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Super Precision Angular Contact Ball Bearings 71800 ACD/HCP4

Super Precision Angular Contact Ball Bearings 71800 ACD/HCP4

The 71800 ACD/HCP4 is a super precision angular contact ball bearing with a 10mm bore and 19mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles both radial and axial loads, making it versatile for various uses.

Made from chrome steel rings and ceramic balls, it offers smooth operation and reduced friction. The phenolic cage ensures durability, while the P4 tolerance class guarantees high precision.

This bearing supports speeds up to 130,000 RPM and operates in temperatures from -30°C to 110°C. Its compact size (10mm×19mm×5mm) and lightweight design (0.005kg) make it ideal for precision instruments like spindles or dental tools.

Preload options are available for enhanced performance, and it’s interchangeable with SKF bearings for easy replacement. Compliant with industry standards, it’s a reliable choice for demanding applications.

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Product Parameters

  • Part Number 71800 ACD/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 10 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 19 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 5 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 2.381 mm
  • Ball Qty 12
  • 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 400 lbf
  • Static Radial Load 209 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 130000 rpm
  • Weight 0.005 kg
  • Price（$） 127.8
Super Precision Angular Contact Ball Bearings 71800 ACD/HCP4 dimension drawing
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Features

Why Choose 71800 ACD/HCP4 Bearing for Precision Tasks?

71800 ACD/HCP4 Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and ceramic balls ensure smooth operation, even at high speeds up to 130,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a P4 tolerance class, it delivers consistent performance in demanding applications.

Lubrication is pre-applied, ensuring immediate readiness and reducing initial setup time.
The compact 10 mm×19 mm×5 mm size makes it suitable for space-constrained installations.

Application

Common Applications of 71800 ACD/HCP4 Bearing
71800 ACD/HCP4 Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4 tolerance ensures precise alignment, making it ideal for spindle applications.

In robotics, 71800 ACD/HCP4 Bearing supports smooth motion in articulated arms, thanks to its angular contact design. The lightweight construction also helps reduce energy consumption in automated systems.

For dental handpieces, 71800 ACD/HCP4 Bearing’s high-speed capability and low vibration are crucial for precision work. The chrome steel rings provide durability, even with frequent sterilisation.

Where Is 71800 ACD/HCP4 Bearing Used?
You’ll often find 71800 ACD/HCP4 Bearing in CNC machining centres, where its 130,000 rpm rating handles rapid tool changes. The open design allows for easy lubrication, extending service life.

In optical equipment, 71800 ACD/HCP4 Bearing’s minimal runout ensures accurate lens positioning. The ceramic balls also resist corrosion, making it suitable for humid environments.

Built for Heavy-Duty Use: 71800 ACD/HCP4 Bearing
71800 ACD/HCP4 Bearing excels in grinding spindles, where its dynamic load capacity handles intense radial forces. The 25° contact angle distributes stress evenly across the bearing.

For electric motors, 71800 ACD/HCP4 Bearing’s low friction design improves efficiency. The phenolic cage dampens vibrations, resulting in quieter operation.

Automotive vs Aerospace: Applications of 71800 ACD/HCP4 Bearing
In automotive turbochargers, 71800 ACD/HCP4 Bearing withstands extreme speeds and temperatures. The ceramic balls prevent premature wear under continuous load.

Aerospace actuators benefit from 71800 ACD/HCP4 Bearing’s lightweight and precision. Its P4 tolerance meets the strict requirements for flight control systems.

Q&A

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