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Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADBC

The 7211 ACD/P4ADBC is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from high-quality chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 19170 lbf.

Designed for moderate preload and paired in a back-to-back arrangement, it ensures stable performance at high speeds up to 34000 RPM. The open seal type allows for easy lubrication, while the phenolic cage enhances durability.

With a 25° contact angle, this bearing is ideal for applications requiring precise rotation, such as machine tool spindles or high-speed motors. Its P4A tolerance class guarantees exceptional accuracy.

Weighing 1.23kg, it’s robust yet manageable for its size. Suitable for temperatures from -30°C to 110°C, it’s a reliable choice for demanding industrial environments. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7211 ACD/P4ADBC
  • 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 <> DB
  • 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/P4ADBC dimension drawing
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Features

Performance Features of 7211 ACD/P4ADBC Bearing

7211 ACD/P4ADBC Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.

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

With a dynamic radial load capacity of 19170 lbf, it performs reliably in high-speed applications.

Its matched arrangement of two bearings provides stability and precision under moderate preload conditions.

Application

Industrial Uses of 7211 ACD/P4ADBC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In automotive applications, 7211 ACD/P4ADBC Bearing supports gearbox systems, providing smooth power transmission under radial and axial loads. Its phenolic cage offers quiet operation, ideal for passenger vehicles.

For robotics, 7211 ACD/P4ADBC Bearing excels in articulated arms, thanks to its matched arrangement for balanced load distribution. The P4A tolerance class ensures consistent performance in repetitive motions.

Medical imaging devices benefit from 7211 ACD/P4ADBC Bearing’s low vibration and high-speed capabilities. The chrome steel construction ensures long service life in critical diagnostic equipment.

In industrial pumps, 7211 ACD/P4ADBC Bearing handles both radial and thrust loads efficiently. Its lubricated design reduces maintenance needs in continuous operation environments.

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