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Super Precision Angular Contact Ball Bearings S71913 CB/P4A

Super Precision Angular Contact Ball Bearings S71913 CB/P4A

The S71913 CB/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, designed for high-speed applications. Its compact 13mm width and sealed design make it suitable for tight spaces while keeping contaminants out.

Made from chrome steel with a phenolic cage, it handles radial loads up to 2385 lbf and spins smoothly at speeds up to 20,000 RPM. The 15° contact angle ensures stable performance under angular loads.

This bearing comes preloaded and is available in matched sets for precise alignment. Ideal for machine tools, spindles, or any high-precision equipment requiring reliable rotation.

Weighing just 0.22kg, it meets P4 tolerance standards (ABEC-7) for exceptional accuracy. Works well in temperatures from -30°C to 110°C and is interchangeable with SKF bearings.

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Product Parameters

  • Part Number S71913 CB/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 5.556 mm
  • Ball Qty 32
  • Contact Angle 15°
  • 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 2385 lbf
  • Static Radial Load 2138 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 20000 rpm
  • Weight 0.22 kg
  • Price（$） 77.346
Super Precision Angular Contact Ball Bearings S71913 CB/P4A dimension drawing
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Features

Why Choose S71913 CB/P4A Bearing for Precision Tasks?

S71913 CB/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and smooth operation under dynamic radial loads up to 2385 lbf.

The sealed design and phenolic cage reduce friction, enhancing performance in high-speed scenarios.
With a maximum speed of 20,000 rpm, it maintains reliability without compromising precision.

Preloaded and matched arrangements are available, offering flexibility for various installation needs.
Its P4 tolerance class (ABEC-7) guarantees consistent accuracy in demanding environments.

Application

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

In robotics, S71913 CB/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its 15° contact angle balances radial and axial loads effectively in dynamic applications.

For aerospace components, S71913 CB/P4A Bearing’s P4 tolerance class meets strict requirements for navigation systems. The chrome steel construction maintains dimensional stability even during rapid temperature changes.

Medical imaging devices benefit from S71913 CB/P4A Bearing’s low vibration characteristics during high-speed rotations. The lubricated design ensures quiet operation essential for sensitive diagnostic equipment.

In packaging machinery, S71913 CB/P4A Bearing handles both radial and thrust loads simultaneously on fast-moving conveyor lines. Its matched arrangement option allows for preload adjustment to suit specific operational needs.

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