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Super Precision Angular Contact Ball Bearings 71813 ACDGA/HCP4

Super Precision Angular Contact Ball Bearings 71813 ACDGA/HCP4

The 71813 ACDGA/HCP4 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 and ceramic balls ensure smooth operation under radial loads up to 2858 lbf.

The open design and phenolic cage allow for easy lubrication and reduced friction, making it suitable for speeds up to 36,000 RPM. The extra light preload (Class A) enhances precision in demanding setups.

This bearing is part of a universal matching set, compatible with back-to-back, face-to-face, or tandem arrangements. Ideal for machine tools or spindle drives where accuracy and speed are crucial.

Weighing just 0.11kg, it’s lightweight yet robust, with a temperature range of -30°C to 110°C. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71813 ACDGA/HCP4
  • 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 10 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 No
  • Number Of Bearings In Matched Set 3
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2858 lbf
  • Static Radial Load 3150 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.11 kg
Super Precision Angular Contact Ball Bearings 71813 ACDGA/HCP4 dimension drawing
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Features

Performance Features of 71813 ACDGA/HCP4 Bearing

71813 ACDGA/HCP4 Bearing features a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls provide excellent durability and reduced friction.

With a dynamic radial load capacity of 2858 lbf, it ensures reliable performance in high-speed applications.
The phenolic cage maintains ball alignment, enhancing smooth operation and longevity.

71813 ACDGA/HCP4 Bearing operates at speeds up to 36,000 rpm, making it suitable for precision tasks.
Its P4 tolerance class guarantees consistent accuracy and performance.

The open design allows for easy lubrication, ensuring optimal performance in various conditions.
Its temperature range of -30°C to 110°C ensures reliability in diverse environments.

Application

Common Applications of 71813 ACDGA/HCP4 Bearing
71813 ACDGA/HCP4 Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for demanding machining operations.

In robotics, 71813 ACDGA/HCP4 Bearing provides smooth motion control for articulated arms, thanks to its extra light preload and P4 tolerance. Its compact size fits well in space-constrained robotic joints.

For medical imaging devices, 71813 ACDGA/HCP4 Bearing’s phenolic cage and chrome steel rings offer reliable performance in sensitive equipment. The low heat generation is ideal for prolonged use in diagnostic machines.

Automotive applications include electric vehicle motors, where 71813 ACDGA/HCP4 Bearing handles high rotational speeds efficiently. The metric dimensions ensure compatibility with various motor designs.

In aerospace systems, 71813 ACDGA/HCP4 Bearing supports components like gyroscopes, benefiting from its temperature stability and lightweight construction. The open design allows for easy lubrication in critical flight systems.

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