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Super Precision Angular Contact Ball Bearings 7211 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 7211 ACD/P4ATBTA

The 7211 ACD/P4ATBTA 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 25650 lbf and operates smoothly at speeds up to 34000 RPM.

With a 25° contact angle and extra light preload, it offers excellent accuracy for demanding applications. The phenolic cage ensures durability and reduces friction during high-speed rotation.

This bearing comes in a matched set of three, arranged in a TBT configuration for enhanced stability. Ideal for precision machinery like CNC spindles or high-performance gearboxes.

Weighing 1.84kg, it’s designed for temperatures from -30°C to 110°C. Its open design allows for easy lubrication, ensuring long service life.

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Product Parameters

  • Part Number 7211 ACD/P4ATBTA
  • 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 63 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 25650 lbf
  • Static Radial Load 27450 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.84 kg
  • Price（$） 31.464
Super Precision Angular Contact Ball Bearings 7211 ACD/P4ATBTA dimension drawing
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Features

Performance Features of 7211 ACD/P4ATBTA Bearing

7211 ACD/P4ATBTA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The bearing set includes three matched units in a TBT arrangement, providing extra light preload for smooth operation.
With a dynamic radial load capacity of 25650 lbf, it handles demanding conditions reliably.

7211 ACD/P4ATBTA Bearing operates at speeds up to 34,000 rpm, making it suitable for high-performance machinery.
Its P4A tolerance class ensures exceptional precision and consistency in critical applications.

The open design allows for easy lubrication, maintaining performance across a temperature range of -30°C to 110°C.
This bearing is ideal for applications requiring both high speed and accuracy.

Application

Industrial Uses of 7211 ACD/P4ATBTA Bearing
7211 ACD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability in demanding industrial environments.

In automotive applications, 7211 ACD/P4ATBTA Bearing supports high-speed components like turbochargers and gearboxes. Its extra light preload helps reduce friction, improving overall efficiency.

For automation systems, 7211 ACD/P4ATBTA Bearing is ideal for robotic arms and CNC machines, thanks to its phenolic cage and chrome steel construction. The P4A tolerance class guarantees consistent performance in precision tasks.

Medical imaging devices benefit from 7211 ACD/P4ATBTA Bearing’s reliable operation and low noise levels. The open design allows for easy lubrication, extending the bearing’s service life in critical applications.

Q&A

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