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Super Precision Angular Contact Ball Bearings 71934 CD/P4AQBCD

Super Precision Angular Contact Ball Bearings 71934 CD/P4AQBCD

The 71934 CD/P4AQBCD is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, crafted from durable chrome steel. It handles heavy radial loads up to 77625 lbf and operates smoothly at speeds up to 16250 RPM.

Its 15° contact angle and matched arrangement of four bearings provide excellent stability under angular loads. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

This bearing comes preloaded for heavy-duty applications, making it ideal for high-precision machinery like spindles or CNC equipment. It performs reliably in temperatures from -30°C to 110°C.

Weighing 11.4kg, it’s designed for robust performance in industrial settings. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71934 CD/P4AQBCD
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 112 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 29
  • 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 Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 77625 lbf
  • Static Radial Load 150750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 11.4 kg
Super Precision Angular Contact Ball Bearings 71934 CD/P4AQBCD dimension drawing
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Features

Performance Features of 71934 CD/P4AQBCD Bearing

71934 CD/P4AQBCD Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The bearing set includes four matched bearings with heavy preload, enhancing stability under high radial loads.
With a dynamic radial load capacity of 77625 lbf, it performs reliably in demanding conditions.

71934 CD/P4AQBCD Bearing operates smoothly at speeds up to 16,250 rpm, balancing speed and precision.
Its temperature range of -30°C to 110°C makes it suitable for various industrial environments.

Application

Industrial Uses of 71934 CD/P4AQBCD Bearing
71934 CD/P4AQBCD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under heavy loads. The phenolic cage offers smooth operation at high speeds, making it suitable for demanding industrial environments.

In automotive applications, 71934 CD/P4AQBCD Bearing supports components like wheel hubs and transmissions, where its heavy preload capability enhances stability. The metric dimensions ensure compatibility with a variety of vehicle designs.

For robotics, 71934 CD/P4AQBCD Bearing’s precision and durability make it ideal for robotic arms and automated systems. Its chrome steel construction provides long-lasting performance in continuous operation.

Medical imaging devices benefit from 71934 CD/P4AQBCD Bearing’s low tolerance and high-speed capabilities. The open design allows for easy lubrication, ensuring consistent performance in critical applications.

In aerospace, 71934 CD/P4AQBCD Bearing is used in flight control systems, where its reliability and precision are essential. The matched arrangement of four bearings ensures optimal load distribution.

Q&A

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