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Super Precision Angular Contact Ball Bearings 71924 CD/P4AQBCC

Super Precision Angular Contact Ball Bearings 71924 CD/P4AQBCC

The 71924 CD/P4AQBCC is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel. It measures 120mm x 165mm x 88mm, making it a compact yet robust unit for high-performance applications.

This bearing handles radial loads up to 45675 lbf and operates smoothly at speeds up to 10000 RPM. Its 15° contact angle and moderate preload (Class C) ensure stable performance under angular loads.

The open design allows for easy lubrication, while the phenolic cage enhances durability. It comes in a matched set of four bearings (QBC arrangement), ideal for precise alignment needs.

Suitable for machine tools or high-speed spindles, it performs reliably in temperatures from -30°C to 110°C. Weighing 4.6kg, it’s a solid choice for demanding industrial environments. Compliant with P4A tolerance standards for precision engineering.

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Product Parameters

  • Part Number 71924 CD/P4AQBCC
  • 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 15°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 45675 lbf
  • Static Radial Load 82125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 4.6 kg
Super Precision Angular Contact Ball Bearings 71924 CD/P4AQBCC dimension drawing
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Features

Performance Features of 71924 CD/P4AQBCC Bearing

71924 CD/P4AQBCC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 45675 lbf, it handles demanding conditions reliably.

Its P4A tolerance class guarantees high precision, making it suitable for critical applications.

Application

Industrial Uses of 71924 CD/P4AQBCC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set arrangement provides stability in demanding industrial environments.

In automotive applications, 71924 CD/P4AQBCC Bearing supports high-speed components like turbochargers and transmission systems. Its moderate preload and P4A tolerance class make it suitable for performance vehicles.

For robotics, 71924 CD/P4AQBCC Bearing offers reliable motion control in articulated arms and precision actuators. The phenolic cage reduces friction, enhancing efficiency in automated systems.

Medical imaging devices benefit from 71924 CD/P4AQBCC Bearing’s smooth operation and low vibration. Its chrome steel construction ensures durability in critical diagnostic equipment.

In aerospace applications, this bearing handles radial and axial loads in flight control systems. The open design allows for easy lubrication, extending service life in harsh conditions.

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