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Super Precision Angular Contact Ball Bearings 71822 CD/P4DGA

Super Precision Angular Contact Ball Bearings 71822 CD/P4DGA

The 71822 CD/P4DGA is a super precision angular contact ball bearing with a 110mm bore and 140mm outer diameter, crafted from high-grade chrome steel. Its 15° contact angle and extra-light preload ensure smooth operation under radial loads up to 11700 lbf.

The open design and phenolic cage allow for easy lubrication, while the P4 tolerance class guarantees consistent performance. It can handle speeds up to 16000 RPM and temperatures from -30°C to 110°C.

This bearing comes in a matched set of two, suitable for universal mounting configurations like back-to-back or face-to-face. Ideal for high-precision applications such as machine tool spindles or high-speed robotics.

Weighing 1.01kg, it offers a balance of durability and precision, meeting the needs of demanding industrial environments.

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Product Parameters

  • Part Number 71822 CD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 110 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 8.731 mm
  • Ball Qty 32
  • Contact Angle 15°
  • Tolerance Class P4
  • 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 11700 lbf
  • Static Radial Load 18338 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.01 kg
Super Precision Angular Contact Ball Bearings 71822 CD/P4DGA dimension drawing
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Features

Performance Features of 71822 CD/P4DGA Bearing

71822 CD/P4DGA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to both dynamic and static radial loads.

The phenolic cage ensures smooth operation at high speeds, up to 16,000 rpm.
With universal matching capability, it offers flexibility in back-to-back, face-to-face, or tandem arrangements.

Precision-engineered to P4 tolerance class, 71822 CD/P4DGA Bearing delivers reliable performance in demanding conditions.
Its extra light preload reduces friction, enhancing efficiency and longevity.

Application

Industrial Uses of 71822 CD/P4DGA Bearing
This 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 in complex setups.

In automotive applications, 71822 CD/P4DGA Bearing supports high-speed components like turbochargers and transmission systems. Its phenolic cage provides stability under varying temperatures and loads.

For automation systems, 71822 CD/P4DGA Bearing is ideal for robotic arms and CNC machines, offering smooth motion control. The P4 tolerance class guarantees consistent performance in demanding environments.

Medical imaging devices benefit from 71822 CD/P4DGA Bearing’s low vibration and high rigidity. Its chrome steel construction ensures long-term reliability in critical healthcare equipment.

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