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Super Precision Angular Contact Ball Bearings S7211 CD/P4A

Super Precision Angular Contact Ball Bearings S7211 CD/P4A

The S7211 CD/P4A is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 12442 lbf and operates smoothly at speeds up to 14000 RPM.
Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet and efficient performance. The bearing works reliably in temperatures ranging from -30°C to 110°C.
With a 15° contact angle and P4 tolerance class, it offers excellent precision for demanding applications. Ideal for machine tools, spindles, or other high-speed equipment where accuracy is crucial.
Weighing 0.62kg, it’s a sturdy yet manageable choice for precision engineering needs.

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Product Parameters

  • Part Number S7211 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 21 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 15
  • 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 12442 lbf
  • Static Radial Load 9675 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 14000 rpm
  • Weight 0.62 kg
  • Price（$） 492.192
Super Precision Angular Contact Ball Bearings S7211 CD/P4A dimension drawing
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Features

Performance Features of S7211 CD/P4A Bearing

S7211 CD/P4A Bearing is designed with a 15° contact angle, ensuring precise performance in angular contact applications.
The chrome steel rings and balls provide durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 12442 lbf, S7211 CD/P4A Bearing handles demanding conditions reliably.
Its maximum speed of 14,000 rpm makes it suitable for high-speed applications without compromising precision.

The sealed design of S7211 CD/P4A Bearing protects against contaminants, extending its service life.
Preload availability enhances stability, making it ideal for applications requiring tight tolerances.

S7211 CD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class ensures consistent performance in precision engineering tasks.

Application

Industrial Uses of S7211 CD/P4A Bearing
S7211 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 automotive applications, S7211 CD/P4A Bearing supports high-speed components like electric motor shafts, thanks to its balanced load capacity. The phenolic cage reduces friction, enhancing efficiency in demanding conditions.

For robotics, S7211 CD/P4A Bearing provides reliable motion control in articulated arms, where smooth operation is essential. Its P4 tolerance class ensures minimal vibration, crucial for precision tasks.

Medical imaging devices benefit from S7211 CD/P4A Bearing’s consistent performance, especially in rotating parts of scanners. The chrome steel construction offers durability for long-term use in critical applications.

In automation systems, S7211 CD/P4A Bearing is ideal for 3D printer spindles, where its high-speed capability and low friction improve print quality. The lubricated design ensures quiet operation, suitable for office or home environments.

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