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Super Precision Angular Contact Ball Bearings S7213 CD/P4A

Super Precision Angular Contact Ball Bearings S7213 CD/P4A

The S7213 CD/P4A is a super precision angular contact ball bearing with a 65mm bore and 120mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 14918 lbf and spins smoothly at speeds up to 12000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet operation. The 15° contact angle provides excellent stability under angular loads.

This bearing is ideal for high-precision applications like machine tool spindles or medical equipment. It comes pre-lubricated and can operate in temperatures from -30°C to 110°C.

Weighing 1.03kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards for exceptional accuracy. Matched arrangements are available for paired mounting needs.

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Product Parameters

  • Part Number S7213 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 23 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 15
  • 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 14918 lbf
  • Static Radial Load 11925 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 12000 rpm
  • Weight 1.03 kg
  • Price（$） 673.65
Super Precision Angular Contact Ball Bearings S7213 CD/P4A dimension drawing
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Features

Why Choose S7213 CD/P4A Bearing for Precision Tasks?

S7213 CD/P4A Bearing features a 15° contact angle, providing excellent angular contact performance.
Its chrome steel rings and balls ensure high durability and precision in demanding applications.
With a dynamic radial load capacity of 14918 lbf, it handles heavy loads efficiently.
The phenolic cage maintains ball alignment, reducing friction and enhancing longevity.
Lubricated for smooth operation, it reaches speeds up to 12,000 rpm while maintaining stability.

Application

Common Applications of S7213 CD/P4A Bearing
S7213 CD/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, extending service life in demanding workshop conditions.

In robotics, S7213 CD/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its P4 tolerance class makes it ideal for applications requiring minimal vibration.

For aerospace components, S7213 CD/P4A Bearing handles combined radial and thrust loads in avionics systems. The chrome steel construction withstands temperature fluctuations common in flight environments.

Automotive enthusiasts appreciate S7213 CD/P4A Bearing in performance gearboxes, where its 15° contact angle improves power transmission efficiency. The lubricated design ensures quiet operation even at high RPMs.

Medical imaging devices benefit from S7213 CD/P4A Bearing’s precision in rotating scanner gantries. Its matched arrangement option allows for preloaded sets, eliminating play in critical diagnostic equipment.

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