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Super Precision Angular Contact Ball Bearings 7211 CDGB/P4A

Super Precision Angular Contact Ball Bearings 7211 CDGB/P4A

The 7211 CDGB/P4A is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from durable 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 light preload conditions. The open design allows for easy lubrication, making maintenance straightforward.

This bearing is ideal for high-precision applications like machine tool spindles or industrial pumps. Its P4A tolerance class guarantees accuracy, while the universal matching feature supports various configurations (back-to-back, face-to-face, or tandem).

Weighing 0.61kg, it’s a robust yet manageable choice for demanding environments. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number 7211 CDGB/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 Light / Class B
  • 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 CDGB/P4A dimension drawing
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Features

How Is 7211 CDGB/P4A Bearing Engineered for Reliability?

7211 CDGB/P4A Bearing features a 15° contact angle, optimised for handling combined radial and axial loads with precision.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 12442 lbf, it performs reliably in demanding applications.
Its P4A tolerance class guarantees high precision, making it suitable for critical machinery.

The open design allows for easy lubrication, maintaining performance across a temperature range of -30°C to 110°C.
Weighing just 0.61 kg, it balances strength and efficiency without compromising on quality.

Application

Super Precision Angular Contact Ball Bearings 7211 CDGB/P4A is commonly used in high-speed machine tools, where its 15° contact angle ensures smooth rotation under radial and axial loads. The open design and light preload make it suitable for precision grinding applications.

In automotive systems, 7211 CDGB/P4A supports components like electric motors and transmissions, where its phenolic cage reduces friction and heat buildup. The P4A tolerance class guarantees consistent performance in demanding conditions.

For robotics, 7211 CDGB/P4A excels in articulated arms and joints, thanks to its high dynamic load capacity. The chrome steel construction provides durability in repetitive motion scenarios.

Medical imaging devices benefit from 7211 CDGB/P4A’s low vibration and noise levels, ensuring accurate scans. The lubricated design minimises maintenance requirements in sterile environments.

In aerospace applications, 7211 CDGB/P4A handles both radial and thrust loads in control systems. Its universal matching capability allows flexible configurations for compact designs.

Q&A

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