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Super Precision Angular Contact Ball Bearings 71814 ACD/HCP4

Super Precision Angular Contact Ball Bearings 71814 ACD/HCP4

The 71814 ACD/HCP4 is a super precision angular contact ball bearing with a 70mm bore and 90mm outer diameter, crafted from high-quality chrome steel. Its compact 10mm width makes it suitable for tight spaces while maintaining robust performance.

With a 25° contact angle, it efficiently handles both radial and thrust loads, supporting up to 2925 lbf dynamically. The ceramic balls and phenolic cage allow it to spin smoothly at speeds up to 24,000 RPM.

Its open design simplifies lubrication, and the P4 tolerance class ensures exceptional accuracy. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.12kg, it’s lightweight yet durable. Compliant with standard temperature ranges from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71814 ACD/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 31
  • 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 2925 lbf
  • Static Radial Load 3375 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 24000 rpm
  • Weight 0.12 kg
  • Price（$） 689.913
Super Precision Angular Contact Ball Bearings 71814 ACD/HCP4 dimension drawing
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Features

Performance Features of 71814 ACD/HCP4 Bearing

71814 ACD/HCP4 Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision and durability.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds.
With a maximum speed of 24,000 rpm, it delivers reliable performance in demanding conditions.

71814 ACD/HCP4 Bearing’s dynamic radial load capacity of 2925 lbf makes it suitable for heavy-duty use.
Its P4 tolerance class ensures high precision, meeting stringent industry standards.

The open design allows for easy lubrication, reducing maintenance needs.
Its temperature range of -30° to 110°C ensures consistent performance in various environments.

Application

Where Is 71814 ACD/HCP4 Bearing Used?
You’ll often spot 71814 ACD/HCP4 Bearing in high-speed machine tools, where its 25° contact angle handles combined radial and axial loads effortlessly. The ceramic balls reduce friction, making it ideal for precision grinding spindles.

In robotics, 71814 ACD/HCP4 Bearing ensures smooth movement in articulated arms, thanks to its P4 tolerance class. The phenolic cage dampens vibrations, which is handy in automated assembly lines.

For dental drill handpieces, 71814 ACD/HCP4 Bearing’s lubricated design maintains quiet operation at 24,000 rpm. Its chrome steel rings withstand frequent sterilisation cycles without compromising performance.

Home CNC enthusiasts appreciate 71814 ACD/HCP4 Bearing for small router upgrades, where its metric sizing fits most European-made components. The open seal allows easy cleaning after woodworking projects.

In laboratory centrifuges, 71814 ACD/HCP4 Bearing’s temperature stability keeps samples secure during high-G spins. The ceramic balls prevent contamination risks in sensitive medical environments.

Q&A

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