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Super Precision Angular Contact Ball Bearings 71906 ACD/P4AQBCD

Super Precision Angular Contact Ball Bearings 71906 ACD/P4AQBCD

The 71906 ACD/P4AQBCD is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 4005 lbf and operates smoothly at speeds up to 83,000 RPM.

With a 25° contact angle and heavy preload, it offers excellent stability for high-precision applications. The open design allows for easy lubrication, while the phenolic cage ensures durability and quiet operation.

This bearing is part of a matched set of four, ideal for applications requiring tight tolerances and consistent performance. Suitable for machine tools or spindle assemblies where precision is key.

Weighing just 0.19kg, it’s lightweight yet robust, and works in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71906 ACD/P4AQBCD
  • 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 36 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 4005 lbf
  • Static Radial Load 3892 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.19 kg
Super Precision Angular Contact Ball Bearings 71906 ACD/P4AQBCD dimension drawing
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Features

Why Choose 71906 ACD/P4AQBCD Bearing for Precision Tasks?

71906 ACD/P4AQBCD Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 83,000 rpm, it excels in high-speed operations while maintaining stability.

Designed for heavy preload, 71906 ACD/P4AQBCD Bearing offers consistent performance under rigorous conditions.
Its P4A tolerance class guarantees exceptional accuracy for precision engineering tasks.

Application

Key Fields for 71906 ACD/P4AQBCD Bearing
71906 ACD/P4AQBCD Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The heavy preload and P4A tolerance make it ideal for applications demanding minimal deflection.

In automotive performance systems, 71906 ACD/P4AQBCD Bearing supports gearbox components, handling both radial and axial loads efficiently. Its phenolic cage reduces friction, enhancing longevity in high-speed scenarios.

For robotics, 71906 ACD/P4AQBCD Bearing’s matched set arrangement provides stability in articulated arms. The chrome steel construction offers reliable performance in repetitive motion tasks.

Medical imaging devices benefit from 71906 ACD/P4AQBCD Bearing’s smooth operation, crucial for precise positioning. The open design allows for easy lubrication maintenance in sterile environments.

In aerospace applications, 71906 ACD/P4AQBCD Bearing’s temperature tolerance ensures consistent performance under varying conditions. Its metric sizing aligns with international engineering standards.

Q&A

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