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Super Precision Angular Contact Ball Bearings S71909 CE/P4A

Super Precision Angular Contact Ball Bearings S71909 CE/P4A

The S71909 CE/P4A 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 pre-lubricated for smooth operation.

With a dynamic radial load capacity of 2340 lbf, it handles high speeds up to 29,000 RPM effortlessly. The phenolic cage ensures quiet performance and durability under demanding conditions.

Its sealed design keeps contaminants out while maintaining lubrication. The P4 tolerance class guarantees exceptional precision, making it ideal for high-accuracy applications.

Perfect for machine tools or precision instruments where reliability and low noise are essential. Weighing just 0.13kg, it’s lightweight yet robust for its size. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71909 CE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2340 lbf
  • Static Radial Load 1530 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 29000 rpm
  • Weight 0.13 kg
  • Price（$） 389.412
Super Precision Angular Contact Ball Bearings S71909 CE/P4A dimension drawing
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Features

Performance Features of S71909 CE/P4A Bearing

S71909 CE/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The bearing supports dynamic radial loads up to 2340 lbf, making it suitable for high-performance machinery.
With a maximum speed of 29,000 rpm, it delivers reliable operation in demanding conditions.

S71909 CE/P4A Bearing’s sealed design keeps lubrication intact, reducing maintenance needs.
Its P4 tolerance class ensures precision, ideal for applications requiring high accuracy.

Application

Common Applications of S71909 CE/P4A Bearing
S71909 CE/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure smooth operation. The sealed construction helps keep contaminants out, extending its lifespan in demanding environments.

In automotive applications, S71909 CE/P4A Bearing supports components like electric motors and gearboxes, offering reliable performance under radial and axial loads. Its phenolic cage provides excellent durability and reduces friction.

For automation systems, S71909 CE/P4A Bearing is a solid choice for robotic arms and CNC machines, thanks to its high-speed capabilities and consistent accuracy. The P4 tolerance class ensures it meets strict performance standards.

Medical imaging devices also benefit from S71909 CE/P4A Bearing’s precision and low noise operation. The chrome steel construction ensures long-term reliability in critical healthcare equipment.

In consumer electronics, S71909 CE/P4A Bearing can be found in high-performance fans and small motors, where its compact size and efficiency are key advantages. The lubricated design helps maintain quiet operation over time.

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