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Super Precision Angular Contact Ball Bearings 71908 CD/P4ADFC

Super Precision Angular Contact Ball Bearings 71908 CD/P4ADFC

The 71908 CD/P4ADFC is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched set of two bearings arranged back-to-back (DF).

This bearing handles radial loads up to 4478 lbf and can reach speeds of 56,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures smooth operation and durability under moderate preload (Class C).

The open design allows for easy lubrication, while the P4A tolerance class guarantees exceptional precision. Ideal for use in machine tools or spindle drives where accuracy and speed are crucial.

Weighing just 0.22kg, it operates efficiently in temperatures from -30°C to 110°C. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71908 CD/P4ADFC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings >< DF
  • Number Of Bearings In Matched Set 2
  • 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 4478 lbf
  • Static Radial Load 3825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.22 kg
Super Precision Angular Contact Ball Bearings 71908 CD/P4ADFC dimension drawing
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Features

Why Choose 71908 CD/P4ADFC Bearing for Precision Tasks?

71908 CD/P4ADFC Bearing features a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure high durability and smooth operation under demanding conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 56,000 rpm, it excels in high-speed applications.

71908 CD/P4ADFC Bearing’s P4A tolerance class guarantees precision and reliability.
Its moderate preload (Class C) ensures consistent performance in matched DF arrangements.

The open design allows for easy lubrication, extending service life.
Operating between -30°C to 110°C, it adapts to various environmental conditions.

Application

Industrial Uses of 71908 CD/P4ADFC Bearing
71908 CD/P4ADFC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during high-speed operations.

In automotive applications, 71908 CD/P4ADFC Bearing supports gearbox systems, providing smooth power transmission under radial and axial loads. Its phenolic cage offers durability in demanding driving conditions.

For robotics, 71908 CD/P4ADFC Bearing is ideal for articulated arms, thanks to its precise movement and low friction. The matched arrangement enhances performance in complex motion sequences.

Medical imaging devices benefit from 71908 CD/P4ADFC Bearing’s consistent performance and low noise levels. The chrome steel construction ensures reliability in critical healthcare environments.

In aerospace, 71908 CD/P4ADFC Bearing is used in navigation systems, where its precision and temperature tolerance are essential. The open design allows for easy lubrication and maintenance.

Q&A

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