911 CE/HCP4A

Super Precision Angular Contact Ball Bearings 71911 CE/HCP4A

The 71911 CE/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, designed for high-speed applications. It features a 15° contact angle and is made from durable chrome steel with ceramic balls for smooth operation.

This bearing handles radial loads up to 3510 lbf and can reach speeds of 43,000 RPM, making it suitable for demanding tasks. Its phenolic cage ensures stability and reduces friction during high-speed rotation.

The open design allows for easy lubrication, while the P4 tolerance class guarantees precise performance. Ideal for use in machine tools or precision equipment where accuracy and speed are crucial.

Weighing just 0.14kg, it’s lightweight yet robust, with a temperature range of -30°C to 110°C. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71911 CE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3510 lbf
  • Static Radial Load 2385 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 43000 rpm
  • Weight 0.14 kg
  • Price（$） 44.64
Super Precision Angular Contact Ball Bearings 71911 CE/HCP4A dimension drawing
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Features

Why Choose 71911 CE/HCP4A Bearing for Precision Tasks?

71911 CE/HCP4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

With a dynamic radial load capacity of 3510 lbf, it handles demanding tasks reliably.
The phenolic cage maintains ball alignment, enhancing durability and performance.

Operating at speeds up to 43,000 rpm, it excels in high-speed scenarios.
Its P4 tolerance class guarantees precision, making it suitable for critical applications.

The open design allows for easy lubrication, ensuring consistent performance.
71911 CE/HCP4A Bearing works efficiently within a temperature range of -30° to 110°C.

Application

Common Applications of 71911 CE/HCP4A Bearing
71911 CE/HCP4A Bearing is widely used in high-speed machine tools, where its 15° contact angle ensures smooth operation under angular loads. The ceramic balls reduce friction, making it ideal for precision grinding applications.

In robotics, 71911 CE/HCP4A Bearing supports articulated arms, providing the necessary rigidity for repeatable movements. Its phenolic cage offers lightweight durability, which is crucial for energy-efficient automation systems.

For aerospace components, 71911 CE/HCP4A Bearing’s P4 tolerance class guarantees the accuracy needed in navigation systems. The open design allows for custom lubrication, adapting to various operational conditions.

Medical imaging devices benefit from 71911 CE/HCP4A Bearing’s low heat generation, ensuring stable performance during prolonged scans. The chrome steel rings add longevity, even in sterile environments.

In electric vehicles, 71911 CE/HCP4A Bearing enhances motor efficiency by minimising energy loss at high RPMs. Its metric sizing simplifies integration into European and Asian automotive designs.

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