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Super Precision Angular Contact Ball Bearings 71909 CE/HCP4ADBA

Super Precision Angular Contact Ball Bearings 71909 CE/HCP4ADBA

The 71909 CE/HCP4ADBA 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 3780 lbf and spins smoothly at speeds up to 41,000 RPM.

Its open design and phenolic cage ensure low friction and easy maintenance, while the 15° contact angle provides stability under angular loads. The bearing operates efficiently in temperatures from -30°C to 110°C.

This matched set of two bearings (DB arrangement) offers extra light preload for precise performance. Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy is key.

Weighing just 0.23kg, it’s lightweight yet robust. Compliant with P4A tolerance class for reliable, high-precision use.

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Product Parameters

  • Part Number 71909 CE/HCP4ADBA
  • 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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3780 lbf
  • Static Radial Load 3082 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 CE/HCP4ADBA dimension drawing
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Features

Performance Features of 71909 CE/HCP4ADBA Bearing

71909 CE/HCP4ADBA Bearing is designed with a 15° contact angle, ideal for precision angular contact applications.
Its chrome steel rings and ceramic balls provide a balance of strength and smooth operation.

The phenolic cage ensures stability at high speeds, up to 41,000 rpm.
This makes it suitable for demanding environments where precision is crucial.

With an extra light preload (Class A), 71909 CE/HCP4ADBA Bearing offers minimal friction and enhanced accuracy.
Its matched arrangement of two bearings (DB) further improves performance under radial loads.

The dynamic radial load capacity of 3780 lbf ensures reliability in various applications.
Its temperature range of -30°C to 110°C allows for consistent operation in diverse conditions.

Application

Industrial Uses of 71909 CE/HCP4ADBA Bearing
71909 CE/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The ceramic balls and phenolic cage reduce friction, making it ideal for demanding industrial environments.

Where Is 71909 CE/HCP4ADBA Bearing Used?
In automotive applications, 71909 CE/HCP4ADBA Bearing supports components like electric motors and gearboxes, thanks to its extra light preload and high-speed capabilities. The matched arrangement of two bearings provides stability under angular loads.

Perfect Fit for Automation: 71909 CE/HCP4ADBA Bearing
For robotics and automation systems, 71909 CE/HCP4ADBA Bearing offers reliable performance in mechanical arms and 3D printers. Its P4A tolerance class ensures consistent operation in precision-driven tasks.

Medical vs Industrial: Where 71909 CE/HCP4ADBA Bearing Excels
In medical imaging devices, 71909 CE/HCP4ADBA Bearing’s chrome steel rings and ceramic balls deliver smooth, quiet operation. Industrial applications benefit from its high dynamic radial load capacity and temperature resistance.

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