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Super Precision Angular Contact Ball Bearings 71911 FE/HCP4ALDT

Super Precision Angular Contact Ball Bearings 71911 FE/HCP4ALDT

The 71911 FE/HCP4ALDT is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 5648 lbf and spins smoothly at speeds up to 34,000 RPM.

Its 18° contact angle and matched pair design (2 bearings << DT) provide excellent stability and preload options for high-precision applications. The phenolic cage ensures quiet operation and long service life. This bearing is lubricated for easy maintenance and performs well in temperatures from -30°C to 110°C. Ideal for machine tools, spindles, or other high-speed equipment requiring precise angular contact. Weighing just 0.29kg, it’s lightweight yet robust, meeting P4A tolerance standards for superior accuracy. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71911 FE/HCP4ALDT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 21
  • Contact Angle 18°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5648 lbf
  • Static Radial Load 4680 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.29 kg
Super Precision Angular Contact Ball Bearings 71911 FE/HCP4ALDT dimension drawing
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Features

Performance Features of 71911 FE/HCP4ALDT Bearing

71911 FE/HCP4ALDT Bearing is designed with a precision contact angle of 18°, ensuring accurate load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance in high-speed operations.
The phenolic cage maintains ball alignment, contributing to smooth and quiet operation.
With a maximum speed of 34,000 rpm, it is suitable for demanding industrial environments.

How Is 71911 FE/HCP4ALDT Bearing Engineered for Reliability?

71911 FE/HCP4ALDT Bearing features a matched arrangement of two bearings, providing balanced load handling and stability.
The ceramic balls and chrome steel rings offer excellent resistance to wear, extending the bearing’s service life.
Its P4A tolerance class ensures high precision, making it ideal for applications requiring tight tolerances.
The open seal design allows for easy lubrication, maintaining optimal performance over time.

Designed for Durability: 71911 FE/HCP4ALDT Bearing

71911 FE/HCP4ALDT Bearing’s chrome steel rings and ceramic balls provide superior durability under heavy radial loads.
The phenolic cage resists wear and tear, ensuring long-term reliability in high-speed applications.
With a dynamic radial load capacity of 5648 lbf, it handles demanding conditions with ease.
Its temperature range of -30°C to 110°C makes it versatile for various industrial uses.

Why Choose 71911 FE/HCP4ALDT Bearing for Precision Tasks?

71911 FE/HCP4ALDT Bearing’s precision-engineered design ensures accurate performance in high-speed and high-load applications.
The ceramic balls reduce friction and heat generation, enhancing efficiency and longevity.
Its matched bearing arrangement and preload option provide stability and precise load handling.
With a P4A tolerance class, it meets the strictest precision requirements for industrial machinery.

Steel vs Ceramic Bearings: Strengths of 71911 FE/HCP4ALDT Bearing

71911 FE/HCP4ALDT Bearing combines chrome steel rings with ceramic balls, offering the best of both materials.
The ceramic balls reduce weight and friction, while the steel rings provide strength and durability.
This combination results in a bearing that performs well under high speeds and heavy loads.
Its phenolic cage further enhances performance by maintaining ball alignment and reducing wear.

Application

Industrial Uses of 71911 FE/HCP4ALDT Bearing
71911 FE/HCP4ALDT Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation.

What Makes 71911 FE/HCP4ALDT Bearing a Preferred Choice?
In automotive applications, 71911 FE/HCP4ALDT Bearing supports gearboxes and electric motors, thanks to its high-speed capabilities and durable construction. The phenolic cage adds stability, even under heavy loads.

Perfect Fit for Automation: 71911 FE/HCP4ALDT Bearing
For robotic arms and automated systems, 71911 FE/HCP4ALDT Bearing offers reliable performance with minimal maintenance. Its P4A tolerance class ensures consistent accuracy in repetitive tasks.

Medical vs Industrial: Where 71911 FE/HCP4ALDT Bearing Excels
In medical imaging devices, 71911 FE/HCP4ALDT Bearing provides quiet and precise movement, while in industrial settings, it handles high radial loads effortlessly. The lubricated design extends its lifespan in both environments.

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