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Super Precision Angular Contact Ball Bearings 71906 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71906 CD/P4ADBB

The 71906 CD/P4ADBB is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2565 lbf and operates smoothly at speeds up to 100,500 RPM.

With a 15° contact angle and light preload, it offers excellent accuracy for high-performance applications. The phenolic cage ensures quiet operation and long service life.

This matched set of two bearings ( DB arrangement) is ideal for precision machinery like spindles or CNC tools. It works reliably in temperatures from -30°C to 110°C.

Weighing just 0.096kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71906 CD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • 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 2565 lbf
  • Static Radial Load 2059 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.096 kg
  • Price（$） 135.963
Super Precision Angular Contact Ball Bearings 71906 CD/P4ADBB dimension drawing
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Features

Performance Features of 71906 CD/P4ADBB Bearing

71906 CD/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 2565 lbf, it handles demanding conditions with reliability.

The matched arrangement of two bearings provides stability, making it suitable for high-speed applications up to 100,500 rpm.

Application

Common Applications of 71906 CD/P4ADBB Bearing
71906 CD/P4ADBB Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures smooth operation. The matched arrangement of two bearings provides excellent stability for spindle applications.

In robotics, 71906 CD/P4ADBB Bearing supports articulated arms, offering reliable performance under dynamic loads. Its phenolic cage reduces friction, making it ideal for repetitive movements.

For aerospace components, 71906 CD/P4ADBB Bearing’s light preload and P4A tolerance class meet strict accuracy requirements. The chrome steel construction also handles high rotational speeds effortlessly.

Automotive testing equipment often relies on 71906 CD/P4ADBB Bearing for its consistent performance in angular load scenarios. The open design allows for easy lubrication, extending service life.

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