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Super Precision Angular Contact Ball Bearings 71906 ACD/P4ADBD
Super Precision Angular Contact Ball Bearings 71906 ACD/P4ADBD

Super Precision Angular Contact Ball Bearings 71906 ACD/P4ADBD

The 71906 ACD/P4ADBD is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and comes in a matched pair for heavy preload applications.

This bearing handles radial loads up to 2498 lbf and can spin at impressive speeds of 83000 RPM. Its phenolic cage ensures smooth operation, while the open design allows for easy lubrication.

The P4A tolerance class guarantees high precision, making it suitable for demanding applications. The matched pair arrangement (DB) provides stability under angular loads.

Ideal for precision machinery like spindles or high-speed tools where accuracy is crucial. With a temperature range of -30°C to 110°C, it performs reliably in various conditions. Weighing just 0.096kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number 71906 ACD/P4ADBD
  • 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 25°
  • 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 Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2498 lbf
  • Static Radial Load 1946 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.096 kg

Features

Performance Features of 71906 ACD/P4ADBD Bearing

71906 ACD/P4ADBD Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 2498 lbf.

Its phenolic cage ensures smooth operation at high speeds, reaching up to 83,000 rpm.
The matched arrangement of two bearings provides stability, ideal for precision tasks.

With a P4A tolerance class, 71906 ACD/P4ADBD Bearing delivers consistent performance in demanding conditions.
The open design allows easy lubrication, maintaining efficiency over time.

Application

Where Is 71906 ACD/P4ADBD Bearing Used?

71906 ACD/P4ADBD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The heavy preload and P4A tolerance class make it suitable for applications demanding tight control over radial and axial loads.

In robotics, 71906 ACD/P4ADBD Bearing provides smooth motion in articulated arms, thanks to its matched arrangement and phenolic cage. The 25° contact angle helps distribute loads evenly, reducing wear during repetitive movements.

For medical imaging devices, 71906 ACD/P4ADBD Bearing’s chrome steel construction offers reliability in high-speed rotations. Its open design allows for easy lubrication, maintaining performance in critical diagnostic equipment.

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