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Super Precision Angular Contact Ball Bearings 71909 CE/P4ADBA

Super Precision Angular Contact Ball Bearings 71909 CE/P4ADBA

The 71909 CE/P4ADBA is a super precision angular contact ball bearing, measuring 45mm by 68mm by 24mm, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched pair for duplex back-to-back mounting.

With a dynamic radial load capacity of 3780 lbf, it spins smoothly at speeds up to 41,000 RPM. The phenolic cage ensures quiet operation and durability, while the open design allows for easy lubrication.

Its extra light preload (Class A) ensures minimal friction, making it ideal for high-precision applications. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

Perfect for machine tools or spindle applications where accuracy and speed are crucial. Weighing just 0.26kg, it’s lightweight yet robust. Interchangeable with SKF bearings, it’s a reliable choice for replacements.

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Product Parameters

  • Part Number 71909 CE/P4ADBA
  • 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 Extra light / Class A
  • 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/P4ADBA dimension drawing
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Features

Performance Features of 71909 CE/P4ADBA Bearing

71909 CE/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 3780 lbf, it handles demanding conditions reliably.
The extra light preload (Class A) reduces friction, making it suitable for precision tasks.

71909 CE/P4ADBA Bearing operates efficiently at speeds up to 41,000 rpm.
Its open design allows for easy lubrication, maintaining performance in temperatures from -30°C to 110°C.

Application

Common Applications of 71909 CE/P4ADBA Bearing
71909 CE/P4ADBA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The extra light preload makes it suitable for applications demanding minimal friction and smooth operation.

In automotive systems, 71909 CE/P4ADBA Bearing supports components like wheel hubs and transmissions, where its matched arrangement enhances stability under angular loads. The phenolic cage material also helps reduce vibration and noise.

For robotics and automation, 71909 CE/P4ADBA Bearing’s high-speed capability and P4A tolerance class make it ideal for robotic arms and CNC machinery. Its chrome steel construction ensures long-lasting performance in demanding environments.

Medical imaging devices often rely on 71909 CE/P4ADBA Bearing for its quiet and precise movement, crucial for maintaining accuracy in diagnostic equipment. The open seal type allows for easy lubrication, extending service life.

In consumer electronics, 71909 CE/P4ADBA Bearing can be found in high-performance fans and printers, where its balanced design ensures reliable operation. The metric sizing makes it compatible with a variety of compact devices.

Q&A

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