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Super Precision Angular Contact Ball Bearings 71813 ACD/P4DGC

Super Precision Angular Contact Ball Bearings 71813 ACD/P4DGC

The 71813 ACD/P4DGC is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a universal matching set of two bearings.

With a dynamic radial load capacity of 4680 lbf and a max speed of 36,000 RPM, it performs smoothly under demanding conditions. The phenolic cage ensures durability, while the open design allows for easy lubrication.

Its moderate preload (Class C) and P4 tolerance class make it ideal for high-precision applications. The bearings can be arranged back-to-back, face-to-face, or tandem to suit different load requirements.

Perfect for machine tools, spindles, or other high-speed equipment where precision and reliability are essential. The set weighs just 0.25kg, offering a lightweight yet robust solution.

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Product Parameters

  • Part Number 71813 ACD/P4DGC
  • 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 Moderate / Class C
  • 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/P4DGC dimension drawing
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Features

Performance Features of 71813 ACD/P4DGC Bearing

71813 ACD/P4DGC Bearing is designed with a 25° contact angle, providing excellent radial and axial load capacity.
Its universal matching arrangement allows flexible installation in back-to-back, face-to-face, or tandem configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load of 4680 lbf, it handles demanding applications with ease.

71813 ACD/P4DGC Bearing operates smoothly at speeds up to 36,000 rpm, maintaining precision under high stress.
Its moderate preload (Class C) enhances stability, making it ideal for precision machinery.

The open design and lubrication ensure consistent performance in temperatures from -30°C to 110°C.
Weighing just 0.25 kg, it balances strength and lightweight efficiency.

Application

Key Fields for 71813 ACD/P4DGC Bearing
71813 ACD/P4DGC Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching feature allows flexible arrangements, making it suitable for complex setups.

In robotics, 71813 ACD/P4DGC Bearing supports articulated arms, providing smooth motion and durability. Its phenolic cage reduces friction, enhancing performance in high-speed applications.

For medical imaging devices, 71813 ACD/P4DGC Bearing’s P4 tolerance class guarantees consistent operation. The chrome steel construction ensures reliability in critical environments where precision is paramount.

Automotive applications benefit from 71813 ACD/P4DGC Bearing in gearbox systems, where moderate preload improves stability. Its metric sizing ensures compatibility with a range of vehicle designs.

Q&A

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