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Super Precision Angular Contact Ball Bearings 71906 ACD/P4AQBCB

Super Precision Angular Contact Ball Bearings 71906 ACD/P4AQBCB

The 71906 ACD/P4AQBCB is a super precision angular contact ball bearing, measuring 30mm by 47mm by 36mm, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched set of four bearings for balanced performance.

Designed for angular loads, it handles radial loads up to 4005 lbf and spins smoothly at speeds up to 83,000 RPM. Its phenolic cage ensures quiet operation and long service life.

The open design allows easy lubrication, while the P4A tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed rotary systems.

With a light preload (Class B), it offers stable performance in temperatures from -30°C to 110°C. Weighing just 0.19kg, it’s a reliable choice for precision engineering needs.

This model is interchangeable with SKF bearings, making replacements straightforward. Its matched set arrangement ensures consistent performance across all four units.

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Product Parameters

  • Part Number 71906 ACD/P4AQBCB
  • 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 Light / Class B
  • 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/P4AQBCB dimension drawing
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Features

Why Choose 71906 ACD/P4AQBCB Bearing for Precision Tasks?

71906 ACD/P4AQBCB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.

Its chrome steel construction ensures durability and consistent performance under dynamic radial loads up to 4005 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a maximum speed of 83,000 rpm, it excels in high-speed scenarios while maintaining precision.

Application

Key Fields for 71906 ACD/P4AQBCB Bearing
71906 ACD/P4AQBCB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of four bearings provides stability in demanding industrial environments.

In automotive applications, 71906 ACD/P4AQBCB Bearing supports components like wheel hubs and transmissions, offering reliable performance under radial and axial loads. Its phenolic cage material reduces friction, enhancing efficiency in high-speed scenarios.

For medical imaging devices, 71906 ACD/P4AQBCB Bearing’s P4A tolerance class guarantees smooth operation, crucial for maintaining precision in diagnostic equipment. The chrome steel construction ensures durability in continuous use.

Automation systems benefit from 71906 ACD/P4AQBCB Bearing’s light preload, which minimises vibration in robotic arms and CNC machinery. The open seal type allows for easy lubrication, extending service life.

In consumer electronics, 71906 ACD/P4AQBCB Bearing is found in high-end printers and scanners, where its compact size and precision enhance device performance. The metric dimensions make it compatible with various European and Asian models.

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