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Super Precision Angular Contact Ball Bearings 71911 CE/HCP4ADBA

Super Precision Angular Contact Ball Bearings 71911 CE/HCP4ADBA

The 71911 CE/HCP4ADBA 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 comes in a matched pair for balanced performance.

With a dynamic radial load capacity of 5648 lbf, it spins smoothly at speeds up to 34,000 RPM. The ceramic balls and phenolic cage reduce friction, ensuring quiet operation.

Its open design allows for easy lubrication, while the extra-light preload (Class A) ensures precise movement. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.29kg, this bearing is lightweight yet durable. It operates efficiently in temperatures from -30°C to 110°C, making it versatile for various industrial uses.

The P4A tolerance class guarantees exceptional accuracy, while its interchangeability with SKF bearings simplifies replacements. A reliable choice for demanding angular contact applications.

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Product Parameters

  • Part Number 71911 CE/HCP4ADBA
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • 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/HCP4ADBA dimension drawing
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Features

Performance Features of 71911 CE/HCP4ADBA Bearing

71911 CE/HCP4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction, ensuring smooth operation.

The phenolic cage maintains ball alignment, contributing to the bearing’s high-speed capability of 34,000 rpm.
With a dynamic radial load capacity of 5648 lbf, it handles demanding conditions reliably.

71911 CE/HCP4ADBA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload (Class A) ensures precision performance in matched arrangements.

Application

Industrial Uses of 71911 CE/HCP4ADBA Bearing
71911 CE/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation.

Where Is 71911 CE/HCP4ADBA Bearing Used?
In robotics, 71911 CE/HCP4ADBA Bearing supports articulated arms, providing stability and precision. Its matched arrangement and extra light preload make it suitable for delicate movements.

Built for Heavy-Duty Use: 71911 CE/HCP4ADBA Bearing
71911 CE/HCP4ADBA Bearing handles dynamic radial loads in industrial fans and pumps. The phenolic cage offers durability, even in demanding environments.

Automotive vs Aerospace: Applications of 71911 CE/HCP4ADBA Bearing
In automotive systems, 71911 CE/HCP4ADBA Bearing is found in gearboxes, while aerospace uses it in control mechanisms. Its high-speed capability and P4A tolerance class ensure reliability.

Perfect Fit for Automation: 71911 CE/HCP4ADBA Bearing
71911 CE/HCP4ADBA Bearing is a great choice for automated production lines, where consistent performance is key. The lubricated design reduces maintenance needs, keeping operations running smoothly.

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