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Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADBD

Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADBD

The 71924 ACD/P4ADBD is a super precision angular contact ball bearing, measuring 120mm by 165mm by 44mm, crafted from durable chrome steel. It handles radial loads up to 26775 lbf and operates smoothly at speeds up to 16250 RPM.

With a 25° contact angle and heavy preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet and efficient performance, even under demanding conditions.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindles where accuracy is crucial. It works reliably in temperatures from -30°C to 110°C.

Weighing 2.3kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71924 ACD/P4ADBD
  • 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 25°
  • 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 Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 26775 lbf
  • Static Radial Load 38925 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 2.3 kg
Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADBD dimension drawing
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Features

Performance Features of 71924 ACD/P4ADBD Bearing

71924 ACD/P4ADBD Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The matched arrangement of two bearings ensures stability and accuracy in high-speed operations.

Constructed from chrome steel, 71924 ACD/P4ADBD Bearing offers excellent resistance to wear and fatigue.
Its phenolic cage enhances durability while maintaining smooth operation under heavy radial loads.

With a maximum speed of 16,250 rpm, 71924 ACD/P4ADBD Bearing delivers reliable performance in demanding conditions.
The P4A tolerance class guarantees precision, making it suitable for high-accuracy machinery.

71924 ACD/P4ADBD Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its preloaded design reduces vibration, ensuring consistent performance over time.

Application

Industrial Uses of 71924 ACD/P4ADBD Bearing
71924 ACD/P4ADBD Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The heavy preload ensures stability during demanding operations.

In aerospace applications, 71924 ACD/P4ADBD Bearing supports critical components like turbine shafts, thanks to its high-speed capability and reliable performance. The phenolic cage reduces friction, enhancing longevity.

For robotics, 71924 ACD/P4ADBD Bearing is ideal for articulated arms, providing smooth motion and precise positioning. Its matched arrangement simplifies installation, saving time during assembly.

Medical imaging systems benefit from 71924 ACD/P4ADBD Bearing’s low-noise operation and consistent accuracy. The chrome steel construction ensures durability in sterile environments.

In automotive testing equipment, 71924 ACD/P4ADBD Bearing’s high dynamic load capacity makes it suitable for rigorous performance evaluations. The P4A tolerance class guarantees precise measurements.

Q&A

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