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Super Precision Angular Contact Ball Bearings 71808 ACD/P4DBB

Super Precision Angular Contact Ball Bearings 71808 ACD/P4DBB

The 71808 ACD/P4DBB is a super precision angular contact ball bearing with a 40mm bore and 52mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 1667 lbf and spins smoothly at speeds up to 43000 RPM. Its phenolic cage ensures durability while keeping the weight light at just 0.062kg per unit.

The open design allows for easy lubrication, and the light preload ensures smooth operation. Ideal for high-precision applications like machine tool spindles or medical equipment.

With a temperature range of -30°C to 110°C, it’s versatile for various environments. The P4 tolerance class guarantees exceptional accuracy, making it a reliable choice for demanding tasks.

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Product Parameters

  • Part Number 71808 ACD/P4DBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 52 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1667 lbf
  • Static Radial Load 2059 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 43000 rpm
  • Weight 0.062 kg
Super Precision Angular Contact Ball Bearings 71808 ACD/P4DBB dimension drawing
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Features

Why Choose 71808 ACD/P4DBB Bearing for Precision Tasks?

71808 ACD/P4DBB Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its matched arrangement of two bearings ensures stability and accuracy in demanding applications.

The chrome steel rings and balls provide durability, while the phenolic cage reduces friction for smoother operation.
With a maximum speed of 43,000 rpm, it excels in high-speed environments.

71808 ACD/P4DBB Bearing’s P4 tolerance class guarantees exceptional performance for precision instruments.
Its light preload design further enhances operational efficiency and longevity.

Application

Industrial Uses of 71808 ACD/P4DBB Bearing
71808 ACD/P4DBB Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under radial and axial loads.

In automotive applications, 71808 ACD/P4DBB Bearing supports components like turbochargers and transmission systems, where its light preload enhances performance. The phenolic cage material helps reduce friction and wear in demanding conditions.

For automation equipment, 71808 ACD/P4DBB Bearing is ideal for robotic arms and CNC machines, thanks to its high-speed capability and P4 tolerance class. The chrome steel construction ensures long-lasting reliability in continuous operation.

Medical imaging devices also benefit from 71808 ACD/P4DBB Bearing’s smooth operation and low noise levels. Its open design allows for easy lubrication, maintaining consistent performance in critical applications.

In consumer electronics, 71808 ACD/P4DBB Bearing can be found in high-performance printers and scanners, where its compact size and precision are key. The metric dimensions make it compatible with a variety of European and Asian models.

Q&A

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