+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71928 CD/HCP4A

Super Precision Angular Contact Ball Bearings 71928 CD/HCP4A

The 71928 CD/HCP4A is a super precision angular contact ball bearing with a 140mm bore and 190mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 21510 lbf and reaches speeds of 12000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduced friction.

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

Ideal for precision machinery like spindles or CNC equipment, this bearing offers reliable performance. Weighing 1.39kg, it balances strength and precision for demanding tasks.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71928 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 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 21510 lbf
  • Static Radial Load 26100 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 12000 rpm
  • Weight 1.39 kg
  • Price（$） 185.517
Super Precision Angular Contact Ball Bearings 71928 CD/HCP4A dimension drawing
Download DWG Download PDF

Features

Why Choose 71928 CD/HCP4A Bearing for Precision Tasks?

71928 CD/HCP4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation under dynamic radial loads up to 21510 lbf.

The phenolic cage maintains ball alignment, enhancing durability and reducing friction.
With a maximum speed of 12,000 rpm, it delivers reliable performance in demanding conditions.

71928 CD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class (ABEC-7) ensures consistent precision for critical applications.

Application

Industrial Uses of 71928 CD/HCP4A Bearing
71928 CD/HCP4A Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures smooth operation under radial and axial loads. The ceramic balls reduce friction, making it ideal for applications requiring high rotational accuracy.

In automotive systems, 71928 CD/HCP4A Bearing supports components like electric motors and transmissions, where its phenolic cage provides durability and heat resistance. The P4 tolerance class ensures consistent performance in demanding conditions.

For medical imaging devices, 71928 CD/HCP4A Bearing’s chrome steel rings and ceramic balls offer reliable performance with minimal noise. Its open design allows for easy lubrication, extending service life in critical applications.

Automation & Robotics: Where 71928 CD/HCP4A Bearing Shines
71928 CD/HCP4A Bearing is a great fit for robotic arms, thanks to its high-speed capability and low friction. The preload option helps maintain precision in repetitive movements.

In 3D printers, 71928 CD/HCP4A Bearing ensures smooth linear motion with its angular contact design. The metric sizing makes it compatible with a wide range of industrial automation equipment.

Q&A

SEND INQUIRY