Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADFB

Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADFB

The 7211 ACD/P4ADFB 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 19170 lbf and operates smoothly at speeds up to 34000 RPM.

Its 25° contact angle and matched DF arrangement (two bearings) provide excellent stability for combined loads. The phenolic cage ensures quiet operation and long service life, even under light preload conditions.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. With P4A tolerance class, it offers high precision for demanding applications.

Ideal for machine tools, spindles, or other high-speed equipment where accuracy and reliability are crucial. Weighing 1.23kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for convenient replacement.

Get A Free Quote

Product Parameters

  • Part Number 7211 ACD/P4ADFB
  • 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 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

Features

How Is 7211 ACD/P4ADFB Bearing Engineered for Reliability?

7211 ACD/P4ADFB Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 19170 lbf, it performs reliably under demanding conditions.
The P4A tolerance class guarantees high precision, making it suitable for critical applications.

Designed for light preload, 7211 ACD/P4ADFB Bearing maintains smooth operation at speeds up to 34,000 rpm.
Its matched arrangement (DF) ensures consistent performance when used in pairs.

Application

Industrial Uses of 7211 ACD/P4ADFB Bearing
7211 ACD/P4ADFB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched DF arrangement provides stability, making it suitable for heavy cutting operations.

In automotive applications, 7211 ACD/P4ADFB Bearing supports gearbox systems, handling both radial and axial loads efficiently. Its light preload and P4A tolerance class contribute to smoother gear shifts and reduced vibration.

For robotics, 7211 ACD/P4ADFB Bearing offers reliable performance in articulated arms, thanks to its phenolic cage and chrome steel construction. The high-speed capability (up to 34,000 rpm) makes it ideal for dynamic movements.

In medical imaging devices, 7211 ACD/P4ADFB Bearing’s precision ensures quiet and consistent operation. The open design allows for easy lubrication, extending service life in critical applications.

Q&A

SEND INQUIRY