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Super Precision Angular Contact Ball Bearings 71911 CE/P4A

Super Precision Angular Contact Ball Bearings 71911 CE/P4A

The 71911 CE/P4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, designed for high-speed applications. Made from chrome steel, it handles radial loads up to 3510 lbf and spins smoothly at speeds up to 36,000 RPM.

Its 15° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a versatile choice for replacements. Ideal for precision machinery like spindles or CNC equipment where accuracy and speed are crucial.

Weighing just 0.17kg, it’s lightweight yet durable. Compliant with P4 tolerance class (ABEC-7) for high-precision applications.

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Product Parameters

  • Part Number 71911 CE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3510 lbf
  • Static Radial Load 2385 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.17 kg
  • Price（$） 81.126
Super Precision Angular Contact Ball Bearings 71911 CE/P4A dimension drawing
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Features

Performance Features of 71911 CE/P4A Bearing

71911 CE/P4A Bearing is crafted with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage in 71911 CE/P4A Bearing reduces friction and noise, making it suitable for precision applications.
With a maximum speed of 36,000 rpm, it delivers reliable performance in demanding environments.

71911 CE/P4A Bearing’s P4 tolerance class guarantees high precision and consistent operation.
Its dynamic radial load capacity of 3510 lbf ensures long-lasting reliability in various applications.

Application

How Does 71911 CE/P4A Bearing Improve Performance?
71911 CE/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding conditions.

In automotive applications, 71911 CE/P4A Bearing supports gearbox systems, providing smooth operation under radial and axial loads. Its phenolic cage material reduces friction, making it suitable for high-performance vehicles.

For robotics, 71911 CE/P4A Bearing’s 15° contact angle enhances stability in articulated arms and joints. The P4 tolerance class ensures consistent performance in automated assembly lines.

Essential Roles of 71911 CE/P4A Bearing
71911 CE/P4A Bearing is ideal for medical imaging equipment, where its chrome steel construction ensures reliability during prolonged use. The high-speed capability makes it a dependable choice for diagnostic machines.

In consumer electronics, 71911 CE/P4A Bearing can be found in precision devices like 3D printers, where its low friction and high accuracy are crucial. The metric sizing ensures compatibility with various international standards.

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