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Super Precision Angular Contact Ball Bearings S71911 CE/P4ADT

Super Precision Angular Contact Ball Bearings S71911 CE/P4ADT

The S71911 CE/P4ADT is a super precision angular contact ball bearing with a 55mm bore and 80mm 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 5648 lbf and reaches speeds of 34,000 RPM, thanks to its phenolic cage and grease lubrication. Its sealed design keeps contaminants out while maintaining smooth operation.

The bearings are preloaded for stability and precision, ideal for high-accuracy applications. They perform reliably in temperatures from -30°C to 110°C, making them suitable for demanding environments.

Weighing just 0.35kg, this set is lightweight yet durable. It’s interchangeable with SKF bearings, offering a practical solution for machinery requiring tight tolerances and angular contact performance.

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Product Parameters

  • Part Number S71911 CE/P4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5648 lbf
  • Static Radial Load 4770 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.35 kg
Super Precision Angular Contact Ball Bearings S71911 CE/P4ADT dimension drawing
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Features

How Is S71911 CE/P4ADT Bearing Engineered for Reliability?

S71911 CE/P4ADT 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 5648 lbf, it performs reliably in high-speed applications.

The sealed design and grease lubrication minimise maintenance needs, extending service life.

Application

Key Fields for S71911 CE/P4ADT Bearing
S71911 CE/P4ADT Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The sealed construction keeps contaminants out, extending service life in demanding environments.

In robotics, S71911 CE/P4ADT Bearing supports smooth movement in articulated arms, thanks to its matched arrangement and preload capability. The phenolic cage reduces friction, making it ideal for repetitive motions.

For medical imaging devices, S71911 CE/P4ADT Bearing’s chrome steel rings and balls provide reliable operation under consistent loads. The P4A tolerance class ensures the precision needed for sensitive diagnostic equipment.

Automotive applications like electric power steering systems benefit from S71911 CE/P4ADT Bearing’s grease lubrication and high-speed capability. Its durability makes it a solid choice for long-term use in vehicle components.

In 3D printers, S71911 CE/P4ADT Bearing’s low friction and high-speed performance contribute to precise layer deposition. The sealed design also helps maintain cleanliness in fine-detail printing environments.

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