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Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADGB

The 7211 ACD/P4ADGB 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 19170 lbf and operates smoothly at speeds up to 34000 RPM.

With a 25° contact angle and universal matching design, it offers excellent performance in paired arrangements like back-to-back or face-to-face. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees precise and reliable operation.

Ideal for applications requiring high precision, such as machine tools or spindle assemblies. Weighing 1.23kg, it’s a robust choice for demanding industrial environments. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 7211 ACD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 42 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 15
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 19170 lbf
  • Static Radial Load 18338 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.23 kg
  • Price（$） 26.973
Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADGB dimension drawing
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Features

Performance Features of 7211 ACD/P4ADGB Bearing

7211 ACD/P4ADGB Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.

Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a maximum speed of 34,000 rpm, it excels in high-speed applications.

Application

Industrial Uses of 7211 ACD/P4ADGB Bearing
7211 ACD/P4ADGB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements in back-to-back or face-to-face configurations.

In automotive applications, 7211 ACD/P4ADGB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth operation under demanding conditions.

For robotics and automation, 7211 ACD/P4ADGB Bearing provides reliable performance in robotic arms and CNC machinery. The P4A tolerance class ensures minimal vibration, which is crucial for precision movements.

Where Is 7211 ACD/P4ADGB Bearing Used?
You’ll often find 7211 ACD/P4ADGB Bearing in medical imaging devices, where its high-speed capabilities and low noise are essential. The chrome steel construction also offers long-lasting durability in sterile environments.

In consumer electronics, 7211 ACD/P4ADGB Bearing is ideal for high-performance printers and scanners. Its balanced design helps maintain consistent speed and reduces wear over time.

Built for Heavy-Duty Use: 7211 ACD/P4ADGB Bearing
7211 ACD/P4ADGB Bearing excels in industrial pumps and compressors, handling both radial and axial loads with ease. The open seal type allows for efficient lubrication, extending service life.

For aerospace applications, 7211 ACD/P4ADGB Bearing is trusted in flight control systems due to its reliability. The temperature range of -30°C to 110°C ensures performance in various conditions.

Automotive vs Aerospace: Applications of 7211 ACD/P4ADGB Bearing
In automotive settings, 7211 ACD/P4ADGB Bearing is favoured for its high-speed tolerance in wheel hubs. The aerospace industry values it for precision in navigation systems and actuators.

For general machinery, 7211 ACD/P4ADGB Bearing is a go-to for its versatility and ease of integration. The matched set option simplifies installation in complex assemblies.

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