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Super Precision Angular Contact Ball Bearings 7211 CDGA/P4A

Super Precision Angular Contact Ball Bearings 7211 CDGA/P4A

The 7211 CDGA/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 34000 RPM.

Its 15° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing works efficiently in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a universal matching set of four, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives.

Weighing 0.61kg, it offers a balance of durability and precision, meeting the P4A tolerance class for exceptional accuracy. Compliant with industry standards for reliable use.

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Product Parameters

  • Part Number 7211 CDGA/P4A
  • 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 21 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • 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°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.61 kg
  • Price（$） 13.491
Super Precision Angular Contact Ball Bearings 7211 CDGA/P4A dimension drawing
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Features

Performance Features of 7211 CDGA/P4A Bearing

7211 CDGA/P4A Bearing is designed for super precision applications with a 15° contact angle, ensuring accurate angular contact performance.
The chrome steel rings and balls provide strong resistance to radial loads, supporting up to 12442 lbf dynamically.

With a maximum speed of 34,000 rpm, it delivers smooth and efficient operation in high-speed scenarios.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

Its P4A tolerance class guarantees tight dimensional control for precision machinery.
The extra light preload ensures minimal friction while maintaining stability under load.

7211 CDGA/P4A Bearing operates reliably in temperatures from -30°C to 110°C.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Application

Industrial Uses of 7211 CDGA/P4A Bearing
The 7211 CDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance under radial and axial loads. Its open seal type allows for efficient lubrication, making it suitable for continuous operation.

In automotive applications, 7211 CDGA/P4A Bearing supports components like electric motors and gearboxes, where its extra light preload enhances smooth rotation. The phenolic cage material reduces friction, contributing to longer service life.

For automation systems, 7211 CDGA/P4A Bearing is ideal for robotic arms and CNC machines, thanks to its high-speed capability and consistent performance. The chrome steel construction provides durability in demanding industrial environments.

Medical imaging devices benefit from 7211 CDGA/P4A Bearing’s precision and reliability, ensuring stable operation in critical applications. Its P4A tolerance class guarantees tight dimensional control for sensitive equipment.

In consumer electronics, 7211 CDGA/P4A Bearing can be found in high-performance printers and scanners, where its low friction and smooth operation are essential. The metric sizing ensures compatibility with a wide range of devices.

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