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Super Precision Angular Contact Ball Bearings 71918 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 71918 ACD/P4ADGB

The 71918 ACD/P4ADGB is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 16380 lbf and spins smoothly at speeds up to 15000 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face mounting. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and operates in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or aerospace components.

Weighing 1.1kg, it comes as a matched set of two bearings for balanced performance. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 71918 ACD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 16380 lbf
  • Static Radial Load 21712 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.1 kg
Super Precision Angular Contact Ball Bearings 71918 ACD/P4ADGB dimension drawing
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Features

Why Choose 71918 ACD/P4ADGB Bearing for Precision Tasks?

71918 ACD/P4ADGB Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.

Its universal matching design allows flexible arrangements like back-to-back or face-to-face, catering to various application needs.

The phenolic cage ensures smooth operation at high speeds, up to 15,000 rpm, while maintaining stability.

With a P4A tolerance class, 71918 ACD/P4ADGB Bearing delivers exceptional accuracy for demanding tasks.

Application

Common Applications of 71918 ACD/P4ADGB Bearing
71918 ACD/P4ADGB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements in complex setups.

In aerospace applications, 71918 ACD/P4ADGB Bearing handles radial and axial loads in turbine engines, thanks to its phenolic cage and chrome steel construction. Its light preload class B ensures smooth operation at high speeds.

For robotics, 71918 ACD/P4ADGB Bearing provides stability in articulated arms, where precise movement is essential. The P4A tolerance class guarantees consistent performance in demanding automated systems.

Medical imaging devices benefit from 71918 ACD/P4ADGB Bearing’s low friction and high-speed capabilities. Its lubricated design reduces maintenance needs in critical healthcare equipment.

In automotive testing rigs, 71918 ACD/P4ADGB Bearing supports dynamic load simulations, offering reliability under continuous use. The matched set configuration simplifies installation and alignment.

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