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Super Precision Angular Contact Ball Bearings 71811 CD/HCP4
Super Precision Angular Contact Ball Bearings 71811 CD/HCP4

Super Precision Angular Contact Ball Bearings 71811 CD/HCP4

The 71811 CD/HCP4 is a super precision angular contact ball bearing with a 55mm bore and 72mm outer diameter, designed for high-speed applications. It features a 15° contact angle and is made from durable chrome steel with ceramic balls for smooth operation.

This bearing handles radial loads up to 2272 lbf and can spin at speeds up to 32,000 RPM. Its phenolic cage ensures stability even at high speeds, while the open design allows for easy lubrication.

With a P4 tolerance class, it offers excellent precision for demanding tasks. Ideal for use in machine tools or high-speed spindles where accuracy is crucial.

Weighing just 0.073kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial applications.

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Product Parameters

  • Part Number 71811 CD/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2272 lbf
  • Static Radial Load 2430 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 32000 rpm
  • Weight 0.073 kg
  • Price($) 461.223

Features

Performance Features of 71811 CD/HCP4 Bearing

71811 CD/HCP4 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 during high-speed operation.

The phenolic cage maintains ball alignment, ensuring smooth performance even at speeds up to 32,000 rpm.
With a dynamic radial load capacity of 2272 lbf, it handles demanding conditions reliably.

Precision-engineered to P4 tolerance class, 71811 CD/HCP4 Bearing offers consistent performance in critical applications.
Its compact 9 mm width makes it suitable for space-constrained installations.

The open design allows for easy lubrication, extending service life in varied temperature conditions.
Weighing just 0.073 kg, it combines strength with lightweight construction.

Application

Perfect Fit for Automation: 71811 CD/HCP4 Bearing
The 71811 CD/HCP4 Bearing is commonly used in robotic arms and automated assembly lines, where its precision angular contact design ensures smooth movement. Its ceramic balls reduce friction, making it ideal for high-speed operations.

Where Is 71811 CD/HCP4 Bearing Used?
You’ll often find 71811 CD/HCP4 Bearing in machine tool spindles, where its P4 tolerance class provides the accuracy needed for fine machining. The phenolic cage adds durability in demanding industrial environments.

Industrial Uses of 71811 CD/HCP4 Bearing
In CNC machinery, 71811 CD/HCP4 Bearing handles both radial and axial loads efficiently, thanks to its 15° contact angle. Its chrome steel rings offer long-lasting performance even under continuous use.

Medical vs Industrial: Where 71811 CD/HCP4 Bearing Excels
While 71811 CD/HCP4 Bearing performs well in medical imaging devices, it truly shines in industrial gearboxes. The lubricated design ensures reliable operation in both high-speed and high-load scenarios.

Q&A

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