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Super Precision Angular Contact Ball Bearings S71908 ACD/P4A

Super Precision Angular Contact Ball Bearings S71908 ACD/P4A

The S71908 ACD/P4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles both radial and axial loads, with a dynamic radial load capacity of 2632 lbf.

The sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures smooth operation at speeds up to 20,000 RPM. Chrome steel construction provides durability and consistent performance in temperatures from -30°C to 110°C.

This bearing comes preloaded and is interchangeable with SKF models, making it a reliable choice for precision machinery. Ideal for applications like spindles, machine tools, or high-speed motors where accuracy and speed are crucial.

Weighing just 0.11kg, it offers a lightweight yet robust solution for demanding environments. The P4 tolerance class ensures exceptional precision for critical operations.

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Product Parameters

  • Part Number S71908 ACD/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 21
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2632 lbf
  • Static Radial Load 1800 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 20000 rpm
  • Weight 0.11 kg
  • Price（$） 345.744
Super Precision Angular Contact Ball Bearings S71908 ACD/P4A dimension drawing
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Features

Performance Features of S71908 ACD/P4A Bearing

S71908 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The bearing’s P4 tolerance class guarantees high precision, making it suitable for demanding tasks.
With a dynamic radial load capacity of 2632 lbf, it handles rigorous conditions effectively.

S71908 ACD/P4A Bearing operates at speeds up to 20,000 rpm without compromising performance.
Its sealed design and pre-lubrication minimise maintenance, ensuring long-term reliability.

Application

Industrial Uses of S71908 ACD/P4A Bearing
S71908 ACD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

What Makes S71908 ACD/P4A Bearing a Preferred Choice?
In robotics, S71908 ACD/P4A Bearing provides smooth motion control for robotic arms, thanks to its phenolic cage reducing friction. Its high-speed capability makes it suitable for automated assembly lines.

Perfect Fit for Automation: S71908 ACD/P4A Bearing
S71908 ACD/P4A Bearing works well in 3D printers, offering precise linear motion for print heads. The P4 tolerance class ensures consistent quality in detailed printing tasks.

Medical vs Industrial: Where S71908 ACD/P4A Bearing Excels
For medical imaging devices, S71908 ACD/P4A Bearing delivers quiet and reliable operation. In industrial pumps, its robust design handles both radial and axial loads efficiently.

Q&A

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