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Super Precision Angular Contact Ball Bearings 71926 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71926 ACD/HCP4A

The 71926 ACD/HCP4A is a super precision angular contact ball bearing with a 130mm bore and 180mm 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 19598 lbf and can reach speeds of 12000 RPM. Its phenolic cage ensures durability while maintaining low friction during high-speed rotations.

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

Ideal for precision machinery like CNC spindles or high-speed motors, this bearing offers reliable performance. Weighing 1.3kg, it’s robust yet manageable for its size. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71926 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 130 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 27
  • Contact Angle 25°
  • 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 19598 lbf
  • Static Radial Load 22950 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 12000 rpm
  • Weight 1.3 kg
  • Price（$） 169.686
Super Precision Angular Contact Ball Bearings 71926 ACD/HCP4A dimension drawing
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Features

Engineered for Precision: 71926 ACD/HCP4A Bearing

71926 ACD/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance under dynamic radial loads up to 19598 lbf.

The phenolic cage ensures smooth operation at speeds up to 12,000 rpm.
With a P4 tolerance class, it delivers consistent accuracy in demanding conditions.

71926 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design simplifies lubrication, maintaining long-term reliability.

Application

Essential Roles of 71926 ACD/HCP4A Bearing
71926 ACD/HCP4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it suitable for high-speed operations.

In aerospace applications, 71926 ACD/HCP4A Bearing supports critical components like turbine shafts, thanks to its P4 tolerance class. The phenolic cage adds durability under extreme conditions.

For robotics, 71926 ACD/HCP4A Bearing’s open design and preload option enhance performance in articulated arms. Its metric sizing fits seamlessly into European and Asian automation systems.

Where Is 71926 ACD/HCP4A Bearing Used?
You’ll often find 71926 ACD/HCP4A Bearing in medical imaging devices, where its chrome steel rings provide stability. The lubricated design ensures smooth operation during prolonged use.

In electric vehicle motors, 71926 ACD/HCP4A Bearing handles angular loads efficiently. Its ceramic balls contribute to lower energy consumption and longer service life.

Built for Heavy-Duty Use: 71926 ACD/HCP4A Bearing
71926 ACD/HCP4A Bearing excels in industrial pumps, where its dynamic radial load capacity withstands constant stress. The open seal allows for easy lubrication checks.

For 3D printers, 71926 ACD/HCP4A Bearing’s precision ensures smooth linear motion. The phenolic cage minimises wear, even with frequent direction changes.

Automotive vs Aerospace: Applications of 71926 ACD/HCP4A Bearing
In automotive gearboxes, 71926 ACD/HCP4A Bearing manages high-speed rotations reliably. Its ceramic balls reduce heat buildup, extending component life.

Aerospace systems benefit from 71926 ACD/HCP4A Bearing’s lightweight yet robust construction. The P4 tolerance ensures consistent performance in demanding environments.

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