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Super Precision Angular Contact Ball Bearings S7211 ACD/HCP4A

Super Precision Angular Contact Ball Bearings S7211 ACD/HCP4A

The S7211 ACD/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from high-quality chrome steel. Its compact 21mm width makes it suitable for tight spaces, while the ceramic balls enhance performance.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 11858 lbf dynamically. It reaches speeds of 15000 RPM, ideal for high-speed applications.

The sealed design keeps lubrication in and contaminants out, extending its lifespan. The phenolic cage ensures smooth operation even under heavy loads.

Perfect for precision machinery like spindles or CNC equipment, this bearing operates reliably from -30°C to 110°C. Its P4 tolerance class guarantees exceptional accuracy for demanding tasks.

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Product Parameters

  • Part Number S7211 ACD/HCP4A
  • 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 25°
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 11858 lbf
  • Static Radial Load 9112 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.52 kg
  • Price（$） 492.165
Super Precision Angular Contact Ball Bearings S7211 ACD/HCP4A dimension drawing
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Features

Performance Features of S7211 ACD/HCP4A Bearing

S7211 ACD/HCP4A Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The ceramic balls reduce friction, enhancing speed capabilities up to 15,000 rpm.

Its chrome steel rings and phenolic cage ensure durability and smooth operation under high dynamic radial loads of 11,858 lbf.
The sealed design protects against contaminants, extending service life in demanding conditions.

With a precision tolerance class of P4 (ABEC-7), S7211 ACD/HCP4A Bearing delivers consistent performance.
The lubricated design minimises maintenance needs while operating within a temperature range of -30° to 110°C.

Application

Industrial Uses of S7211 ACD/HCP4A Bearing
S7211 ACD/HCP4A Bearing is commonly used in high-speed machine tools, where its angular contact design ensures precise alignment and smooth operation. The ceramic balls reduce friction, making it suitable for applications demanding both speed and accuracy.

In automotive systems, S7211 ACD/HCP4A Bearing supports components like electric motors and transmissions, where its sealed design helps maintain performance in dusty or wet conditions. The phenolic cage adds durability, even under continuous use.

For robotics and automation, S7211 ACD/HCP4A Bearing’s preload capability enhances stability in robotic arms and CNC machines. Its P4 tolerance class ensures consistent performance in tasks requiring high precision.

Medical imaging devices benefit from S7211 ACD/HCP4A Bearing’s reliable operation, thanks to its chrome steel rings and ceramic balls. The lubricated design ensures quiet and smooth movement, crucial for sensitive equipment.

In consumer electronics like high-end printers, S7211 ACD/HCP4A Bearing’s compact size and precision make it ideal for maintaining consistent print quality. The sealed construction also protects against dust and debris.

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