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Super Precision Angular Contact Ball Bearings 71813 ACD/P4DGA

Super Precision Angular Contact Ball Bearings 71813 ACD/P4DGA

The 71813 ACD/P4DGA is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 4680 lbf and operates smoothly at speeds up to 36,000 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face. The phenolic cage ensures durability while keeping the bearing lightweight at just 0.25kg.

This bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or robotics where accuracy and speed matter.

Sold as a matched set of two, it’s interchangeable with SKF bearings for easy replacement. The P4 tolerance class guarantees exceptional precision for demanding tasks.

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Product Parameters

  • Part Number 71813 ACD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 29
  • 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 4680 lbf
  • Static Radial Load 6300 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.25 kg
Super Precision Angular Contact Ball Bearings 71813 ACD/P4DGA dimension drawing
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Features

Performance Features of 71813 ACD/P4DGA Bearing

71813 ACD/P4DGA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its universal matching allows flexible arrangements like back-to-back or face-to-face, adapting to various applications.
The extra light preload ensures smooth operation, reducing friction and enhancing precision.
With a maximum speed of 36,000 rpm, it delivers high performance in demanding conditions.

Application

Where Is 71813 ACD/P4DGA Bearing Used?
71813 ACD/P4DGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage helps reduce friction, making it suitable for high-speed operations.

In robotics, 71813 ACD/P4DGA Bearing supports articulated arms, providing smooth movement and long service life. Its universal matching feature allows for flexible installation in various configurations.

For medical imaging devices, 71813 ACD/P4DGA Bearing’s chrome steel construction offers reliable performance under consistent radial loads. The extra light preload ensures minimal vibration, crucial for sensitive equipment.

In automotive applications, 71813 ACD/P4DGA Bearing is found in gearboxes, where its high-speed capability and durability are key. The P4 tolerance class guarantees precision even under demanding conditions.

Q&A

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