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Super Precision Angular Contact Ball Bearings S71913 ACE/P4A

Super Precision Angular Contact Ball Bearings S71913 ACE/P4A

The S71913 ACE/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes sealed for protection.

This bearing handles radial loads up to 3510 lbf and reaches speeds of 18,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures smooth operation and longevity.

Preload and matched arrangements are available for enhanced stability and precision. The P4 tolerance class guarantees tight tolerances, ideal for demanding machinery.

Weighing just 0.2kg, it’s lightweight yet robust. Perfect for use in spindle drives or high-speed rotary systems where precision and reliability are key. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number S71913 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • 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 3510 lbf
  • Static Radial Load 2610 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 18000 rpm
  • Weight 0.2 kg
  • Price（$） 77.121
Super Precision Angular Contact Ball Bearings S71913 ACE/P4A dimension drawing
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Features

Why Choose S71913 ACE/P4A Bearing for Precision Tasks?

S71913 ACE/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 3510 lbf, it performs reliably in high-speed applications.
The P4 tolerance class guarantees tight precision, making it suitable for demanding machinery.

Sealed design and preload availability enhance performance, reducing maintenance needs.
It operates efficiently at speeds up to 18,000 rpm, balancing speed and stability.

Application

Common Applications of S71913 ACE/P4A Bearing
S71913 ACE/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding environments.

In robotics, S71913 ACE/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its 25° contact angle also handles combined loads efficiently, making it ideal for dynamic applications.

For medical imaging devices, S71913 ACE/P4A Bearing’s P4 tolerance class guarantees minimal vibration during operation. The chrome steel components offer reliable performance in sensitive diagnostic equipment where consistency is key.

Automotive enthusiasts appreciate S71913 ACE/P4A Bearing in performance gearboxes, where its high-speed capability (up to 18,000 rpm) enhances shifting precision. The preload availability further fine-tunes the bearing for specific load requirements.

In aerospace applications, S71913 ACE/P4A Bearing’s matched arrangement option ensures synchronised performance in critical flight systems. Its lightweight design (0.2kg) makes it suitable for weight-sensitive aviation components.

Q&A

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