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Super Precision Angular Contact Ball Bearings 71911 CDTP/HCP4B

Super Precision Angular Contact Ball Bearings 71911 CDTP/HCP4B

The 71911 CDTP/HCP4B is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 4388 lbf and spins at speeds up to 19,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability and reduces friction.

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

Ideal for machine tools or precision equipment where accuracy and speed are crucial. Weighing just 0.15kg, it’s lightweight yet robust. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71911 CDTP/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 15°
  • 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 4388 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 19000 rpm
  • Weight 0.15 kg
  • Price（$） 439.344
Super Precision Angular Contact Ball Bearings 71911 CDTP/HCP4B dimension drawing
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Features

Performance Features of 71911 CDTP/HCP4B Bearing

71911 CDTP/HCP4B Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing efficiency and longevity.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds up to 19,000 rpm.
With a dynamic radial load capacity of 4388 lbf, it handles demanding conditions reliably.

71911 CDTP/HCP4B Bearing operates within a temperature range of -30° to 110°C, suitable for varied environments.
Its P4 tolerance class guarantees high precision, making it ideal for critical machinery.

Application

How Does 71911 CDTP/HCP4B Bearing Improve Performance?
71911 CDTP/HCP4B Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The 15° contact angle ensures precise handling of combined radial and axial loads.

In robotics, 71911 CDTP/HCP4B Bearing supports articulated arms, offering reliable movement with minimal vibration. Its P4 tolerance class makes it suitable for applications demanding tight precision.

For medical imaging devices, 71911 CDTP/HCP4B Bearing’s chrome steel rings provide durability, while the open design allows for easy lubrication. This ensures consistent performance in critical healthcare equipment.

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