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Super Precision Angular Contact Ball Bearings S7011 CD/P4A

Super Precision Angular Contact Ball Bearings S7011 CD/P4A

The S7011 CD/P4A is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 8932 lbf and operates smoothly at speeds up to 15,000 RPM.

Its sealed design keeps lubrication intact, while the phenolic cage reduces friction for quieter performance. The 15° contact angle ensures stability under angular loads.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy is key. It works in temperatures from -30°C to 110°C.

Weighing 0.38kg, it’s a robust yet compact choice for demanding environments. Compliant with P4 tolerance standards for reliable performance.

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Product Parameters

  • Part Number S7011 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 18
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 8932 lbf
  • Static Radial Load 7312 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.38 kg
  • Price（$） 398.52
Super Precision Angular Contact Ball Bearings S7011 CD/P4A dimension drawing
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Features

How Does S7011 CD/P4A Bearing Achieve Super Precision?

S7011 CD/P4A Bearing features a 15° 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 8932 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise even at speeds up to 15,000 rpm.
With a P4 tolerance class, S7011 CD/P4A Bearing delivers consistent performance in demanding conditions.

Sealed design and built-in lubrication enhance reliability, minimising maintenance needs.
Its temperature range of -30° to 110°C ensures stable operation in varied environments.

Application

Essential Roles of S7011 CD/P4A Bearing
S7011 CD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

Where Is S7011 CD/P4A Bearing Used?
In automotive applications, S7011 CD/P4A Bearing supports components like electric motors and gearboxes, thanks to its ability to handle both radial and axial loads. Its phenolic cage offers quiet operation, ideal for electric vehicles.

Perfect Fit for Automation: S7011 CD/P4A Bearing
This bearing excels in robotic arms and automated systems, where its P4 tolerance class ensures repeatable precision. The lubricated design reduces maintenance needs, making it a reliable choice for continuous operation.

Medical vs Industrial: Where S7011 CD/P4A Bearing Excels
S7011 CD/P4A Bearing is suitable for medical imaging devices, providing smooth and quiet performance. In industrial settings, it’s often found in pumps and compressors, where durability and precision are key.

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