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Super Precision Angular Contact Ball Bearings 7211 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 7211 CD/P4ADGA

The 7211 CD/P4ADGA is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 20340 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at speeds up to 34000 RPM. The bearing comes pre-lubricated and can withstand temperatures from -30°C to 110°C, making it reliable in various conditions.

This model is part of a matched set of two bearings, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or high-speed robotics.

Weighing 1.23kg, it offers a balance of strength and precision. Compliant with P4A tolerance class, it ensures exceptional accuracy for demanding tasks.

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Product Parameters

  • Part Number 7211 CD/P4ADGA
  • 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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 20340 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.23 kg
  • Price（$） 172.116
Super Precision Angular Contact Ball Bearings 7211 CD/P4ADGA dimension drawing
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Features

Performance Features of 7211 CD/P4ADGA Bearing

7211 CD/P4ADGA Bearing is crafted with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 20340 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 34,000 rpm.

With universal matching and extra light preload, it offers versatility in back-to-back or face-to-face arrangements.

Application

Industrial Uses of 7211 CD/P4ADGA Bearing
7211 CD/P4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In automotive applications, 7211 CD/P4ADGA Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads efficiently. Its phenolic cage reduces friction, enhancing performance in high-speed scenarios.

For robotics, 7211 CD/P4ADGA Bearing provides reliable motion control in robotic arms and automated systems. The P4A tolerance class ensures consistent precision, even under demanding operational conditions.

Medical imaging devices benefit from 7211 CD/P4ADGA Bearing’s smooth operation and low noise levels. The chrome steel construction offers durability, while the open design simplifies maintenance in sterile environments.

In aerospace, 7211 CD/P4ADGA Bearing is trusted for its ability to handle high speeds and loads in aircraft components. The extra light preload ensures minimal energy loss, making it ideal for critical flight systems.

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