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Super Precision Angular Contact Ball Bearings 71908 CE/P4A

Super Precision Angular Contact Ball Bearings 71908 CE/P4A

The 71908 CE/P4A 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 is designed for angular contact loads, handling up to 2194 lbf dynamically.

With a phenolic cage and open design, it allows for easy lubrication and spins smoothly at speeds up to 49,000 RPM. Its P4 tolerance class ensures exceptional accuracy for demanding applications.

This bearing is ideal for high-speed machinery like spindles or precision tools, operating reliably between -30°C and 110°C. Weighing just 0.1kg, it’s lightweight yet robust for its size.

Interchangeable with SKF bearings, it offers a practical replacement option. The preload availability enhances performance in precision setups.

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Product Parameters

  • Part Number 71908 CE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 19
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2194 lbf
  • Static Radial Load 1350 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 49000 rpm
  • Weight 0.1 kg
  • Price（$） 288.171
Super Precision Angular Contact Ball Bearings 71908 CE/P4A dimension drawing
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Features

Why Choose 71908 CE/P4A Bearing for Precision Tasks?

71908 CE/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 2194 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 49,000 rpm, it excels in high-speed scenarios while maintaining precision.

71908 CE/P4A Bearing operates efficiently within a temperature range of -30° to 110°C, suitable for varied environments.
Its ABEC-7 tolerance class guarantees consistent accuracy, making it ideal for demanding tasks.

Application

Common Applications of 71908 CE/P4A Bearing
71908 CE/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding conditions.

In robotics, 71908 CE/P4A Bearing supports articulated arms, providing smooth movement with minimal friction. Its phenolic cage offers lightweight durability, ideal for repetitive motion applications.

For medical imaging devices, 71908 CE/P4A Bearing’s P4 tolerance class delivers the consistency needed for clear, vibration-free scans. The chrome steel construction also resists wear in sterile environments.

Automotive enthusiasts appreciate 71908 CE/P4A Bearing in performance gearboxes, where its 15° contact angle handles combined radial and axial loads effectively. The metric sizing ensures compatibility with European and Asian drivetrain components.

In 3D printers, 71908 CE/P4A Bearing’s low-friction operation contributes to precise layer alignment. Its compact 40mm bore fits neatly into most desktop printer designs.

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