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Super Precision Angular Contact Ball Bearings 71908 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 71908 CD/P4ADBC

The 71908 CD/P4ADBC is a super precision angular contact ball bearing, measuring 40mm by 62mm by 24mm. Made from chrome steel, it offers a 15° contact angle and comes in a matched pair for balanced performance.

It handles radial loads up to 4478 lbf and spins smoothly at speeds up to 56,000 RPM. The phenolic cage ensures durability, while the open design allows for easy lubrication.

This bearing is ideal for high-precision applications like machine tools or spindles, where moderate preload is required. Its P4A tolerance class ensures reliable accuracy.

Weighing 0.22kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71908 CD/P4ADBC
  • 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 <> DB
  • 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/P4ADBC dimension drawing
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Features

Performance Features of 71908 CD/P4ADBC Bearing

71908 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The matched arrangement of two bearings provides balanced performance under dynamic radial loads up to 4478 lbf.
With a maximum speed of 56,000 rpm, it delivers precision and efficiency in high-speed operations.

71908 CD/P4ADBC Bearing operates smoothly in temperatures ranging from -30°C to 110°C.
Its moderate preload (Class C) enhances stability, making it suitable for precision machinery.

Application

Essential Roles of 71908 CD/P4ADBC Bearing
71908 CD/P4ADBC Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial settings.

In automotive applications, 71908 CD/P4ADBC Bearing supports gearbox systems, offering smooth performance under moderate preload conditions. Its chrome steel construction enhances durability in high-speed scenarios.

For medical imaging devices, 71908 CD/P4ADBC Bearing’s phenolic cage reduces friction, ensuring quiet operation. The P4A tolerance class makes it suitable for equipment requiring exacting precision.

Automation and robotics benefit from 71908 CD/P4ADBC Bearing’s ability to handle combined loads in robotic arms. The open design allows for easy lubrication, extending service life in continuous operations.

In consumer electronics like high-end printers, 71908 CD/P4ADBC Bearing’s moderate preload ensures consistent paper feed. Its metric sizing fits seamlessly into compact European and Asian device designs.

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