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Super Precision Angular Contact Ball Bearings 71824 CD/P4DBA

Super Precision Angular Contact Ball Bearings 71824 CD/P4DBA

The 71824 CD/P4DBA 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 12150 lbf and operates smoothly at speeds up to 16250 RPM.

Its 15° contact angle and matched arrangement (2 bearings DB) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

Preloaded for extra light performance, this bearing is ideal for high-precision applications like machine tool spindles or medical equipment. It works reliably in temperatures from -30°C to 110°C.

Weighing 1.1kg, this P4-class bearing offers precision performance while being interchangeable with SKF models. Its open design allows for easy lubrication maintenance.

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Product Parameters

  • Part Number 71824 CD/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 15°
  • 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 12150 lbf
  • Static Radial Load 20250 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 CD/P4DBA dimension drawing
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Features

How Does 71824 CD/P4DBA Bearing Reduce Friction?

71824 CD/P4DBA Bearing features a 15° contact angle, optimised for smooth angular contact operations.
Its chrome steel construction ensures durability while minimising friction during high-speed rotations.

The phenolic cage maintains ball alignment, reducing wear and enhancing efficiency.
With a maximum speed of 16,250 rpm, it delivers reliable performance in precision applications.

Preloaded for extra light operation, 71824 CD/P4DBA Bearing ensures consistent performance under dynamic radial loads.
Its matched arrangement of two bearings provides stability and balanced load distribution.

Application

Key Fields for 71824 CD/P4DBA Bearing
71824 CD/P4DBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 71824 CD/P4DBA Bearing provides stability for articulated arms, thanks to its matched arrangement and extra light preload. The 15° contact angle helps manage both radial and axial loads efficiently.

For medical imaging devices, 71824 CD/P4DBA Bearing’s P4 tolerance class guarantees minimal vibration, crucial for clear scans. Its chrome steel construction also ensures long-term reliability in sterile environments.

Automotive testing equipment benefits from 71824 CD/P4DBA Bearing’s dynamic radial load capacity, which handles rigorous performance checks. The lubricated design further extends its service life under continuous use.

In aerospace applications, 71824 CD/P4DBA Bearing’s temperature range makes it adaptable to varying conditions. Its lightweight phenolic cage is ideal for reducing overall component weight without compromising strength.

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