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Super Precision Angular Contact Ball Bearings S71908 ACDTP/P4B

Super Precision Angular Contact Ball Bearings S71908 ACDTP/P4B

The S71908 ACDTP/P4B 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 2632 lbf and reaches speeds of 20,000 RPM smoothly.

Its 25° contact angle and sealed design ensure reliable performance in demanding conditions, while the phenolic cage reduces friction. The bearing comes preloaded for immediate use in high-precision applications.

Ideal for machine tools or spindle drives, it operates in temperatures from -30°C to 110°C. Weighing just 0.11kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71908 ACDTP/P4B
  • 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（$） 346.32
Super Precision Angular Contact Ball Bearings S71908 ACDTP/P4B dimension drawing
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Features

Why Choose S71908 ACDTP/P4B Bearing for Precision Tasks?

S71908 ACDTP/P4B Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 2632 lbf.

The sealed design and phenolic cage reduce friction, making it suitable for high-speed applications up to 20,000 rpm.
With a P4 tolerance class, it delivers consistent performance in demanding environments.

Preload options and matched arrangements enhance stability, ideal for precision machinery.
Its compact size (40 mm×62 mm×12 mm) allows easy integration into various systems.

Application

Common Applications of S71908 ACDTP/P4B Bearing
S71908 ACDTP/P4B Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S71908 ACDTP/P4B Bearing enables smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its P4 tolerance class makes it suitable for applications requiring minimal vibration.

For medical imaging devices like CT scanners, S71908 ACDTP/P4B Bearing provides reliable performance with its chrome steel components. The 25° contact angle helps maintain stability during high-speed rotations.

Automotive electric motors benefit from S71908 ACDTP/P4B Bearing’s ability to handle combined radial and axial loads. Its lubricated design ensures quiet operation in electric vehicle powertrains.

In aerospace applications, S71908 ACDTP/P4B Bearing’s matched arrangement option allows for precise alignment in flight control systems. The temperature range suits both ground operations and high-altitude conditions.

Q&A

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