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Super Precision Angular Contact Ball Bearings S71908 ACE/P4A

Super Precision Angular Contact Ball Bearings S71908 ACE/P4A

The S71908 ACE/P4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with matched arrangements and preload options available.

This bearing handles radial loads up to 2106 lbf and reaches speeds of 28,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures smooth operation and durability under demanding conditions.

With a tolerance class of P4 (ABEC-7), it offers exceptional precision for tasks requiring tight tolerances. The bearing works reliably in temperatures ranging from -30°C to 110°C.

Ideal for use in machine tools, spindles, or other high-speed equipment where precision and reliability are key. Weighing just 0.11kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71908 ACE/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 19
  • 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 2106 lbf
  • Static Radial Load 1282 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.11 kg
  • Price（$） 346.221
Super Precision Angular Contact Ball Bearings S71908 ACE/P4A dimension drawing
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Features

Why Choose S71908 ACE/P4A Bearing for Precision Tasks?

S71908 ACE/P4A Bearing features a 25° contact angle, ideal for high-precision angular contact applications.
Its chrome steel construction ensures durability and smooth operation under dynamic radial loads up to 2106 lbf.

The sealed design and phenolic cage reduce friction, enhancing performance at speeds up to 28,000 rpm.
With ABEC-7 tolerance, S71908 ACE/P4A Bearing delivers consistent accuracy in demanding conditions.

Preload availability and matched arrangement options make it versatile for complex assemblies.
Its temperature range of -30° to 110°C ensures reliability in varied environments.

Application

Industrial Uses of S71908 ACE/P4A Bearing
S71908 ACE/P4A Bearing is commonly 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 environments.

What Makes S71908 ACE/P4A Bearing a Preferred Choice?
In robotics, S71908 ACE/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its 25° contact angle handles combined loads efficiently, making it ideal for automated assembly lines.

Built for Heavy-Duty Use: S71908 ACE/P4A Bearing
S71908 ACE/P4A Bearing excels in aerospace applications, supporting helicopter rotor systems with reliable performance. The P4 tolerance class guarantees precision even under extreme rotational speeds.

Medical vs Industrial: Where S71908 ACE/P4A Bearing Excels
For medical imaging devices, S71908 ACE/P4A Bearing offers quiet operation crucial for patient comfort. In industrial pumps, its lubricated design ensures long-term reliability with minimal maintenance.

Automotive vs Aerospace: Applications of S71908 ACE/P4A Bearing
S71908 ACE/P4A Bearing is found in performance car transmissions, handling high RPMs with stability. In aircraft systems, its lightweight construction and precision tolerances meet strict aviation standards.

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