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Super Precision Angular Contact Ball Bearings 71906 CD/P4AQBCA
Super Precision Angular Contact Ball Bearings 71906 CD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71906 CD/P4AQBCA

The 71906 CD/P4AQBCA is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4185 lbf and spins smoothly at speeds up to 100,500 RPM.

Its 15° contact angle and matched set of four bearings ensure stable performance under angular loads. The phenolic cage offers quiet operation and long service life.

This bearing is lubricated for easy maintenance and operates in temperatures from -30°C to 110°C. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.19kg, it’s lightweight yet robust. Compliant with P4A tolerance class for exceptional accuracy. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71906 CD/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4185 lbf
  • Static Radial Load 4118 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.19 kg

Features

How Does 71906 CD/P4AQBCA Bearing Achieve Super Precision?

71906 CD/P4AQBCA Bearing features a 15° contact angle, optimised for high-speed angular contact applications.
Its phenolic cage ensures smooth operation, reducing friction and noise during use.

With a dynamic radial load capacity of 4185 lbf, it handles demanding tasks reliably.
The P4A tolerance class guarantees exceptional precision, making it ideal for critical machinery.

Lubricated for efficiency, it supports speeds up to 100,500 rpm without compromising performance.
The chrome steel construction provides durability, even in high-temperature environments up to 110°C.

Matched in sets of four, these bearings ensure consistent performance in precision assemblies.
Their lightweight design at 0.19 kg per bearing makes them easy to integrate into various systems.

Application

Common Applications of 71906 CD/P4AQBCA Bearing
71906 CD/P4AQBCA Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The phenolic cage reduces friction, making it ideal for high-speed spindle applications.

In robotics, 71906 CD/P4AQBCA Bearing provides smooth motion control for articulated arms, thanks to its matched arrangement of four bearings. The extra light preload enhances positioning accuracy in automated systems.

For aerospace components, 71906 CD/P4AQBCA Bearing’s chrome steel construction withstands rigorous conditions while maintaining performance. Its P4A tolerance class guarantees reliability in critical flight systems.

Medical imaging devices benefit from 71906 CD/P4AQBCA Bearing’s low vibration and high-speed capabilities. The open design allows for easy lubrication, ensuring long service life in demanding environments.

In electric vehicle motors, 71906 CD/P4AQBCA Bearing supports efficient power transmission with minimal energy loss. The metric sizing ensures compatibility with a range of motor designs.

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