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Super Precision Angular Contact Ball Bearings 7211 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 7211 ACD/HCP4A

The 7211 ACD/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, designed for high-speed applications. Made from chrome steel and ceramic balls, it offers excellent durability and smooth operation.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 11858 lbf dynamically. Its phenolic cage ensures stability at speeds up to 24000 RPM.

The open design allows for easy lubrication, while the P4 tolerance class guarantees precise performance. Ideal for machine tools or high-precision spindles where accuracy is key.

Weighing 0.51kg, it’s a robust yet lightweight choice for demanding environments. Compliant with standard temperature ranges from -30°C to 110°C.

The 7211 ACD/HCP4A is interchangeable with SKF bearings, making it a versatile option for replacements. Its preload capability ensures minimal play, perfect for applications requiring tight tolerances.

The ceramic balls reduce friction, enhancing speed and longevity. Suitable for industries like aerospace or medical equipment where reliability is crucial.

With 15 balls of 14.288mm diameter, it balances load distribution effectively. The phenolic cage resists heat, maintaining performance under stress.

This bearing excels in high-speed scenarios, such as CNC machinery or robotics. Its open seal design simplifies maintenance, while the chrome steel rings provide strength.

The dynamic radial load capacity of 11858 lbf ensures it can handle heavy-duty tasks. The ABEC-7 rating confirms its precision for critical applications.

Operating between -30°C and 110°C, it adapts to various environments. A dependable choice for engineers seeking performance and durability.

The 7211 ACD/HCP4A’s 21mm width makes it compact yet powerful. Its ceramic balls and phenolic cage reduce wear, extending service life.

Ideal for applications like electric motors or pumps, where speed and precision matter. The open design allows for custom lubrication to suit specific needs.

With a static radial load of 9112 lbf, it’s built to withstand demanding conditions. A top pick for maintenance teams valuing ease of use and long-term reliability.

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Product Parameters

  • Part Number 7211 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 Open
  • Matched Arrangement No
  • 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 24000 rpm
  • Weight 0.51 kg
  • Price（$） 118.593
Super Precision Angular Contact Ball Bearings 7211 ACD/HCP4A dimension drawing
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Features

Performance Features of 7211 ACD/HCP4A Bearing

7211 ACD/HCP4A Bearing features a 25° contact angle, optimised for angular contact loads.
Its chrome steel rings and ceramic balls ensure smooth operation with minimal friction.

The phenolic cage enhances durability while maintaining precise ball alignment.
With a dynamic radial load capacity of 11858 lbf, it handles demanding applications effortlessly.

Designed for high-speed use, 7211 ACD/HCP4A Bearing supports speeds up to 24,000 rpm.
Its P4 tolerance class ensures consistent performance in precision machinery.

Application

Key Fields for 7211 ACD/HCP4A Bearing
7211 ACD/HCP4A Bearing works well in high-speed machine tools, where its angular contact design handles both radial and axial loads smoothly. The ceramic balls reduce friction, making it ideal for precision applications.

In automotive systems, 7211 ACD/HCP4A Bearing supports components like electric motors and gearboxes, ensuring reliable performance under demanding conditions. Its P4 tolerance class guarantees accuracy in critical setups.

For medical imaging devices, 7211 ACD/HCP4A Bearing’s phenolic cage and chrome steel rings provide stability and low noise. This makes it suitable for sensitive equipment where quiet operation is essential.

In robotics, 7211 ACD/HCP4A Bearing offers smooth motion control in articulated arms and joints. The preload option enhances rigidity, improving repeatability in automated tasks.

Consumer electronics like high-end printers benefit from 7211 ACD/HCP4A Bearing’s balanced performance. Its compact size and high-speed capability ensure efficient operation in space-constrained designs.

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