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Super Precision Angular Contact Ball Bearings 71804 ACD/P4DBC

Super Precision Angular Contact Ball Bearings 71804 ACD/P4DBC

The 71804 ACD/P4DBC is a super precision angular contact ball bearing with a 20mm bore and 32mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

Designed for moderate preload, it handles radial loads up to 1332 lbf and spins smoothly at speeds up to 121,000 RPM. The phenolic cage ensures quiet operation and durability.

Its open design allows for easy lubrication, making maintenance straightforward. The bearing operates efficiently in temperatures from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. Weighing just 0.036kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71804 ACD/P4DBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 32 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 17
  • 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 1332 lbf
  • Static Radial Load 1125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.036 kg
Super Precision Angular Contact Ball Bearings 71804 ACD/P4DBC dimension drawing
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Features

Performance Features of 71804 ACD/P4DBC Bearing

71804 ACD/P4DBC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The matched arrangement of two bearings provides balanced performance, suitable for high-speed operations up to 121,000 rpm.
With a dynamic radial load capacity of 1332 lbf, it handles demanding tasks reliably.

Operating between -30°C to 110°C, 71804 ACD/P4DBC Bearing maintains precision in varied environments.
Its P4 tolerance class guarantees consistent accuracy for precision engineering needs.

Application

Essential Roles of 71804 ACD/P4DBC Bearing
In machine tools, 71804 ACD/P4DBC Bearing ensures smooth spindle rotation, thanks to its precision angular contact design. The moderate preload helps maintain accuracy during high-speed operations.

Where Is 71804 ACD/P4DBC Bearing Used?
You’ll often find 71804 ACD/P4DBC Bearing in robotics, where its matched arrangement provides stability for articulated arms. The phenolic cage reduces friction, extending service life in continuous-use scenarios.

Optimized for Performance: 71804 ACD/P4DBC Bearing
For medical imaging devices, 71804 ACD/P4DBC Bearing offers reliable support with minimal vibration. Its P4 tolerance class ensures consistent performance in sensitive diagnostic equipment.

Automotive vs Aerospace: Applications of 71804 ACD/P4DBC Bearing
In automotive transmissions, 71804 ACD/P4DBC Bearing handles combined loads efficiently, while in aerospace, its lightweight design suits auxiliary systems. The chrome steel construction works well in both environments.

Practical Applications of 71804 ACD/P4DBC Bearing
71804 ACD/P4DBC Bearing works well in 3D printers, providing precise linear motion control. The open seal design allows for easy relubrication during maintenance cycles.

Q&A

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