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Super Precision Angular Contact Ball Bearings 71906 ACD/P4AQBCC
Super Precision Angular Contact Ball Bearings 71906 ACD/P4AQBCC

Super Precision Angular Contact Ball Bearings 71906 ACD/P4AQBCC

The 71906 ACD/P4AQBCC 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 4005 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 open design and phenolic cage ensure reliable performance with easy maintenance.

This bearing comes in a matched set of four, ideal for applications requiring tight tolerances like machine tool spindles or high-speed robotics. It works well in temperatures from -30°C to 110°C.

Weighing just 0.19kg, it’s lightweight yet robust, meeting P4A tolerance standards for precision engineering needs.

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Product Parameters

  • Part Number 71906 ACD/P4AQBCC
  • 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 Moderate / Class C
  • 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

Features

Performance Features of 71906 ACD/P4AQBCC Bearing

71906 ACD/P4AQBCC Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and consistent performance under dynamic radial loads up to 4005 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 83,000 rpm, it delivers reliable high-speed performance.

71906 ACD/P4AQBCC Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its moderate preload (Class C) ensures stability, making it suitable for matched arrangements.

The open design allows for easy lubrication, extending service life.
Precision tolerances (P4A) guarantee consistent performance in demanding conditions.

Application

Industrial Uses of 71906 ACD/P4AQBCC Bearing
71906 ACD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance make it suitable for applications demanding tight control.

In automotive applications, 71906 ACD/P4AQBCC Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads efficiently. Its chrome steel construction provides durability under varying driving conditions.

For medical imaging devices, 71906 ACD/P4AQBCC Bearing offers reliable performance due to its phenolic cage and precise tolerances. The open design allows for easy lubrication, extending service life in critical equipment.

Automation systems benefit from 71906 ACD/P4AQBCC Bearing’s matched arrangement, ensuring consistent performance in robotic arms. The high-speed capability makes it ideal for repetitive, precision tasks.

In consumer electronics, 71906 ACD/P4AQBCC Bearing can be found in high-end printers, where smooth operation is essential. The metric sizing ensures compatibility with various international models.

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