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Super Precision Angular Contact Ball Bearings 71915 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71915 ACD/HCP4A

The 71915 ACD/HCP4A is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 7605 lbf and reaches speeds of 20,000 RPM, thanks to its ceramic balls and phenolic cage.

Its 25° contact angle and open design ensure smooth operation under angular loads, while the P4 tolerance class offers high precision. The bearing comes preloaded and matched for easy installation in paired arrangements.

Ideal for high-speed applications like machine tool spindles or precision instruments, it performs reliably in temperatures from -30°C to 110°C. Weighing 0.3kg, it’s lightweight yet robust for demanding environments.

Interchangeable with SKF bearings, this model is a practical choice for replacements or upgrades. Its lubricated design reduces maintenance needs, making it a hassle-free option for engineers.

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Product Parameters

  • Part Number 71915 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 105 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 26
  • 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 7605 lbf
  • Static Radial Load 7988 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 20000 rpm
  • Weight 0.3 kg
  • Price（$） 738.324
Super Precision Angular Contact Ball Bearings 71915 ACD/HCP4A dimension drawing
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Features

Performance Features of 71915 ACD/HCP4A Bearing

71915 ACD/HCP4A Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation at high speeds, up to 20,000 rpm.
With a dynamic radial load capacity of 7605 lbf, it delivers reliable performance in precision applications.

71915 ACD/HCP4A Bearing’s P4 tolerance class guarantees exceptional accuracy for demanding tasks.
Its open design allows for easy lubrication, maintaining efficiency over time.

The matched arrangement option provides flexibility for complex mounting requirements.
This bearing is ideal for applications where precision and speed are crucial.

Application

Industrial Uses of 71915 ACD/HCP4A Bearing
71915 ACD/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

Where Is 71915 ACD/HCP4A Bearing Used?
You’ll often find 71915 ACD/HCP4A Bearing in automotive applications like electric motors and gearboxes, thanks to its ability to handle both radial and axial loads. Its phenolic cage adds durability, even under continuous use.

Built for Heavy-Duty Use: 71915 ACD/HCP4A Bearing
In robotics and automation, 71915 ACD/HCP4A Bearing provides reliable support for mechanical arms and precision movements. The P4 tolerance class ensures consistent performance in critical applications.

Medical vs Industrial: Where 71915 ACD/HCP4A Bearing Excels
For medical imaging devices, 71915 ACD/HCP4A Bearing offers smooth operation due to its ceramic balls and chrome steel rings. In industrial settings, its high-speed capability makes it ideal for spindle drives.

Perfect Fit for Automation: 71915 ACD/HCP4A Bearing
71915 ACD/HCP4A Bearing works well in 3D printers and CNC machines, where precision and speed are key. The open design allows for easy lubrication, extending its service life.

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