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Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADFC

Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADFC

The 7211 ACD/P4ADFC 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.

Its 25° contact angle and matched DF arrangement provide excellent stability under combined loads. The phenolic cage ensures quiet operation and durability, even at high speeds.

This bearing comes preloaded for moderate stiffness, making it ideal for precision applications. It performs reliably in temperatures ranging from -30°C to 110°C.

Suitable for machine tools or spindle drives, this pair of bearings offers consistent performance. Weighing 1.23kg, it’s a robust choice for demanding industrial environments.

Compatible with SKF equivalents, it’s a practical option for replacements or upgrades. The open design allows for easy lubrication and maintenance.

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Product Parameters

  • Part Number 7211 ACD/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 25°
  • 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 19170 lbf
  • Static Radial Load 18338 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 ACD/P4ADFC dimension drawing
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Features

Performance Features of 7211 ACD/P4ADFC Bearing

7211 ACD/P4ADFC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 19170 lbf, it handles demanding conditions reliably.

7211 ACD/P4ADFC Bearing operates efficiently at speeds up to 34,000 rpm, balancing speed and stability.
Its moderate preload (Class C) ensures precise performance in matched DF arrangements.

The open design allows for easy lubrication, extending service life in varied temperature ranges.
Weighing 1.23 kg, it offers a robust yet manageable solution for precision machinery.

Application

Industrial Uses of 7211 ACD/P4ADFC Bearing
The 7211 ACD/P4ADFC Bearing is commonly used in high-speed machine tools, where its moderate preload and angular contact design ensure smooth operation. Its phenolic cage offers stability, making it suitable for precision grinding applications.

In automotive systems, 7211 ACD/P4ADFC Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads efficiently. The P4A tolerance class ensures consistent performance in demanding conditions.

For robotics, 7211 ACD/P4ADFC Bearing’s matched arrangement (DF) provides rigidity in articulated arms, enhancing accuracy. The chrome steel construction ensures durability even in high-cycle applications.

Where Is 7211 ACD/P4ADFC Bearing Used?
You’ll find 7211 ACD/P4ADFC Bearing in aerospace applications, such as helicopter rotor systems, where its high-speed capability is crucial. The open design allows for easy lubrication, extending service life.

In medical imaging devices, 7211 ACD/P4ADFC Bearing’s precision reduces vibration, ensuring clear scans. The 25° contact angle helps manage combined loads effectively.

Built for Heavy-Duty Use: 7211 ACD/P4ADFC Bearing
The 7211 ACD/P4ADFC Bearing excels in industrial pumps, handling both radial and thrust loads with ease. Its chrome steel rings and balls provide reliable performance in harsh environments.

For conveyor systems, 7211 ACD/P4ADFC Bearing’s moderate preload reduces wear, ensuring long-term reliability. The metric sizing makes it compatible with global machinery standards.

Automotive vs Aerospace: Applications of 7211 ACD/P4ADFC Bearing
In automotive gearboxes, 7211 ACD/P4ADFC Bearing manages high-speed rotations smoothly. Its phenolic cage dampens vibrations, improving gear shift quality.

For aerospace actuators, 7211 ACD/P4ADFC Bearing’s P4A tolerance ensures precision under extreme conditions. The matched DF arrangement enhances load distribution.

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