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Super Precision Angular Contact Ball Bearings 71924 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 71924 CD/P4ADBA

The 71924 CD/P4ADBA is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, designed for high accuracy applications. It features a 15° contact angle and comes as a matched pair for extra light preload.

Made from chrome steel with a phenolic cage, it handles radial loads up to 28125 lbf and spins smoothly at 10000 RPM. The open design allows easy lubrication and maintenance.

Its tight tolerances (P4A class) ensure reliable performance in demanding conditions, with a temperature range of -30°C to 110°C. The matched pair arrangement provides stability under angular loads.

Ideal for precision machinery like spindles or CNC equipment where high speed and accuracy are essential. Weighing 2.3kg, it’s robust yet suitable for precise applications. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71924 CD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 44 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4A
  • 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 28125 lbf
  • Static Radial Load 41175 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 2.3 kg
  • Price（$） 128.736
Super Precision Angular Contact Ball Bearings 71924 CD/P4ADBA dimension drawing
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Features

Why Choose 71924 CD/P4ADBA Bearing for Precision Tasks?

71924 CD/P4ADBA Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 28125 lbf, it performs reliably in demanding applications.
The extra-light preload and P4A tolerance class guarantee consistent accuracy even at high speeds up to 10,000 rpm.

Designed for matched arrangement (DB), 71924 CD/P4ADBA Bearing offers stable performance in paired setups.
Its open design allows easy lubrication, extending service life in temperatures ranging from -30°C to 110°C.

Application

Industrial Uses of 71924 CD/P4ADBA Bearing
71924 CD/P4ADBA 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 high-speed performance.

In automotive systems, 71924 CD/P4ADBA Bearing supports components like wheel hubs and transmissions, offering reliable handling of radial and axial loads. Its matched arrangement enhances stability, crucial for smooth vehicle operation.

For automation and robotics, 71924 CD/P4ADBA Bearing provides the precision needed for robotic arms and CNC machines. The phenolic cage material reduces weight while maintaining durability in continuous operation.

Medical imaging devices benefit from 71924 CD/P4ADBA Bearing’s consistent performance and low noise levels. The chrome steel construction ensures long-term reliability in sensitive equipment.

In consumer electronics, 71924 CD/P4ADBA Bearing can be found in high-end printers and scanners, where its precision and speed are key. The open design allows for easy lubrication, extending the bearing’s service life.

Q&A

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