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Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADFA

Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADFA

The 7211 ACD/P4ADFA 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 arrangement (DF) provide excellent stability for angular loads, while the phenolic cage ensures quiet, efficient performance. The extra light preload (Class A) enhances precision in demanding applications.

This bearing is ideal for high-speed machinery like spindles or CNC equipment, where accuracy and reliability are crucial. It works within a temperature range of -30°C to 110°C.

Weighing 1.23kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings, making it a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 7211 ACD/P4ADFA
  • 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 Extra light / Class A
  • 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/P4ADFA dimension drawing
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Features

Performance Features of 7211 ACD/P4ADFA Bearing

7211 ACD/P4ADFA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The bearing’s dynamic radial load capacity of 19,170 lbf makes it suitable for high-performance machinery.
With a maximum speed of 34,000 rpm, it maintains precision even at high speeds.

7211 ACD/P4ADFA Bearing comes preloaded for extra light applications, ensuring smooth operation.
Its matched arrangement of two bearings enhances stability and load handling.

The P4A tolerance class guarantees high precision, ideal for demanding industrial uses.
Operating between -30°C to 110°C, it performs reliably in varied temperature conditions.

Application

Industrial Uses of 7211 ACD/P4ADFA Bearing
In machine tools, 7211 ACD/P4ADFA Bearing excels with its high-speed capabilities and precise angular contact design. The matched DF arrangement ensures stability during heavy cutting operations.

Why Is 7211 ACD/P4ADFA Bearing Essential in Robotics?
For robotic arms, 7211 ACD/P4ADFA Bearing offers smooth motion control thanks to its phenolic cage and extra-light preload. Its P4A tolerance class guarantees consistent performance in repetitive tasks.

Built for Heavy-Duty Use: 7211 ACD/P4ADFA Bearing
In conveyor systems, 7211 ACD/P4ADFA Bearing handles radial and axial loads effortlessly. The chrome steel construction provides long-lasting durability in demanding environments.

Automotive vs Aerospace: Applications of 7211 ACD/P4ADFA Bearing
In automotive gearboxes, 7211 ACD/P4ADFA Bearing supports high-speed shafts with minimal vibration. For aerospace applications, its temperature stability makes it suitable for auxiliary power units.

Perfect Fit for Automation: 7211 ACD/P4ADFA Bearing
In automated packaging lines, 7211 ACD/P4ADFA Bearing ensures precise positioning with its 25° contact angle. The open design allows for easy lubrication, reducing downtime.

Q&A

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