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Super Precision Angular Contact Ball Bearings S7020 CD/P4A

Super Precision Angular Contact Ball Bearings S7020 CD/P4A

The S7020 CD/P4A is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, designed for high accuracy applications. Its 15° contact angle efficiently handles both radial and axial loads, with dynamic radial load capacity up to 18720 lbf.

Made from durable chrome steel with a phenolic cage, it offers smooth operation at speeds up to 8500 RPM. The sealed design keeps lubrication in and contaminants out, reducing maintenance needs.

This bearing comes preloaded and matched for precision performance, meeting P4 tolerance class standards. It works reliably in temperatures from -30°C to 110°C, making it suitable for demanding environments.

Ideal for machine tools, spindles, or other high-speed equipment where precision is crucial. Weighing 1.27kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S7020 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 22
  • 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 18720 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 8500 rpm
  • Weight 1.27 kg
  • Price（$） 1276.47
Super Precision Angular Contact Ball Bearings S7020 CD/P4A dimension drawing
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Features

Why Choose S7020 CD/P4A Bearing for Precision Tasks?

S7020 CD/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under radial loads up to 18720 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 8,500 rpm, it delivers reliable performance in demanding conditions.

Sealed design and lubrication extend service life while minimising maintenance requirements.
Its P4 tolerance class (ABEC-7) guarantees precision for critical applications.

Application

Ideal for Precision: S7020 CD/P4A Bearing
S7020 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.

In robotics, S7020 CD/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its matched arrangement option allows for tighter tolerances in automated systems.

For aerospace applications, S7020 CD/P4A Bearing handles radial and axial loads in avionics equipment, where reliability is critical. The ABEC-7 tolerance class ensures consistent performance under demanding conditions.

Medical imaging devices benefit from S7020 CD/P4A Bearing’s low-noise operation and high-speed capabilities. The chrome steel construction offers long service life in continuous-use scenarios.

In electric vehicle motors, S7020 CD/P4A Bearing supports efficient power transmission with minimal energy loss. Its lubricated design reduces maintenance needs for automotive manufacturers.

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