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Super Precision Angular Contact Ball Bearings S71911 CEGA/P4A

Super Precision Angular Contact Ball Bearings S71911 CEGA/P4A

The S71911 CEGA/P4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes sealed for protection, with an extra-light preload for smooth operation.

This bearing handles radial loads up to 3510 lbf and spins at speeds up to 34,000 RPM, making it suitable for high-performance applications. The phenolic cage ensures stability, while grease lubrication keeps maintenance simple.

Its P4A tolerance class guarantees precise performance, ideal for machinery requiring high accuracy. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing just 0.17kg, it’s lightweight yet robust. Perfect for applications like spindles or precision tools where reliability and speed are key. Works well in temperatures from -30°C to 110°C.

Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades. The sealed design helps keep contaminants out, extending its lifespan.

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Product Parameters

  • Part Number S71911 CEGA/P4A
  • 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 13 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 No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3510 lbf
  • Static Radial Load 2385 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.17 kg
Super Precision Angular Contact Ball Bearings S71911 CEGA/P4A dimension drawing
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Features

Performance Features of S71911 CEGA/P4A Bearing

S71911 CEGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

The bearing supports dynamic radial loads up to 3510 lbf, making it suitable for high-performance machinery.
With a maximum speed of 34,000 rpm, it delivers reliable operation in demanding conditions.

S71911 CEGA/P4A Bearing’s sealed design and grease lubrication minimise maintenance requirements.
Its P4A tolerance class ensures exceptional precision for critical applications.

Application

Super Precision Angular Contact Ball Bearings S71911 CEGA/P4A excels in high-speed machine tools, where its 15° contact angle ensures smooth operation under radial and axial loads. The sealed design keeps contaminants out, extending service life in demanding environments.

In robotics, S71911 CEGA/P4A provides the precision needed for articulated arms and automated assembly lines. Its phenolic cage reduces friction, making it ideal for repetitive, high-accuracy movements.

For medical imaging devices, S71911 CEGA/P4A’s P4A tolerance class guarantees consistent performance in critical applications. The chrome steel construction offers durability while maintaining low noise levels.

In aerospace applications, S71911 CEGA/P4A handles both radial and thrust loads in avionics systems. Its extra-light preload ensures minimal energy loss during high-speed rotations.

Consumer electronics like high-end turntables benefit from S71911 CEGA/P4A’s precision and low vibration. The grease lubrication ensures quiet operation, perfect for noise-sensitive environments.

Q&A

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