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Super Precision Angular Contact Ball Bearings 71913 FE/HCPA9ADT

Super Precision Angular Contact Ball Bearings 71913 FE/HCPA9ADT

The 71913 FE/HCPA9ADT is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 5962 lbf and spins smoothly at high speeds up to 36,000 RPM.

Its 18° contact angle and matched arrangement of two bearings provide excellent stability under angular loads. The ceramic balls and phenolic cage reduce friction, enhancing performance in demanding conditions.

This bearing is preloaded for precision and works well in temperatures from -30°C to 110°C. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing 0.34kg, it’s lightweight yet robust. Compliant with strict tolerance class PA9A, it ensures reliable operation in critical setups. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71913 FE/HCPA9ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 18°
  • Tolerance Class PA9A
  • 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 5962 lbf
  • Static Radial Load 5512 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.34 kg
Super Precision Angular Contact Ball Bearings 71913 FE/HCPA9ADT dimension drawing
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Features

How Does 71913 FE/HCPA9ADT Bearing Achieve Super Precision?

71913 FE/HCPA9ADT Bearing features an 18° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance under dynamic radial loads up to 5962 lbf.

The phenolic cage ensures smooth operation at speeds up to 36,000 rpm, maintaining stability.
With a matched arrangement of two bearings, it offers consistent performance in demanding conditions.

Its PA9A tolerance class guarantees precision, making it suitable for high-accuracy machinery.
The open design allows for easy lubrication, extending service life.

Application

Common Applications of 71913 FE/HCPA9ADT Bearing
71913 FE/HCPA9ADT Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 71913 FE/HCPA9ADT Bearing supports articulated arms, providing stability and load capacity for repetitive movements. Its matched arrangement enhances performance in dynamic, multi-axis systems.

For aerospace components, 71913 FE/HCPA9ADT Bearing’s phenolic cage and chrome steel rings offer durability in extreme conditions. The PA9A tolerance class ensures reliability in critical flight systems.

Where Is 71913 FE/HCPA9ADT Bearing Used?
You’ll often find 71913 FE/HCPA9ADT Bearing in CNC machining centres, where its high-speed capability and low heat generation are key. The open design allows for easy lubrication, extending service life.

In medical imaging devices, 71913 FE/HCPA9ADT Bearing’s precision reduces vibration, ensuring clear scans. The ceramic balls also minimise electrical interference in sensitive equipment.

Built for Heavy-Duty Use: 71913 FE/HCPA9ADT Bearing
71913 FE/HCPA9ADT Bearing handles heavy radial and axial loads in industrial gearboxes, thanks to its robust chrome steel construction. The 18° contact angle optimises load distribution.

In electric vehicle motors, 71913 FE/HCPA9ADT Bearing’s low friction design improves efficiency. The matched set configuration ensures consistent performance under varying speeds.

Automotive vs Aerospace: Applications of 71913 FE/HCPA9ADT Bearing
In automotive transmissions, 71913 FE/HCPA9ADT Bearing supports high-speed shafts with minimal noise. Its ceramic balls reduce wear, even under constant load changes.

For aerospace actuators, 71913 FE/HCPA9ADT Bearing’s precision and temperature resistance are crucial. The phenolic cage withstands both high RPMs and thermal cycling.

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