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Super Precision Angular Contact Ball Bearings 71911 CE/HCPA9ADT

Super Precision Angular Contact Ball Bearings 71911 CE/HCPA9ADT

The 71911 CE/HCPA9ADT is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 5648 lbf and reaches speeds of 34,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and matched arrangement of two bearings provide excellent stability under angular loads. The phenolic cage ensures smooth operation, while the open design allows for easy lubrication.

This bearing is ideal for precision machinery like CNC spindles or high-speed tools, where accuracy and durability are key. It operates efficiently in temperatures from -30°C to 110°C.

Weighing just 0.29kg, it’s lightweight yet robust. Compliant with universal standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71911 CE/HCPA9ADT
  • 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 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • 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/HCPA9ADT dimension drawing
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Features

Performance Features of 71911 CE/HCPA9ADT Bearing

71911 CE/HCPA9ADT Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 34,000 rpm.
This bearing is preloaded and comes in a matched set of two for improved stability.

With a dynamic radial load capacity of 5648 lbf, it handles demanding conditions reliably.
The open design allows for easy lubrication, maintaining performance over time.

71911 CE/HCPA9ADT Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precise tolerances and high-quality materials make it suitable for super precision tasks.

Application

Key Fields for 71911 CE/HCPA9ADT Bearing
71911 CE/HCPA9ADT Bearing is widely used in high-speed machine tools, where its 15° contact angle ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications demanding smooth rotation.

In robotics, 71911 CE/HCPA9ADT Bearing supports articulated arms, providing stability during rapid movements. Its matched arrangement and preload options enhance performance in repetitive tasks.

For aerospace components, 71911 CE/HCPA9ADT Bearing’s phenolic cage and chrome steel rings offer durability in extreme conditions. The PA9A tolerance class guarantees consistent accuracy for critical systems.

Medical imaging devices benefit from 71911 CE/HCPA9ADT Bearing’s low friction and high-speed capabilities. The lubricated design ensures quiet operation, essential for sensitive diagnostic equipment.

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