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Super Precision Angular Contact Ball Bearings 7211 CD/P4ADFC

Super Precision Angular Contact Ball Bearings 7211 CD/P4ADFC

The 7211 CD/P4ADFC is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 20340 lbf and operates smoothly at speeds up to 34000 RPM.

Its 15° contact angle and matched DF arrangement provide excellent stability under angular loads, while the phenolic cage ensures quiet performance. The bearing is preloaded for moderate stiffness, ideal for high-precision applications.

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Suitable for machine tools or spindle drives where precision and speed are crucial.

Weighing 1.23kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for consistent accuracy. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 7211 CD/P4ADFC
  • 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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings >< DF
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 20340 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.23 kg
Super Precision Angular Contact Ball Bearings 7211 CD/P4ADFC dimension drawing
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Features

Performance Features of 7211 CD/P4ADFC Bearing

7211 CD/P4ADFC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 20340 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 34,000 rpm.
Precision tolerances (P4A class) make it ideal for applications requiring exacting performance.

With a moderate preload (Class C), 7211 CD/P4ADFC Bearing maintains stability under varying loads.
Its matched arrangement (DF) of two bearings further enhances reliability in demanding setups.

The open design allows for easy lubrication, extending service life.
Operating between -30°C to 110°C, it performs consistently in diverse environments.

Application

Industrial Uses of 7211 CD/P4ADFC Bearing
In machine tools, 7211 CD/P4ADFC Bearing handles high-speed rotations with precision, thanks to its angular contact design. The moderate preload ensures stability during heavy cutting operations.

Where Is 7211 CD/P4ADFC Bearing Used?
You’ll often find 7211 CD/P4ADFC Bearing in automotive transmissions, where its 15° contact angle manages both radial and axial loads smoothly. The matched DF arrangement boosts reliability in demanding conditions.

Built for Heavy-Duty Use: 7211 CD/P4ADFC Bearing
This bearing excels in robotics, particularly in articulated arms requiring accurate movement. Its phenolic cage reduces friction, making it ideal for continuous operation.

Automotive vs Aerospace: Applications of 7211 CD/P4ADFC Bearing
In cars, 7211 CD/P4ADFC Bearing supports wheel hubs, while in aircraft, it aids in auxiliary power units. The P4A tolerance class ensures consistent performance across both fields.

Practical Applications of 7211 CD/P4ADFC Bearing
For medical imaging devices, 7211 CD/P4ADFC Bearing offers quiet and vibration-free operation. Its chrome steel construction resists wear, even in sterile environments.

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