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Super Precision Angular Contact Ball Bearings 71918 CE/P4ADBB

Super Precision Angular Contact Ball Bearings 71918 CE/P4ADBB

The 71918 CE/P4ADBB is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 11115 lbf and operates smoothly at speeds up to 15000 RPM.

Its 15° contact angle and matched arrangement (2 bearings DB) provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for machine tools or spindle drives where precision and reliability are key.

Weighing 1.08kg, it’s robust yet manageable for its size. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for seamless replacements.

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Product Parameters

  • Part Number 71918 CE/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 24
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 11115 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.08 kg
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Features

Performance Features of 71918 CE/P4ADBB Bearing

71918 CE/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 11115 lbf, it handles demanding conditions reliably.

71918 CE/P4ADBB Bearing operates efficiently at speeds up to 15,000 rpm.
Its light preload and matched arrangement ensure precision in high-speed applications.

The open design allows for easy lubrication, extending service life.
It performs consistently within a temperature range of -30°C to 110°C.

Application

Essential Roles of 71918 CE/P4ADBB Bearing
71918 CE/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability, making it suitable for demanding industrial environments.

In aerospace applications, 71918 CE/P4ADBB Bearing supports components like turbine shafts, thanks to its light preload and high-speed capability. The phenolic cage material helps reduce friction, enhancing performance in critical flight systems.

For automation equipment, 71918 CE/P4ADBB Bearing is ideal for robotic arms, where its precision and durability are key. The open seal type allows for easy lubrication, ensuring smooth operation in repetitive tasks.

Medical imaging devices benefit from 71918 CE/P4ADBB Bearing’s consistent performance and low noise levels. Its chrome steel construction ensures reliability in sensitive diagnostic equipment.

In electric motors, 71918 CE/P4ADBB Bearing handles radial and axial loads efficiently, making it a reliable choice for high-speed applications. The P4A tolerance class guarantees precision, even under heavy use.

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