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Super Precision Angular Contact Ball Bearings 71911 ACDTP/HCP4B

Super Precision Angular Contact Ball Bearings 71911 ACDTP/HCP4B

The 71911 ACDTP/HCP4B 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 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 4095 lbf and reaches speeds of 17,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduces friction.

The open design allows for easy lubrication, while the P4 tolerance class guarantees precision. It works reliably in temperatures from -30°C to 110°C.

Ideal for machine tools or spindle drives, this bearing is interchangeable with SKF models. Weighing just 0.15kg, it’s lightweight yet robust for demanding tasks.

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Product Parameters

  • Part Number 71911 ACDTP/HCP4B
  • 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 23
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4095 lbf
  • Static Radial Load 3082 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.15 kg
  • Price（$） 439.875
Super Precision Angular Contact Ball Bearings 71911 ACDTP/HCP4B dimension drawing
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Features

Why Choose 71911 ACDTP/HCP4B Bearing for Precision Tasks?

71911 ACDTP/HCP4B Bearing features a 25° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure minimal friction and long-lasting performance.

With a dynamic radial load capacity of 4095 lbf, it handles demanding tasks with ease.
The phenolic cage maintains ball alignment, reducing wear and enhancing stability.

Operating at speeds up to 17,000 rpm, it delivers reliable performance in various conditions.
Its P4 tolerance class guarantees exceptional accuracy for precision instruments.

The open design allows for easy lubrication, ensuring smooth operation over time.
This bearing is perfect for applications requiring both speed and precision.

Application

Industrial Uses of 71911 ACDTP/HCP4B Bearing
71911 ACDTP/HCP4B Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for high-speed operations.

In automotive applications, 71911 ACDTP/HCP4B Bearing supports components like electric motors and gearboxes, where its phenolic cage provides stability under varying loads. The P4 tolerance class ensures consistent performance in demanding conditions.

For robotics, 71911 ACDTP/HCP4B Bearing’s matched arrangement allows for smooth movement in articulated arms and joints. Its open design facilitates easy lubrication, extending service life in continuous-use scenarios.

Medical imaging devices benefit from 71911 ACDTP/HCP4B Bearing’s precision, ensuring quiet and reliable operation in scanners. The chrome steel rings and ceramic balls offer durability in sterile environments.

In consumer electronics, 71911 ACDTP/HCP4B Bearing is found in high-end printers and scanners, where its low friction enhances performance. The metric sizing ensures compatibility with a range of compact devices.

Q&A

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