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Super Precision Angular Contact Ball Bearings 71811 ACD/P4TBTL

Super Precision Angular Contact Ball Bearings 71811 ACD/P4TBTL

The 71811 ACD/P4TBTL is a super precision angular contact ball bearing with a 55mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 4680 lbf and operates smoothly at speeds up to 34,000 RPM.

Its 25° contact angle and matched set of three bearings provide excellent stability for angular loads. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is lubricated for easy maintenance and performs reliably in temperatures from -30°C to 110°C. It meets the P4 tolerance class for precise applications.

Ideal for use in machine tools or spindle systems where precision and high speeds are required. Weighing just 0.24kg, it’s a lightweight yet robust solution for demanding environments.

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Product Parameters

  • Part Number 71811 ACD/P4TBTL
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 27 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4680 lbf
  • Static Radial Load 6862 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.24 kg
Super Precision Angular Contact Ball Bearings 71811 ACD/P4TBTL dimension drawing
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Features

Performance Features of 71811 ACD/P4TBTL Bearing

71811 ACD/P4TBTL Bearing is crafted with chrome steel rings and balls, ensuring durability and precision in angular contact applications.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds.
With a maximum speed of 34,000 rpm, it is suitable for demanding, high-speed operations.

71811 ACD/P4TBTL Bearing operates reliably in temperatures ranging from -30°C to 110°C.
Its P4 tolerance class ensures consistent accuracy and smooth operation in precision tasks.

Application

Practical Applications of 71811 ACD/P4TBTL Bearing
71811 ACD/P4TBTL Bearing excels in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched set arrangement of three bearings provides enhanced stability for demanding operations.

In robotics, 71811 ACD/P4TBTL Bearing is ideal for articulated arms, offering smooth movement under angular loads. Its phenolic cage reduces friction, making it suitable for repetitive tasks in automated systems.

For aerospace applications, 71811 ACD/P4TBTL Bearing handles radial and axial loads in components like landing gear systems. The P4 tolerance class guarantees consistent performance in critical flight conditions.

Medical imaging devices benefit from 71811 ACD/P4TBTL Bearing’s low vibration and high-speed capabilities. The chrome steel construction ensures durability in sterile environments.

In electric vehicle motors, 71811 ACD/P4TBTL Bearing supports efficient power transmission. Its lubricated design minimises maintenance while extending service life.

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