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Super Precision Angular Contact Ball Bearings 71919 ACE/HCP4A

Super Precision Angular Contact Ball Bearings 71919 ACE/HCP4A

The 71919 ACE/HCP4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 6548 lbf and spins smoothly at speeds up to 23,000 RPM.

Its 25° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

This model meets P4 tolerance standards (ABEC-7) for high precision and is interchangeable with SKF bearings. Ideal for applications like machine tools or high-speed spindles where accuracy is crucial.

Weighing just 0.48kg, it’s lightweight yet robust for its size. Available in matched arrangements for added versatility in demanding setups.

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Product Parameters

  • Part Number 71919 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • 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 6548 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 23000 rpm
  • Weight 0.48 kg
  • Price（$） 112.221
Super Precision Angular Contact Ball Bearings 71919 ACE/HCP4A dimension drawing
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Features

Performance Features of 71919 ACE/HCP4A Bearing

71919 ACE/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.
The phenolic cage ensures smooth operation at high speeds, up to 23,000 rpm.
With a dynamic radial load capacity of 6548 lbf, it delivers reliable performance in demanding conditions.

Application

Where Is 71919 ACE/HCP4A Bearing Used?
71919 ACE/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 25° contact angle makes it suitable for handling combined radial and axial loads efficiently.

In robotics, 71919 ACE/HCP4A Bearing ensures smooth movement in articulated arms, thanks to its P4 precision tolerance. The open design allows for easy lubrication, extending service life in continuous operation.

For aerospace applications, 71919 ACE/HCP4A Bearing’s lightweight construction and high-speed capability make it ideal for avionics systems. Its chrome steel rings provide the necessary strength for demanding flight conditions.

In medical imaging devices, 71919 ACE/HCP4A Bearing offers quiet and precise rotation, essential for accurate diagnostics. The ceramic balls contribute to minimal vibration, ensuring clear imaging results.

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