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Super Precision Angular Contact Ball Bearings 71801 ACD/P4DGC

Super Precision Angular Contact Ball Bearings 71801 ACD/P4DGC

The 71801 ACD/P4DGC is a super precision angular contact ball bearing, measuring 12mm by 21mm by 10mm. Made from chrome steel, it’s designed for high-speed applications, handling radial loads up to 718 lbf.

With a 25° contact angle and moderate preload, it offers smooth operation at speeds up to 100,000 RPM. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is part of a matched set, suitable for universal mounting in back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or CNC tools where accuracy is key.

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

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Product Parameters

  • Part Number 71801 ACD/P4DGC
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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
Super Precision Angular Contact Ball Bearings 71801 ACD/P4DGC dimension drawing
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Features

Why Choose 71801 ACD/P4DGC Bearing for Precision Tasks?

71801 ACD/P4DGC Bearing features a 25° contact angle, ideal for handling combined radial and axial loads.
Its universal matching design allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a maximum speed of 100,000 rpm, it excels in high-speed applications.

Moderate preload (Class C) enhances stability and precision in demanding setups.
The P4 tolerance class guarantees consistent performance for critical tasks.

Its compact size (12 mm×21 mm×10 mm) makes it suitable for space-constrained installations.
The open design simplifies lubrication, maintaining smooth operation over time.

Application

Common Applications of 71801 ACD/P4DGC Bearing
71801 ACD/P4DGC Bearing is widely used in high-speed machine tools, where its precision and moderate preload ensure smooth operation. The 25° contact angle makes it suitable for handling combined radial and axial loads efficiently.

In robotics, 71801 ACD/P4DGC Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its universal matching feature allows flexible arrangement in back-to-back or face-to-face configurations.

For optical equipment like microscopes, 71801 ACD/P4DGC Bearing’s phenolic cage reduces friction, ensuring quiet and vibration-free performance. The P4 tolerance class guarantees the high precision required in sensitive applications.

How Does 71801 ACD/P4DGC Bearing Improve Performance?
71801 ACD/P4DGC Bearing enhances spindle performance in CNC machines, thanks to its chrome steel construction and high-speed capability. The open design allows for effective lubrication, extending service life.

In dental handpieces, 71801 ACD/P4DGC Bearing’s low friction and precision contribute to smoother operation. Its temperature stability ensures reliability even during prolonged use.

Optimized for Performance: 71801 ACD/P4DGC Bearing
71801 ACD/P4DGC Bearing is ideal for aerospace applications, where its lightweight design and high-speed tolerance meet stringent requirements. The matched set feature simplifies installation in critical systems.

For semiconductor manufacturing, 71801 ACD/P4DGC Bearing’s precision reduces downtime in wafer handling equipment. Its phenolic cage minimises wear, maintaining accuracy over time.

Automotive vs Aerospace: Applications of 71801 ACD/P4DGC Bearing
In automotive transmissions, 71801 ACD/P4DGC Bearing handles high rotational speeds with minimal heat generation. Its durability makes it a reliable choice for demanding conditions.

For aerospace actuators, 71801 ACD/P4DGC Bearing’s precision ensures accurate control in flight systems. The P4 tolerance class meets the exacting standards of the industry.

Q&A

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