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Super Precision Angular Contact Ball Bearings 71924 ACD/P4AQBCB

Super Precision Angular Contact Ball Bearings 71924 ACD/P4AQBCB

The 71924 ACD/P4AQBCB is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 43875 lbf and operates smoothly at speeds up to 16250 RPM.

Its 25° contact angle and matched set of four bearings ensure stable performance under angular loads. The phenolic cage offers lightweight strength, while the open design allows for easy lubrication.

This bearing is ideal for high-precision applications like machine tool spindles or aerospace systems. With a temperature range of -30°C to 110°C, it suits demanding environments.

Weighing 4.6kg, it’s robust yet precision-engineered for accuracy. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 71924 ACD/P4AQBCB
  • 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 88 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 43875 lbf
  • Static Radial Load 77625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 4.6 kg
Super Precision Angular Contact Ball Bearings 71924 ACD/P4AQBCB dimension drawing
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Features

Performance Features of 71924 ACD/P4AQBCB Bearing

71924 ACD/P4AQBCB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 43875 lbf.

The phenolic cage maintains ball alignment, reducing friction and extending operational life.
With a maximum speed of 16,250 rpm, it delivers reliable performance in demanding conditions.

71924 ACD/P4AQBCB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of four bearings ensures consistent performance in angular contact applications.

The light preload design enhances precision while minimising wear.
This makes 71924 ACD/P4AQBCB Bearing suitable for high-speed, high-precision machinery.

Application

Industrial Uses of 71924 ACD/P4AQBCB Bearing
71924 ACD/P4AQBCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of four bearings provides stability in demanding industrial environments.

In aerospace applications, 71924 ACD/P4AQBCB Bearing handles radial and axial loads in turbine systems, thanks to its phenolic cage and chrome steel construction. Its P4A tolerance class makes it suitable for critical flight components.

For robotics, 71924 ACD/P4AQBCB Bearing offers smooth motion control in articulated arms, with its light preload reducing friction. The open seal design allows for easy lubrication in high-speed operations.

Medical imaging devices benefit from 71924 ACD/P4AQBCB Bearing’s precision, ensuring quiet and reliable performance in MRI machines. The temperature range of -30°C to 110°C accommodates various clinical settings.

In automotive testing equipment, 71924 ACD/P4AQBCB Bearing supports accurate measurements due to its consistent dynamic radial load capacity. The metric sizing ensures compatibility with European and Asian machinery standards.

Q&A

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