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Super Precision Angular Contact Ball Bearings 7211 CD/P4A

Super Precision Angular Contact Ball Bearings 7211 CD/P4A

The 7211 CD/P4A 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 12442 lbf and operates smoothly at speeds up to 22000 RPM.

Its 15° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing is rated to P4 tolerance class, offering excellent precision for demanding applications.

This model works well in temperatures from -30°C to 110°C and is interchangeable with SKF bearings. Ideal for high-speed machinery like spindles or CNC equipment where precision and reliability are key.

Weighing 0.61kg, it’s a robust yet manageable size for industrial use. The preload option adds versatility for specific setup requirements.

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Product Parameters

  • Part Number 7211 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 21 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 12442 lbf
  • Static Radial Load 9675 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.61 kg
  • Price（$） 13.491
Super Precision Angular Contact Ball Bearings 7211 CD/P4A dimension drawing
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Features

Why Choose 7211 CD/P4A Bearing for Precision Tasks?

7211 CD/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage minimises friction and heat build-up.

With a dynamic radial load capacity of 12442 lbf, it handles demanding tasks with ease.
The P4 tolerance class (ABEC-7) guarantees consistent performance in precision machinery.

Operating at speeds up to 22,000 rpm, it balances speed and reliability.
Its open design allows for easy lubrication, extending service life in various conditions.

Application

Industrial Uses of 7211 CD/P4A Bearing
7211 CD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The phenolic cage reduces friction, making it suitable for high-speed operations.

Where Is 7211 CD/P4A Bearing Used?
In automotive applications, 7211 CD/P4A Bearing supports components like wheel hubs and transmissions, ensuring smooth performance under varying loads. Its P4 tolerance class guarantees precision in demanding conditions.

Built for Heavy-Duty Use: 7211 CD/P4A Bearing
For automation systems, 7211 CD/P4A Bearing is ideal for robotic arms and CNC machines, thanks to its durable chrome steel construction. The 15° contact angle provides excellent stability during rapid movements.

Automotive vs Aerospace: Applications of 7211 CD/P4A Bearing
In aerospace, 7211 CD/P4A Bearing is trusted for its reliability in avionics and landing gear systems. Meanwhile, automotive manufacturers value its consistent performance in high-stress environments like drivetrains.

Perfect Fit for Automation: 7211 CD/P4A Bearing
7211 CD/P4A Bearing excels in 3D printers and assembly line robots, where precision and speed are critical. Its lubricated design ensures long service life even with continuous operation.

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