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Super Precision Angular Contact Ball Bearings 71813 ACD/P4

Super Precision Angular Contact Ball Bearings 71813 ACD/P4

The 71813 ACD/P4 is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles both radial and axial loads, with a dynamic radial load capacity of 2858 lbf.

Made from chrome steel with a phenolic cage, it offers smooth operation at speeds up to 20,000 RPM. The open design allows for easy lubrication, ensuring long service life even in demanding conditions.

This bearing is ideal for precision machinery like spindles or CNC tools, where accuracy and speed are crucial. Its P4 tolerance class (ABEC-7) guarantees consistent performance.

Weighing just 0.13kg, it’s lightweight yet robust, suitable for temperatures ranging from -30°C to 110°C. Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 71813 ACD/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2858 lbf
  • Static Radial Load 3150 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 20000 rpm
  • Weight 0.13 kg
  • Price（$） 588.762
Super Precision Angular Contact Ball Bearings 71813 ACD/P4 dimension drawing
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Features

Why Choose 71813 ACD/P4 Bearing for Precision Tasks?

71813 ACD/P4 Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel construction ensures durability and smooth operation even at high speeds up to 20,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a P4 tolerance class, it delivers exceptional accuracy for demanding applications.

71813 ACD/P4 Bearing operates reliably in temperatures from -30° to 110°C, suitable for varied environments.
Its preload availability allows for fine-tuning to meet specific performance requirements.

Application

Practical Applications of 71813 ACD/P4 Bearing
71813 ACD/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The P4 tolerance class makes it suitable for applications demanding minimal runout.

In robotics, 71813 ACD/P4 Bearing supports articulated arms, providing smooth movement under combined loads. Its phenolic cage reduces friction, enhancing efficiency in repetitive tasks.

For medical imaging devices, 71813 ACD/P4 Bearing offers reliable performance due to its chrome steel construction. The open design allows for easy lubrication, maintaining consistent operation in critical environments.

Automotive applications include electric vehicle motors, where 71813 ACD/P4 Bearing handles high-speed rotation. Its metric sizing ensures compatibility with various European and Asian motor designs.

In aerospace systems, 71813 ACD/P4 Bearing is chosen for its ability to withstand thrust and radial loads. The temperature range makes it adaptable to different operational conditions.

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