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Super Precision Angular Contact Ball Bearings 71909 CE/P4ADBB

Super Precision Angular Contact Ball Bearings 71909 CE/P4ADBB

The 71909 CE/P4ADBB 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 comes in a matched set of two bearings for balanced performance.

This model handles radial loads up to 3780 lbf and spins smoothly at speeds up to 41,000 RPM. Its phenolic cage ensures durability, while the open design allows for easy lubrication.

The light preload (Class B) ensures smooth operation with minimal friction. Ideal for high-precision applications like machine tool spindles or high-speed motors.

With a temperature range of -30°C to 110°C, it’s versatile for various environments. Weighing just 0.26kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71909 CE/P4ADBB
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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 0.26 kg
Super Precision Angular Contact Ball Bearings 71909 CE/P4ADBB dimension drawing
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Features

How Is 71909 CE/P4ADBB Bearing Engineered for Reliability?

71909 CE/P4ADBB Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 3780 lbf, it delivers consistent performance under stress.
The P4A tolerance class guarantees high precision, making it suitable for demanding applications.

Application

Industrial Uses of 71909 CE/P4ADBB Bearing
71909 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 in demanding industrial environments.

In automotive applications, 71909 CE/P4ADBB Bearing supports gearbox systems, offering smooth performance under radial and axial loads. Its light preload and phenolic cage make it suitable for high-speed operations in modern vehicles.

For automation equipment, 71909 CE/P4ADBB Bearing excels in robotic arms, where its precision and durability are essential. The open seal design allows for easy lubrication, extending its service life in continuous use.

Medical imaging devices benefit from 71909 CE/P4ADBB Bearing’s reliable performance, ensuring consistent operation in critical diagnostics. The chrome steel construction and P4A tolerance class meet the stringent requirements of medical equipment.

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