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Super Precision Angular Contact Ball Bearings 71910 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71910 CD/P4ADBB

The 71910 CD/P4ADBB is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes as a matched pair for balanced performance.

This bearing handles radial loads up to 4972 lbf and reaches speeds of 46,000 RPM, thanks to its phenolic cage and smooth lubrication. Its P4A tolerance class ensures exceptional accuracy for demanding applications.

The open design allows for easy maintenance, while the light preload (Class B) reduces friction. Ideal for high-speed spindles or precision machinery where tight tolerances are crucial.

Weighing 0.26kg, this pair is lightweight yet robust. It operates reliably in temperatures from -30°C to 110°C and is interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71910 CD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 25
  • Contact Angle 15°
  • Tolerance Class P4A
  • 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 4972 lbf
  • Static Radial Load 4680 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.26 kg
Super Precision Angular Contact Ball Bearings 71910 CD/P4ADBB dimension drawing
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Features

How Does 71910 CD/P4ADBB Bearing Achieve Super Precision?

71910 CD/P4ADBB Bearing features a 15° contact angle, optimised for high-speed angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 4972 lbf, it handles demanding tasks with reliability.
The matched arrangement of two bearings provides stability, making it ideal for precision machinery.

Designed for speeds up to 46,000 rpm, it maintains performance without compromising accuracy.
Its P4A tolerance class guarantees consistent precision in every rotation.

Application

Key Fields for 71910 CD/P4ADBB Bearing
71910 CD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability, making it suitable for demanding industrial environments.

In robotics, 71910 CD/P4ADBB Bearing supports articulated arms, offering smooth movement and reliable performance. Its light preload and phenolic cage contribute to reduced friction and longer service life.

For aerospace applications, 71910 CD/P4ADBB Bearing handles radial and axial loads in components like landing gear systems. The P4A tolerance class ensures consistent performance under extreme conditions.

Medical imaging devices benefit from 71910 CD/P4ADBB Bearing’s precision and low noise operation. The chrome steel construction and lubricated design make it ideal for sensitive equipment requiring quiet and reliable motion.

Automotive systems, such as electric power steering, rely on 71910 CD/P4ADBB Bearing for its durability and high-speed capabilities. The metric sizing and open seal type allow for easy integration into various vehicle models.

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