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Super Precision Angular Contact Ball Bearings 71806 CDGB/VQ253

Super Precision Angular Contact Ball Bearings 71806 CDGB/VQ253

The 71806 CDGB/VQ253 is a super precision angular contact ball bearing with a 30mm bore and 42mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for light preload applications, offering smooth operation.

With a dynamic radial load capacity of 994 lbf, it handles moderate loads efficiently. The open design allows for easy lubrication, and it can reach speeds up to 83,000 RPM, making it suitable for high-speed machinery.

The phenolic cage ensures durability and reduces friction, while the 23 chrome steel balls provide balanced performance. Its compact width of 7mm makes it ideal for space-constrained applications.

This bearing is interchangeable with SKF models, offering a reliable replacement option. Perfect for precision equipment like spindles or small motors, it operates well in temperatures from -30°C to 110°C. Weighing just 0.026kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number 71806 CDGB/VQ253
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class NSTD
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 994 lbf
  • Static Radial Load 844 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.026 kg
Super Precision Angular Contact Ball Bearings 71806 CDGB/VQ253 dimension drawing
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Features

Why Choose 71806 CDGB/VQ253 Bearing for Precision Tasks?

71806 CDGB/VQ253 Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and smooth operation under dynamic radial loads up to 994 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 83,000 rpm.
With a compact size of 30 mm×42 mm×7 mm, it fits seamlessly into precision machinery.

Light preload (Class B) minimises vibration, making it ideal for sensitive equipment.
Its temperature range (-30°C to 110°C) ensures reliability in varied operating conditions.

Application

Industrial Uses of 71806 CDGB/VQ253 Bearing
71806 CDGB/VQ253 Bearing is commonly used in high-speed machine tools, where its 15° contact angle ensures smooth operation under radial and axial loads. The phenolic cage material helps reduce friction, making it suitable for precision applications.

In automotive systems, 71806 CDGB/VQ253 Bearing supports components like electric motors and gearboxes, where its light preload enhances performance. The metric sizing ensures compatibility with a variety of vehicle designs.

For medical imaging devices, 71806 CDGB/VQ253 Bearing’s chrome steel construction provides reliable performance in high-precision scenarios. Its open design allows for easy lubrication, extending service life in demanding environments.

In robotics, 71806 CDGB/VQ253 Bearing is ideal for joint movements, where its low friction and high-speed capabilities are essential. The lightweight design also helps reduce overall system weight.

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