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Super Precision Angular Contact Ball Bearings S71920 CE/P4A

Super Precision Angular Contact Ball Bearings S71920 CE/P4A

The S71920 CE/P4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 8775 lbf and operates smoothly at speeds up to 13,300 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle and P4 tolerance class make it ideal for high-precision applications.

This bearing is interchangeable with SKF models, offering a reliable replacement option. Suitable for machine tools or spindle systems where accuracy and speed are key.

Weighing 0.78kg, it’s robust yet manageable for its size. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number S71920 CE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 24
  • 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 8775 lbf
  • Static Radial Load 7088 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 13300 rpm
  • Weight 0.78 kg
  • Price（$） 1447.641
Super Precision Angular Contact Ball Bearings S71920 CE/P4A dimension drawing
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Features

Performance Features of S71920 CE/P4A Bearing

S71920 CE/P4A Bearing is designed with a 15° contact angle, optimising it for angular contact loads.
Its chrome steel rings and balls ensure durability and consistent performance under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 8775 lbf, it handles demanding applications with ease.

S71920 CE/P4A Bearing operates efficiently at speeds up to 13,300 rpm, balancing speed and reliability.
Its sealed design and preload availability make it suitable for precision tasks in various conditions.

Application

Common Applications of S71920 CE/P4A Bearing
S71920 CE/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, making it suitable for dusty workshop environments.

In automotive applications, S71920 CE/P4A Bearing supports high-speed components like turbochargers and electric motors. Its phenolic cage reduces friction, enhancing efficiency in demanding conditions.

For robotics, S71920 CE/P4A Bearing’s matched arrangement allows smooth movement in articulated arms and joints. The P4 tolerance class ensures consistent performance in repetitive tasks.

Medical imaging devices benefit from S71920 CE/P4A Bearing’s low noise and vibration levels. The chrome steel construction provides long-lasting reliability in critical diagnostic equipment.

In aerospace systems, S71920 CE/P4A Bearing handles both radial and axial loads in navigation instruments. Its high-speed capability makes it a dependable choice for precision aviation components.

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