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Super Precision Angular Contact Ball Bearings 71809 ACD/P4DGA

Super Precision Angular Contact Ball Bearings 71809 ACD/P4DGA

The 71809 ACD/P4DGA is a super precision angular contact ball bearing with a 45mm bore and 58mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched set of two for versatile mounting options.

This bearing handles radial loads up to 1667 lbf and spins smoothly at speeds up to 46,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

Designed for universal matching, it can be arranged back-to-back, face-to-face, or tandem to suit different needs. The extra light preload (Class A) enhances precision without compromising flexibility.

Ideal for high-speed applications like machine tool spindles or precision instruments. Compliant with P4 tolerance standards, it offers reliable performance in temperatures from -30°C to 110°C. Weighing just 0.078kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number 71809 ACD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 58 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 31
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1667 lbf
  • Static Radial Load 2250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.078 kg
Super Precision Angular Contact Ball Bearings 71809 ACD/P4DGA dimension drawing
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Features

Performance Features of 71809 ACD/P4DGA Bearing

71809 ACD/P4DGA Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 25° contact angle and universal matching arrangement provide excellent load distribution.
The phenolic cage enhances stability, reducing friction during high-speed operation.
With a maximum speed of 46,000 rpm, it delivers reliable performance in demanding applications.
The extra light preload ensures smooth operation, making it ideal for precision tasks.

Application

Industrial Uses of 71809 ACD/P4DGA Bearing
71809 ACD/P4DGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows flexible arrangements, making it suitable for complex setups.

In automotive applications, 71809 ACD/P4DGA Bearing supports components like electric motors and gearboxes, where its extra light preload enhances efficiency. The phenolic cage also reduces friction, contributing to smoother performance.

For automation systems, 71809 ACD/P4DGA Bearing is ideal for robotic arms and CNC machines, thanks to its high-speed capability. The P4 tolerance class ensures consistent precision in demanding environments.

Medical imaging devices benefit from 71809 ACD/P4DGA Bearing’s reliable operation and low noise levels. Its chrome steel construction provides durability in critical healthcare equipment.

Q&A

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