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Super Precision Angular Contact Ball Bearings 7211 CDGC/P4A

Super Precision Angular Contact Ball Bearings 7211 CDGC/P4A

The 7211 CDGC/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.

With a 15° contact angle and moderate preload, it offers excellent stability for angular contact applications. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing comes in a matched set of four, suitable for universal mounting configurations like back-to-back or face-to-face. Ideal for precision machinery, spindles, or high-performance equipment requiring tight tolerances.

Weighing 0.61kg, it’s designed for temperatures ranging from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 7211 CDGC/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 Available
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • 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
Super Precision Angular Contact Ball Bearings 7211 CDGC/P4A dimension drawing
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Features

How Is 7211 CDGC/P4A Bearing Engineered for Reliability?

7211 CDGC/P4A Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 12442 lbf, it performs reliably in high-stress applications.
The P4A tolerance class guarantees precision, making it suitable for demanding tasks.

7211 CDGC/P4A Bearing operates smoothly at speeds up to 34,000 rpm, balancing speed and stability.
Its matched arrangement allows for versatile mounting options, including back-to-back and face-to-face configurations.

The moderate preload (Class C) enhances rigidity without compromising performance.
This bearing is ideal for applications requiring both precision and durability.

Application

Super Precision Angular Contact Ball Bearings 7211 CDGC/P4A are commonly used in high-speed machine tool spindles, where their 15° contact angle ensures accurate radial and axial load distribution. The P4A tolerance class makes them suitable for applications demanding tight rotational precision.

In automotive performance systems, 7211 CDGC/P4A supports components like turbochargers and gearboxes, handling both speed and angular loads efficiently. The phenolic cage contributes to smoother operation at elevated RPMs.

For robotics and automation, 7211 CDGC/P4A’s matched arrangement allows for tandem or back-to-back mounting in robotic arms. Its chrome steel construction provides durability in repetitive motion scenarios.

Medical imaging devices benefit from 7211 CDGC/P4A’s low vibration characteristics, crucial for maintaining clarity in diagnostic equipment. The lubricated design ensures quiet operation in sensitive environments.

In aerospace applications, 7211 CDGC/P4A’s temperature stability makes it reliable for auxiliary systems. The open seal design accommodates specialised lubrication requirements in aircraft components.

Q&A

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