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Super Precision Angular Contact Ball Bearings 71824 ACD/P4DGA

Super Precision Angular Contact Ball Bearings 71824 ACD/P4DGA

The 71824 ACD/P4DGA is a super precision angular contact ball bearing with a 120mm bore and 150mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 11408 lbf and spins smoothly at speeds up to 16250 RPM.

With a 25° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures quiet operation and long service life.

Its extra-light preload (Class A) and P4 tolerance class make it ideal for high-precision applications. Suitable for machine tools or spindles where accuracy and speed are crucial.

Weighing 1.1kg, it operates reliably in temperatures from -30°C to 110°C. Comes as a matched set of two bearings for balanced performance.

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Product Parameters

  • Part Number 71824 ACD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 8.731 mm
  • Ball Qty 35
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 11408 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 1.1 kg
Super Precision Angular Contact Ball Bearings 71824 ACD/P4DGA dimension drawing
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Features

Performance Features of 71824 ACD/P4DGA Bearing

71824 ACD/P4DGA Bearing is designed for super precision applications with a 25° contact angle, ensuring optimal load distribution.
Its chrome steel rings and balls provide high strength, supporting dynamic radial loads up to 11408 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 16,250 rpm.
Universal matching allows flexible arrangements like back-to-back or face-to-face configurations.

With a P4 tolerance class, 71824 ACD/P4DGA Bearing delivers consistent accuracy in demanding conditions.
Its extra light preload ensures smooth operation while minimising energy loss.

The open design simplifies lubrication, extending service life in temperatures from -30°C to 110°C.
This bearing is ideal for high-precision machinery requiring reliable angular contact performance.

Application

Industrial Uses of 71824 ACD/P4DGA Bearing
71824 ACD/P4DGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The extra light preload makes it ideal for applications demanding minimal friction and smooth operation.

In automotive systems, 71824 ACD/P4DGA Bearing supports components like electric motors and gearboxes, where its universal matching feature allows for flexible mounting. The chrome steel construction provides durability under high-speed conditions.

For medical imaging devices, 71824 ACD/P4DGA Bearing’s phenolic cage offers stability and low noise, crucial for sensitive equipment. Its P4 tolerance class ensures consistent performance in precision-driven environments.

Automation & robotics benefit from 71824 ACD/P4DGA Bearing’s ability to handle combined loads in robotic arms. The tandem arrangement option makes it versatile for compact designs requiring high rigidity.

In consumer electronics, 71824 ACD/P4DGA Bearing is found in high-end printers, where its lubricated design reduces maintenance needs. The 25° contact angle optimises load distribution for longer service life.

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