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Super Precision Angular Contact Ball Bearings 71918 ACEGA/HCP4AL

Super Precision Angular Contact Ball Bearings 71918 ACEGA/HCP4AL

The 71918 ACEGA/HCP4AL is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 6435 lbf and spins at speeds up to 15000 RPM. Its phenolic cage and extra light preload ensure quiet, efficient performance in demanding applications.

The open design allows easy lubrication, while the P4A tolerance class guarantees high precision. It works in temperatures from -30°C to 110°C and comes in a set of two for universal matching.

Ideal for high-speed machinery like spindles or CNC equipment where precision and reliability are crucial. Weighing 0.46kg, it offers excellent performance without adding bulk.

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Product Parameters

  • Part Number 71918 ACEGA/HCP4AL
  • 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 18 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 No
  • 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 6435 lbf
  • Static Radial Load 5130 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.46 kg
Super Precision Angular Contact Ball Bearings 71918 ACEGA/HCP4AL dimension drawing
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Features

Performance Features of 71918 ACEGA/HCP4AL Bearing

71918 ACEGA/HCP4AL Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

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

With a dynamic radial load capacity of 6435 lbf, it handles demanding conditions reliably.

Its phenolic cage ensures stability at high speeds, supporting up to 15,000 rpm.

Application

Industrial Uses of 71918 ACEGA/HCP4AL Bearing
71918 ACEGA/HCP4AL Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design allows for easy lubrication, extending its lifespan in demanding conditions.

Where Is 71918 ACEGA/HCP4AL Bearing Used?
You’ll find 71918 ACEGA/HCP4AL Bearing in automotive applications like electric motors, where its angular contact design handles combined loads efficiently. Its phenolic cage ensures quiet performance, ideal for electric vehicle components.

Built for Heavy-Duty Use: 71918 ACEGA/HCP4AL Bearing
71918 ACEGA/HCP4AL Bearing excels in robotics, particularly in robotic arms requiring precise movement. The extra-light preload ensures minimal play, enhancing accuracy in automated systems.

Medical vs Industrial: Where 71918 ACEGA/HCP4AL Bearing Excels
In medical imaging devices, 71918 ACEGA/HCP4AL Bearing’s P4A tolerance class ensures reliable performance under strict precision requirements. Industrial pumps also benefit from its high-speed capabilities and durable chrome steel construction.

Practical Applications of 71918 ACEGA/HCP4AL Bearing
71918 ACEGA/HCP4AL Bearing is a great fit for 3D printers, where its low friction and high-speed performance improve print quality. The ceramic balls also help reduce heat buildup during prolonged use.

Q&A

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