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Super Precision Angular Contact Ball Bearings 71908 CD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71908 CD/P4ATBTA

The 71908 CD/P4ATBTA 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 set of three bearings arranged in a TBT configuration.

This bearing handles radial loads up to 5962 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 stress.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precise performance. Ideal for machine tools or precision equipment where accuracy is crucial.

Weighing just 0.33kg, it’s a lightweight yet robust solution for demanding environments. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number 71908 CD/P4ATBTA
  • 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 36 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 5962 lbf
  • Static Radial Load 5738 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.33 kg
Super Precision Angular Contact Ball Bearings 71908 CD/P4ATBTA dimension drawing
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Features

Performance Features of 71908 CD/P4ATBTA Bearing

71908 CD/P4ATBTA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to radial and axial forces.

The phenolic cage ensures smooth operation at high speeds, up to 56,000 rpm.
With a dynamic radial load capacity of 5962 lbf, it handles demanding tasks with ease.

71908 CD/P4ATBTA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its precision P4A tolerance class guarantees consistent performance in high-accuracy applications.

The matched arrangement of three bearings enhances stability and load distribution.
This design reduces vibration, making it ideal for precision machinery.

Application

Key Fields for 71908 CD/P4ATBTA Bearing
71908 CD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set arrangement of three bearings provides stability for demanding industrial applications.

In robotics, 71908 CD/P4ATBTA Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage material helps reduce weight while maintaining strength in automated systems.

For medical imaging devices, 71908 CD/P4ATBTA Bearing’s P4A tolerance class delivers the precision needed for consistent performance. The chrome steel construction ensures durability in critical healthcare environments.

Automotive testing equipment often relies on 71908 CD/P4ATBTA Bearing for its ability to handle combined radial and axial loads. The extra light preload makes it suitable for sensitive measurement applications.

In aerospace components, 71908 CD/P4ATBTA Bearing’s high-speed capability (up to 56,000 rpm) proves valuable for auxiliary systems. The lubricated design ensures reliable operation across a wide temperature range.

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