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Super Precision Angular Contact Ball Bearings 71805 ACD/P4DBC

Super Precision Angular Contact Ball Bearings 71805 ACD/P4DBC

The 71805 ACD/P4DBC is a super precision angular contact ball bearing with a 25mm bore and 37mm outer diameter, made from high-quality chrome steel. It features a 25° contact angle and comes as a matched pair for balanced performance.

This bearing handles radial loads up to 1433 lbf and reaches speeds of 103,000 RPM, thanks to its phenolic cage and open design. Its moderate preload (Class C) ensures smooth operation under stress.

The P4 tolerance class offers excellent precision, while the chrome steel balls enhance durability. Ideal for high-speed applications like spindles or precision tools where accuracy is key.

Weighing just 0.042kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71805 ACD/P4DBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 20
  • 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 1433 lbf
  • Static Radial Load 1372 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.042 kg
Super Precision Angular Contact Ball Bearings 71805 ACD/P4DBC dimension drawing
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Features

Performance Features of 71805 ACD/P4DBC Bearing

71805 ACD/P4DBC Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage provides stability at high speeds.
The moderate preload (Class C) enhances precision, making it suitable for demanding applications.
With a maximum speed of 103,000 rpm, it delivers reliable performance in high-speed environments.

Application

Industrial Uses of 71805 ACD/P4DBC Bearing
71805 ACD/P4DBC Bearing is commonly used in high-speed machine tools, where its angular contact design ensures precise spindle rotation. The moderate preload and P4 tolerance make it ideal for applications demanding tight control over radial and axial loads.

Where Is 71805 ACD/P4DBC Bearing Used?
In robotics, 71805 ACD/P4DBC Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage reduces friction, making it suitable for repetitive, high-precision tasks.

Built for Heavy-Duty Use: 71805 ACD/P4DBC Bearing
71805 ACD/P4DBC Bearing handles dynamic loads in conveyor systems, ensuring reliable performance in industrial settings. The chrome steel construction offers durability, even in demanding environments.

Automotive vs Aerospace: Applications of 71805 ACD/P4DBC Bearing
In automotive gearboxes, 71805 ACD/P4DBC Bearing manages angular loads efficiently. For aerospace, its high-speed capability and precision make it a trusted choice in auxiliary systems.

Perfect Fit for Automation: 71805 ACD/P4DBC Bearing
71805 ACD/P4DBC Bearing is often found in automated assembly lines, where its matched arrangement ensures consistent alignment. The open design allows for easy lubrication, extending its operational life.

Q&A

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