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Super Precision Angular Contact Ball Bearings 71918 CE/P4A

Super Precision Angular Contact Ball Bearings 71918 CE/P4A

The 71918 CE/P4A is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 6908 lbf and operates smoothly at speeds up to 22000 RPM.

Its 15° contact angle and open design ensure efficient load distribution and easy maintenance. The phenolic cage adds durability while keeping the weight low at just 0.54kg.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. It performs reliably in temperatures from -30°C to 110°C and meets P4 tolerance standards for accuracy.

Interchangeable with SKF bearings, it offers a practical solution for replacements or upgrades in demanding environments.

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Product Parameters

  • Part Number 71918 CE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 24
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 6908 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.54 kg
  • Price（$） 11.466
Super Precision Angular Contact Ball Bearings 71918 CE/P4A dimension drawing
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Features

Performance Features of 71918 CE/P4A Bearing

71918 CE/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 6908 lbf.

The phenolic cage maintains ball alignment, reducing friction and enabling smooth operation at speeds up to 22,000 rpm.
Precision P4 tolerance class guarantees consistent performance in high-speed applications.

71918 CE/P4A Bearing operates efficiently in temperatures from -30° to 110°C, suitable for various industrial environments.
Its open design allows for easy lubrication, ensuring long service life with minimal maintenance.

With 24 chrome steel balls, this bearing balances load capacity and rotational precision.
The 90 mm bore size accommodates a range of shaft diameters for versatile use.

Application

Industrial Uses of 71918 CE/P4A Bearing
71918 CE/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, making it suitable for continuous operation.

In automotive applications, 71918 CE/P4A Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads with ease. Its phenolic cage material provides durability under varying temperatures and speeds.

For automation systems, 71918 CE/P4A Bearing is a reliable choice for robotic arms and CNC machines, thanks to its P4 tolerance class. The chrome steel construction ensures long-lasting performance in demanding environments.

Where to Use 71918 CE/P4A Bearing
71918 CE/P4A Bearing fits well in medical imaging devices, where smooth rotation and precision are essential. Its high-speed capability and low friction make it ideal for sensitive equipment.

In consumer electronics, 71918 CE/P4A Bearing can be found in high-performance printers and scanners. The balanced load distribution ensures quiet and efficient operation for everyday use.

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