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Super Precision Angular Contact Ball Bearings 71908 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 71908 CD/P4ADGB

The 71908 CD/P4ADGB is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4478 lbf and reaches speeds of 56,000 RPM smoothly.

Its 15° contact angle and phenolic cage ensure stable performance under light preload conditions. The open design allows for easy lubrication, extending its lifespan.

This bearing is universally matched, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or aerospace components.

Weighing just 0.22kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 71908 CD/P4ADGB
  • 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • 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
  • Price（$） 154.746
Super Precision Angular Contact Ball Bearings 71908 CD/P4ADGB dimension drawing
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Features

How Is 71908 CD/P4ADGB Bearing Engineered for Reliability?

71908 CD/P4ADGB Bearing features a 15° contact angle, optimised for angular contact loads and high-speed applications.
Its chrome steel construction ensures durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 4478 lbf, it handles demanding conditions with ease.
The P4A tolerance class guarantees precision, making it suitable for critical applications.

Universal matching allows flexible arrangement, enhancing versatility in various setups.
Its maximum speed of 56,000 rpm ensures efficient performance in high-speed operations.

The open design simplifies lubrication, maintaining smooth operation over time.
71908 CD/P4ADGB Bearing operates reliably within a temperature range of -30°C to 110°C.

Application

How Does 71908 CD/P4ADGB Bearing Improve Performance?
71908 CD/P4ADGB Bearing excels in high-speed machine spindles, where its 15° contact angle ensures smooth rotation under radial and axial loads. The phenolic cage reduces friction, making it ideal for precision applications like CNC machining.

In automotive transmissions, 71908 CD/P4ADGB Bearing handles angular loads efficiently, contributing to smoother gear shifts. Its universal matching design allows flexible installation in back-to-back or face-to-face configurations.

For medical imaging devices, 71908 CD/P4ADGB Bearing’s P4A tolerance class guarantees the accuracy needed for sensitive diagnostics. The chrome steel construction ensures long-term reliability in demanding clinical environments.

Optimized for Performance: 71908 CD/P4ADGB Bearing
Robotic arms benefit from 71908 CD/P4ADGB Bearing’s light preload, which enhances positioning accuracy without compromising speed. Its open design simplifies lubrication maintenance in automated systems.

In aerospace applications, 71908 CD/P4ADGB Bearing’s high-speed capability (56,000 rpm) makes it suitable for turbine components. The matched set configuration ensures consistent performance in critical flight systems.

Q&A

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