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Super Precision Angular Contact Ball Bearings 71918 ACE/HCP4ADGA
Super Precision Angular Contact Ball Bearings 71918 ACE/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71918 ACE/HCP4ADGA

The 71918 ACE/HCP4ADGA is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under angular loads.

With a dynamic radial load capacity of 10530 lbf, it spins efficiently at speeds up to 15000 RPM. The phenolic cage and open design allow for easy lubrication and maintenance.

This bearing comes in a matched set of two, suitable for universal arrangements like back-to-back or face-to-face. Ideal for high-precision applications such as machine tools or spindles where accuracy is key.

Weighing 0.92kg, it meets P4A tolerance standards and operates in temperatures from -30°C to 110°C. A reliable choice for engineers needing precision and interchangeability with SKF models.

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Product Parameters

  • Part Number 71918 ACE/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 10530 lbf
  • Static Radial Load 10238 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.92 kg

Features

Performance Features of 71918 ACE/HCP4ADGA Bearing

71918 ACE/HCP4ADGA Bearing is designed with a 25° contact angle, offering precise angular contact performance.

The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 10530 lbf, it handles demanding applications with ease.

Its phenolic cage ensures stability and alignment, even at high speeds up to 15,000 rpm.

Application

Key Fields for 71918 ACE/HCP4ADGA Bearing
71918 ACE/HCP4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In aerospace applications, 71918 ACE/HCP4ADGA Bearing supports components like turbine shafts, thanks to its phenolic cage and universal matching capability. The extra light preload also minimises vibration in critical systems.

For robotics, 71918 ACE/HCP4ADGA Bearing’s P4A tolerance class provides the precision needed for articulated arms and automated assembly lines. Its chrome steel rings offer durability in continuous operation.

Medical imaging devices benefit from 71918 ACE/HCP4ADGA Bearing’s low heat generation and smooth performance. The lubricated design ensures quiet operation, essential for sensitive diagnostic equipment.

In electric vehicle drivetrains, 71918 ACE/HCP4ADGA Bearing handles combined radial and axial loads efficiently. The metric dimensions make it a versatile choice for modern automotive designs.

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