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Super Precision Angular Contact Ball Bearings 71801 ACD/HCP4DGA
Super Precision Angular Contact Ball Bearings 71801 ACD/HCP4DGA

Super Precision Angular Contact Ball Bearings 71801 ACD/HCP4DGA

The 71801 ACD/HCP4DGA is a super precision angular contact ball bearing, measuring 12mm by 21mm by 10mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

With a 25° contact angle, it handles radial loads up to 718 lbf and spins at speeds up to 100,000 RPM. Its phenolic cage ensures quiet performance and long life.

This bearing comes in a matched set of two, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like spindles or precision tools.

Weighing just 0.012kg, it’s lightweight yet robust. It operates efficiently in temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71801 ACD/HCP4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 21 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 2.381 mm
  • Ball Qty 14
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 718 lbf
  • Static Radial Load 504 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100000 rpm
  • Weight 0.012 kg

Features

Performance Features of 71801 ACD/HCP4DGA Bearing

71801 ACD/HCP4DGA Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing speed and durability.

The phenolic cage ensures smooth operation, even at maximum speeds of 100,000 rpm.
Universal matching allows flexible arrangements like back-to-back or face-to-face configurations.

With a P4 tolerance class, 71801 ACD/HCP4DGA Bearing delivers exceptional accuracy for demanding tasks.
The extra light preload minimises vibration, ideal for precision instruments.

71801 ACD/HCP4DGA Bearing operates efficiently in temperatures from -30°C to 110°C.
Its compact size (12 mm×21 mm×10 mm) makes it suitable for space-constrained applications.

Application

Common Applications of 71801 ACD/HCP4DGA Bearing
71801 ACD/HCP4DGA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures smooth rotation and minimal vibration. The ceramic balls reduce friction, making it ideal for applications demanding high rotational accuracy.

In robotics, 71801 ACD/HCP4DGA Bearing supports articulated arms and joints, providing reliable performance under dynamic loads. Its universal matching feature allows for flexible configurations in complex robotic systems.

For dental drills and surgical tools, 71801 ACD/HCP4DGA Bearing’s phenolic cage and ceramic balls offer excellent resistance to wear and corrosion. The extra-light preload ensures consistent performance in delicate medical procedures.

Where Is 71801 ACD/HCP4DGA Bearing Used?
You’ll often find 71801 ACD/HCP4DGA Bearing in precision measuring instruments, where its P4 tolerance class guarantees exceptional accuracy. The open seal design allows for easy lubrication, extending its service life in demanding environments.

In optical equipment like lens positioning systems, 71801 ACD/HCP4DGA Bearing’s low friction and high-speed capability ensure smooth adjustments. The chrome steel rings provide durability, even in continuous operation.

Built for Heavy-Duty Use: 71801 ACD/HCP4DGA Bearing
71801 ACD/HCP4DGA Bearing handles heavy loads in industrial pumps, thanks to its robust chrome steel construction. The ceramic balls and phenolic cage work together to reduce heat buildup during prolonged use.

In automotive testing rigs, 71801 ACD/HCP4DGA Bearing’s high-speed performance and precision make it a reliable choice. Its universal matching feature simplifies installation in various testing configurations.

Light-Duty vs Heavy-Duty: Best Uses for 71801 ACD/HCP4DGA Bearing
For light-duty applications like small electric motors, 71801 ACD/HCP4DGA Bearing’s compact size and low weight are ideal. The ceramic balls ensure quiet operation, perfect for noise-sensitive environments.

In heavy-duty scenarios such as aerospace components, 71801 ACD/HCP4DGA Bearing’s high dynamic load capacity and temperature resistance come into play. Its precision engineering meets the stringent requirements of aviation systems.

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