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Super Precision Angular Contact Ball Bearings 71909 CE/HCP4A

Super Precision Angular Contact Ball Bearings 71909 CE/HCP4A

The 71909 CE/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 2340 lbf and reaches speeds of 52,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduces friction.

With a P4 tolerance class, it offers exceptional accuracy for precision machinery. The open design allows easy lubrication and maintenance.

Ideal for use in spindle motors or high-speed rotary systems where precision is key. Weighing just 0.12kg, it’s lightweight yet robust for demanding environments. Works well in temperatures from -30°C to 110°C.

Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades. Perfect for engineers needing top-tier performance without compromise.

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Product Parameters

  • Part Number 71909 CE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2340 lbf
  • Static Radial Load 1530 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 52000 rpm
  • Weight 0.12 kg
  • Price（$） 324.81
Super Precision Angular Contact Ball Bearings 71909 CE/HCP4A dimension drawing
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Features

Performance Features of 71909 CE/HCP4A Bearing

71909 CE/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 52,000 rpm, it excels in high-speed applications.

71909 CE/HCP4A Bearing operates smoothly within a temperature range of -30° to 110°C.
Its P4 tolerance class ensures consistent accuracy for demanding tasks.

The dynamic radial load capacity of 2340 lbf makes it reliable under heavy loads.
Its open design simplifies maintenance while the lubricated construction reduces wear.

Application

Key Fields for 71909 CE/HCP4A Bearing
71909 CE/HCP4A Bearing is commonly used in high-speed machine tools, where its 15° contact angle ensures smooth rotation under radial and axial loads. The ceramic balls reduce friction, making it ideal for precision applications.

In robotics, 71909 CE/HCP4A Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its phenolic cage offers lightweight durability, which is essential for dynamic operations.

For medical imaging devices, 71909 CE/HCP4A Bearing’s P4 tolerance class guarantees minimal vibration, crucial for clear diagnostic results. The open design allows for easy lubrication, extending service life in demanding environments.

Automotive applications like electric vehicle motors benefit from 71909 CE/HCP4A Bearing’s high-speed capability and low heat generation. The metric sizing ensures compatibility with a range of European and Asian automotive designs.

In aerospace systems, 71909 CE/HCP4A Bearing’s reliability under varying temperatures makes it suitable for navigation equipment. Its chrome steel rings provide the necessary strength for critical flight components.

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