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Super Precision Angular Contact Ball Bearings 71918 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71918 ACD/HCP4A

The 71918 ACD/HCP4A is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

With a dynamic radial load capacity of 9945 lbf, it handles high speeds up to 17,000 RPM. The phenolic cage ensures durability, while the open design allows for easy lubrication.

This bearing comes in a P4 tolerance class, offering exceptional accuracy for demanding applications. It’s suitable for use in temperatures ranging from -30°C to 110°C.

Ideal for precision machinery like spindles or high-speed tools, it’s also interchangeable with SKF bearings. Weighing 0.47kg, it’s a reliable choice for performance-focused setups.

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Product Parameters

  • Part Number 71918 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 9945 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.47 kg
  • Price（$） 11.421
Super Precision Angular Contact Ball Bearings 71918 ACD/HCP4A dimension drawing
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Features

Performance Features of 71918 ACD/HCP4A Bearing

71918 ACD/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage in 71918 ACD/HCP4A Bearing ensures smooth operation at high speeds, up to 17,000 rpm.
With a dynamic radial load capacity of 9945 lbf, it handles demanding conditions reliably.

71918 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision P4 tolerance class guarantees consistent performance in high-accuracy applications.

The open design of 71918 ACD/HCP4A Bearing allows for easy lubrication, maintaining optimal performance.
Its matched arrangement and preload options provide flexibility for various installation needs.

Application

Key Fields for 71918 ACD/HCP4A Bearing
71918 ACD/HCP4A Bearing is widely used in high-speed machine tools, where its 25° contact angle ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications demanding smooth rotation.

In robotics, 71918 ACD/HCP4A Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its phenolic cage offers lightweight durability, perfect for automated systems.

For aerospace components, 71918 ACD/HCP4A Bearing’s P4 tolerance class guarantees reliability in critical assemblies. The open design allows for easy lubrication, extending service life in demanding conditions.

Medical imaging devices benefit from 71918 ACD/HCP4A Bearing’s low vibration and high-speed capabilities. The chrome steel rings ensure consistent performance in sensitive diagnostic equipment.

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