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Super Precision Angular Contact Ball Bearings 71805 CD/P4DBB

Super Precision Angular Contact Ball Bearings 71805 CD/P4DBB

The 71805 CD/P4DBB is a super precision angular contact ball bearing with a 25mm bore and 37mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 1521 lbf and spins smoothly at speeds up to 103,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

The open design allows for easy lubrication, while the P4 tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed robotics where accuracy is crucial.

Weighing just 0.042kg, this lightweight yet robust bearing operates reliably in temperatures from -30°C to 110°C. Its interchangeable design with SKF makes it a practical choice for replacements.

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Product Parameters

  • Part Number 71805 CD/P4DBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 20
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 1521 lbf
  • Static Radial Load 1440 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.042 kg
Super Precision Angular Contact Ball Bearings 71805 CD/P4DBB dimension drawing
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Features

Why Choose 71805 CD/P4DBB Bearing for Precision Tasks?

71805 CD/P4DBB Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel construction ensures durability and smooth operation even at high speeds up to 103,000 rpm.

The matched arrangement of two bearings enhances stability and load distribution, perfect for demanding applications.
With a P4 tolerance class, 71805 CD/P4DBB Bearing delivers consistent performance in precision machinery.

Light preload and phenolic cage reduce friction, extending the bearing’s service life.
Its open design allows for easy lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 71805 CD/P4DBB Bearing
71805 CD/P4DBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The matched arrangement of two bearings enhances stability, making it suitable for spindle applications.

In robotics, 71805 CD/P4DBB Bearing supports smooth motion in articulated arms, thanks to its light preload and phenolic cage. Its high-speed capability also makes it a reliable choice for automated assembly lines.

For medical imaging devices, 71805 CD/P4DBB Bearing’s chrome steel construction provides durability and consistent performance. The P4 tolerance class ensures minimal vibration, which is critical for precise diagnostic equipment.

Automotive vs Aerospace: Applications of 71805 CD/P4DBB Bearing
In automotive systems, 71805 CD/P4DBB Bearing is often found in gearboxes, where its high-speed performance and light preload improve efficiency. The metric sizing ensures compatibility with a range of vehicle designs.

For aerospace applications, 71805 CD/P4DBB Bearing’s precision and reliability make it ideal for flight control systems. Its temperature range and lubrication options ensure performance under varying conditions.

What Makes 71805 CD/P4DBB Bearing a Preferred Choice?
71805 CD/P4DBB Bearing’s phenolic cage reduces friction, making it a good fit for high-speed applications like dental drills. The open design allows for easy lubrication, extending its service life.

In 3D printers, 71805 CD/P4DBB Bearing ensures smooth linear motion, contributing to print accuracy. Its lightweight design also helps reduce the overall load on moving parts.

Q&A

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