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Super Precision Angular Contact Ball Bearings 71906 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71906 ACD/P4ATBTC

The 71906 ACD/P4ATBTC is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 3285 lbf and operates smoothly at speeds up to 83,000 RPM.

With a 25° contact angle and moderate preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing comes in a matched set of three (TBT arrangement), ideal for spindle or rotary table use. It performs reliably in temperatures from -30°C to 110°C.

Weighing just 0.14kg, it’s a lightweight solution for precision machinery. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71906 ACD/P4ATBTC
  • 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 27 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3285 lbf
  • Static Radial Load 2902 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.14 kg
Super Precision Angular Contact Ball Bearings 71906 ACD/P4ATBTC dimension drawing
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Features

Performance Features of 71906 ACD/P4ATBTC Bearing

71906 ACD/P4ATBTC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 3285 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 83,000 rpm.
This bearing is part of a matched set of three, providing balanced performance in demanding setups.

With a P4A tolerance class, 71906 ACD/P4ATBTC Bearing delivers precision and reliability.
Its open design allows for easy lubrication, maintaining efficiency over time.

The moderate preload (Class C) ensures stable operation, reducing vibration and noise.
This makes it suitable for applications requiring high-speed and precision performance.

Application

Essential Roles of 71906 ACD/P4ATBTC Bearing
71906 ACD/P4ATBTC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. The matched arrangement of three bearings provides stability in demanding applications.

In robotics, 71906 ACD/P4ATBTC Bearing supports smooth movement in articulated arms, thanks to its moderate preload and phenolic cage. Its high-speed capability makes it suitable for automated production lines.

For medical imaging devices, 71906 ACD/P4ATBTC Bearing’s chrome steel construction offers reliable performance under consistent use. The P4A tolerance class ensures minimal vibration, crucial for sensitive equipment.

Automotive applications like electric motor shafts benefit from 71906 ACD/P4ATBTC Bearing’s durability and precision. Its open design allows for efficient lubrication, extending service life in high-speed scenarios.

Q&A

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