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Super Precision Angular Contact Ball Bearings 71824 ACD/P4DBA

Super Precision Angular Contact Ball Bearings 71824 ACD/P4DBA

The 71824 ACD/P4DBA is a super precision angular contact ball bearing with a 120mm bore and 150mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and matched pair design (DB arrangement) ensure smooth handling of combined radial and axial loads.

With a dynamic radial load capacity of 11408 lbf and speeds up to 16250 RPM, it performs reliably in demanding conditions. The phenolic resin cage reduces friction, while the open design allows for easy lubrication.

This P4-class bearing offers extra-light preload for precise operation, ideal for high-accuracy applications like machine tool spindles or precision gearboxes. It operates in temperatures from -30°C to 110°C.

Weighing 1.1kg per bearing, the set comes as a matched pair for balanced performance. Interchangeable with SKF equivalents, it’s a practical choice for maintenance or upgrades.

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Product Parameters

  • Part Number 71824 ACD/P4DBA
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • 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/P4DBA dimension drawing
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Features

Performance Features of 71824 ACD/P4DBA Bearing

71824 ACD/P4DBA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 11408 lbf, 71824 ACD/P4DBA Bearing handles demanding conditions reliably.
Its extra light preload (Class A) enhances performance in high-speed applications, reaching up to 16,250 rpm.

71824 ACD/P4DBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
The matched arrangement of two bearings (DB) ensures stability and precision in angular contact scenarios.

Application

Common Applications of 71824 ACD/P4DBA Bearing
71824 ACD/P4DBA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In robotics, 71824 ACD/P4DBA Bearing supports articulated arms, offering smooth movement and reliable performance. Its phenolic cage reduces friction, making it suitable for high-speed operations.

For medical imaging devices, 71824 ACD/P4DBA Bearing’s chrome steel construction ensures durability and precision. The extra light preload helps maintain consistent performance in sensitive applications.

Automotive applications like electric vehicle motors benefit from 71824 ACD/P4DBA Bearing’s ability to handle radial and axial loads. The P4 tolerance class ensures it meets strict industry standards.

In 3D printers, 71824 ACD/P4DBA Bearing provides the necessary precision for smooth linear motion. Its open design allows for easy lubrication, extending the bearing’s service life.

Q&A

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