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Super Precision Angular Contact Ball Bearings 71807 ACDGA/HCP4

Super Precision Angular Contact Ball Bearings 71807 ACDGA/HCP4

The 71807 ACDGA/HCP4 is a super precision angular contact ball bearing with a 35mm bore and 47mm outer diameter, designed for high-speed applications. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 981 lbf.

The open design and phenolic cage allow for easy lubrication, while the P4 tolerance class guarantees exceptional accuracy. It can handle speeds up to 56,000 RPM and temperatures from -30°C to 110°C.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or CNC tools where high speed and accuracy are crucial.

Weighing just 0.026kg, it’s lightweight yet robust, making it a reliable choice for demanding applications.

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Product Parameters

  • Part Number 71807 ACDGA/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 26
  • 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 981 lbf
  • Static Radial Load 911 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.026 kg
Super Precision Angular Contact Ball Bearings 71807 ACDGA/HCP4 dimension drawing
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Features

How Does 71807 ACDGA/HCP4 Bearing Achieve Super Precision?

71807 ACDGA/HCP4 Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
The ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

With a dynamic radial load capacity of 981 lbf, it handles demanding tasks while maintaining accuracy.
Its phenolic cage keeps the 26 ceramic balls aligned, enhancing durability and performance.

The P4 tolerance class guarantees exceptional precision, ideal for high-speed applications up to 56,000 rpm.
Its compact size (35 mm×47 mm×7 mm) makes it suitable for space-constrained installations.

Application

Ideal for Precision: 71807 ACDGA/HCP4 Bearing
The 71807 ACDGA/HCP4 Bearing is a go-to choice for high-speed machine tools, where its ceramic balls and P4 tolerance ensure minimal friction and precise rotation. Its compact design fits seamlessly into tight spaces without compromising performance.

In robotics, the 71807 ACDGA/HCP4 Bearing excels in articulated arms, providing smooth motion and reliability even under continuous operation. The phenolic cage adds durability, making it suitable for repetitive tasks.

For medical imaging devices, the 71807 ACDGA/HCP4 Bearing’s chrome steel rings and ceramic balls deliver quiet, vibration-free operation. This makes it ideal for sensitive equipment where accuracy is paramount.

Automotive applications like electric vehicle motors benefit from the 71807 ACDGA/HCP4 Bearing’s ability to handle angular loads efficiently. Its lightweight design and high-speed capability enhance overall system performance.

In consumer electronics, such as high-end printers, the 71807 ACDGA/HCP4 Bearing’s precision ensures consistent print quality. The open design allows for easy lubrication, extending its service life.

Q&A

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