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Super Precision Angular Contact Ball Bearings S71909 CD/P4ADBB

Super Precision Angular Contact Ball Bearings S71909 CD/P4ADBB

The S71909 CD/P4ADBB is a super precision angular contact ball bearing, measuring 45mm by 68mm by 24mm, crafted from durable chrome steel. It features a 15° contact angle and comes sealed for protection, with two bearings matched for back-to-back arrangement.

This model handles radial loads up to 4770 lbf and spins smoothly at speeds up to 46,000 RPM, thanks to its phenolic cage and grease lubrication. Its light preload ensures quiet operation and reduced vibration.

The sealed design keeps contaminants out, extending its lifespan in demanding conditions. Ideal for high-precision applications like machine tool spindles or medical equipment, where accuracy and reliability are key.

Weighing just 0.27kg, it’s lightweight yet robust, and interchangeable with SKF bearings for easy replacement. Compliant with P4A tolerance class for exceptional performance.

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Product Parameters

  • Part Number S71909 CD/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 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 4770 lbf
  • Static Radial Load 4275 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.27 kg
Super Precision Angular Contact Ball Bearings S71909 CD/P4ADBB dimension drawing
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Features

How Does S71909 CD/P4ADBB Bearing Achieve Super Precision?

S71909 CD/P4ADBB Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its matched arrangement of two bearings ensures balanced load distribution and smooth operation.

The chrome steel rings and balls enhance durability, while the phenolic cage reduces friction.
With a dynamic radial load capacity of 4770 lbf, it handles demanding tasks reliably.

S71909 CD/P4ADBB Bearing operates at speeds up to 46,000 rpm, maintaining performance in a wide temperature range.
Its sealed design and grease lubrication minimise maintenance needs, ensuring long service life.

Application

Industrial Uses of S71909 CD/P4ADBB Bearing
S71909 CD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In automotive applications, S71909 CD/P4ADBB Bearing supports gearbox systems, providing smooth operation under radial and axial loads. Its light preload and matched arrangement make it suitable for high-speed transmissions.

For medical imaging devices, S71909 CD/P4ADBB Bearing’s phenolic cage and chrome steel components offer reliable performance. The P4A tolerance class ensures minimal vibration, crucial for sensitive diagnostic equipment.

Automation & Robotics: S71909 CD/P4ADBB Bearing excels in robotic arms, where its high-speed capability and precision are essential. The grease lubrication extends service life, reducing maintenance needs in continuous operations.

Consumer Electronics: S71909 CD/P4ADBB Bearing can be found in high-end printers, ensuring quiet and precise paper handling. Its compact design fits well in space-constrained devices without compromising performance.

Q&A

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