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Super Precision Angular Contact Ball Bearings 71806 ACD/P4DBC

Super Precision Angular Contact Ball Bearings 71806 ACD/P4DBC

The 71806 ACD/P4DBC is a super precision angular contact ball bearing with a 30mm bore and 42mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 1521 lbf and spins smoothly at speeds up to 100,500 RPM.

Its 25° contact angle and matched pair design (DB arrangement) provide excellent stability under combined loads. The phenolic cage ensures quiet operation and long service life.

This bearing comes preloaded for moderate stiffness, making it ideal for high-precision applications. It performs reliably in temperatures from -30°C to 110°C.

Weighing just 0.052kg, it’s perfect for compact machinery like CNC spindles or dental equipment where precision and speed matter. The open design allows easy relubrication when needed.

Compatible with SKF bearings, it offers a cost-effective alternative for maintenance or upgrades. The P4 tolerance class ensures exceptional running accuracy for demanding applications.

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Product Parameters

  • Part Number 71806 ACD/P4DBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 1521 lbf
  • Static Radial Load 1598 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.052 kg
Super Precision Angular Contact Ball Bearings 71806 ACD/P4DBC dimension drawing
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Features

Performance Features of 71806 ACD/P4DBC Bearing

71806 ACD/P4DBC Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 1521 lbf, it handles demanding conditions reliably.
Its matched arrangement of two bearings provides stability, making it suitable for angular contact loads.

The P4 tolerance class ensures high precision, ideal for applications requiring tight tolerances.
Operating at speeds up to 100,500 rpm, it balances performance and longevity.

The open design allows for easy lubrication, maintaining efficiency over time.
Its compact size (30 mm×42 mm×14 mm) makes it versatile for various industrial uses.

Application

Industrial Uses of 71806 ACD/P4DBC Bearing
71806 ACD/P4DBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4 tolerance class make it suitable for applications demanding tight tolerances.

In automotive applications, 71806 ACD/P4DBC Bearing supports components like electric motors and gearboxes, offering reliable performance under radial and axial loads. Its phenolic cage provides stability at high speeds, making it a dependable choice for vehicle systems.

For automation equipment, 71806 ACD/P4DBC Bearing excels in robotic arms and CNC machines, where smooth motion control is essential. The matched bearing arrangement enhances load distribution, ensuring consistent operation in dynamic environments.

Medical imaging devices benefit from 71806 ACD/P4DBC Bearing’s precision and low friction, crucial for maintaining accuracy in diagnostic equipment. The chrome steel construction also ensures durability in sterile environments.

In consumer electronics, 71806 ACD/P4DBC Bearing is found in high-speed printers and scanners, where quiet operation and longevity are key. Its lubricated design reduces maintenance needs, making it ideal for everyday use.

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