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Super Precision Angular Contact Ball Bearings 71908 ACD/P4AQBCC

Super Precision Angular Contact Ball Bearings 71908 ACD/P4AQBCC

The 71908 ACD/P4AQBCC 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 6908 lbf and operates smoothly at high speeds up to 41,000 RPM.

With a 25° contact angle and moderate preload, it offers excellent stability for angular loads. The phenolic cage ensures quiet performance and long service life.

This bearing comes in a matched set of four, ideal for applications requiring precise alignment. It works well in temperatures from -30°C to 110°C and is lubricated for easy maintenance.

Suitable for high-precision machinery like spindles or CNC equipment, it’s interchangeable with SKF bearings. Weighing 0.44kg, it balances strength and precision in a compact size.

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Product Parameters

  • Part Number 71908 ACD/P4AQBCC
  • 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 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 6908 lbf
  • Static Radial Load 7200 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.44 kg
Super Precision Angular Contact Ball Bearings 71908 ACD/P4AQBCC dimension drawing
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Features

Engineered for Precision: 71908 ACD/P4AQBCC Bearing

71908 ACD/P4AQBCC Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 6908 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 41,000 rpm, it delivers efficiency in demanding high-speed scenarios.

71908 ACD/P4AQBCC Bearing operates effectively within a temperature range of -30°C to 110°C.
Its P4A tolerance class guarantees precision, making it suitable for critical applications.

Application

Industrial Uses of 71908 ACD/P4AQBCC Bearing
This bearing is commonly used in high-precision machine tools, where its moderate preload and 25° contact angle ensure accurate performance. The open design allows for efficient lubrication, extending its lifespan in demanding conditions.

In automotive applications, 71908 ACD/P4AQBCC Bearing supports gearbox systems, providing smooth operation under angular loads. Its metric sizing and compatibility with SKF make it a versatile choice for various vehicle models.

For robotics, 71908 ACD/P4AQBCC Bearing excels in robotic arms, where its phenolic cage reduces friction and noise. The P4A tolerance class ensures consistent performance in automated systems.

Medical imaging devices benefit from 71908 ACD/P4AQBCC Bearing’s chrome steel construction, which offers reliability in high-speed rotations. The temperature range of -30°C to 110°C makes it suitable for diverse environments.

In 3D printers, 71908 ACD/P4AQBCC Bearing’s high-speed capability ensures precise movement of print heads. The matched set of four bearings provides balanced load distribution for smoother operations.

Q&A

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