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Super Precision Angular Contact Ball Bearings 71909 FE/HCP4ALDT

Super Precision Angular Contact Ball Bearings 71909 FE/HCP4ALDT

The 71909 FE/HCP4ALDT is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 3712 lbf and spins smoothly at speeds up to 41,000 RPM.

Its 18° contact angle and matched arrangement (2 bearings) ensure stability under angular loads, while the phenolic cage offers lightweight strength. The open design allows easy lubrication, ideal for high-speed applications.

This bearing suits precision machinery like spindles or CNC tools, where accuracy and speed are crucial. Operating between -30°C and 110°C, it’s reliable in varied conditions. Weighing 0.23kg, it’s lightweight yet robust for its size.

Interchangeable with SKF bearings, it’s a practical choice for replacements. The P4A tolerance class guarantees high precision for demanding tasks.

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Product Parameters

  • Part Number 71909 FE/HCP4ALDT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 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 3712 lbf
  • Static Radial Load 3015 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.23 kg
Super Precision Angular Contact Ball Bearings 71909 FE/HCP4ALDT dimension drawing
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Features

Performance Features of 71909 FE/HCP4ALDT Bearing

71909 FE/HCP4ALDT Bearing is designed with a precise 18° contact angle, ideal for angular contact applications.

Its chrome steel rings and ceramic balls ensure smooth operation, even at high speeds up to 41,000 rpm.

The phenolic cage keeps the balls aligned, reducing friction and extending the bearing’s service life.

With a dynamic radial load capacity of 3712 lbf, it handles demanding conditions with ease.

Application

Industrial Uses of 71909 FE/HCP4ALDT Bearing
This 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 suitable for demanding industrial environments.

In automotive applications, 71909 FE/HCP4ALDT Bearing supports components like electric motors and gearboxes, where its high-speed capability is a key advantage. The matched arrangement also helps in handling complex loads efficiently.

For medical imaging devices, 71909 FE/HCP4ALDT Bearing’s phenolic cage and chrome steel rings provide reliable operation. Its low friction and high-speed performance make it ideal for sensitive equipment.

Automation systems benefit from 71909 FE/HCP4ALDT Bearing’s ability to handle both radial and axial loads smoothly. The preload option ensures consistent performance in robotic arms and precision machinery.

In consumer electronics like high-end printers, 71909 FE/HCP4ALDT Bearing’s quiet operation and durability stand out. The lubricated design ensures long service life even with frequent use.

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