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Super Precision Angular Contact Ball Bearings S71924 CEGA/P4A

Super Precision Angular Contact Ball Bearings S71924 CEGA/P4A

The S71924 CEGA/P4A is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes sealed for protection, with matched arrangements available for versatile setups.

This bearing handles radial loads up to 10688 lbf and spins smoothly at speeds up to 11000 RPM, thanks to its phenolic cage and grease lubrication. Its extra-light preload ensures minimal friction and precise operation.

The P4A tolerance class guarantees high accuracy, making it suitable for demanding applications like machine tools or high-speed spindles. It works reliably in temperatures from -30°C to 110°C.

Weighing 1.14kg, it’s part of a matched set of four bearings, offering flexibility for back-to-back, face-to-face, or tandem configurations. Interchangeable with SKF bearings, it’s a practical choice for precision engineering needs.

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Product Parameters

  • Part Number S71924 CEGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 22 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 24
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Number Of Bearings In Matched Set 4
  • 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 10688 lbf
  • Static Radial Load 9000 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 1.14 kg
Super Precision Angular Contact Ball Bearings S71924 CEGA/P4A dimension drawing
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Features

Performance Features of S71924 CEGA/P4A Bearing

S71924 CEGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The sealed design protects against contaminants, ensuring consistent performance in various environments.

Its chrome steel rings and balls provide excellent durability, supporting dynamic radial loads up to 10688 lbf.
The phenolic cage enhances stability, reducing friction and wear during high-speed operation.

With a maximum speed of 11,000 rpm, S71924 CEGA/P4A Bearing delivers reliable efficiency.
The P4A tolerance class ensures high precision, making it suitable for demanding tasks.

The matched arrangement option allows for versatile installation configurations.
Its grease lubrication reduces maintenance needs, extending service life.

Application

Key Fields for S71924 CEGA/P4A Bearing
S71924 CEGA/P4A Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, extending service life in demanding industrial environments.

In aerospace applications, S71924 CEGA/P4A Bearing supports critical components like turbine shafts, thanks to its extra-light preload and P4A tolerance class. The phenolic cage reduces friction, making it ideal for high-speed rotations.

For robotics, S71924 CEGA/P4A Bearing’s matched arrangement allows smooth motion in articulated arms, while its grease lubrication ensures quiet operation. The chrome steel construction provides durability in repetitive, high-stress movements.

Automotive vs Aerospace: Applications of S71924 CEGA/P4A Bearing
In automotive systems, S71924 CEGA/P4A Bearing enhances performance in electric motor shafts, where its high-speed capability is crucial. The metric sizing ensures compatibility with European and Asian vehicle designs.

Aerospace applications benefit from S71924 CEGA/P4A Bearing’s ability to handle extreme temperatures and vibrations. Its universal matching feature simplifies installation in complex assemblies like landing gear mechanisms.

What Makes S71924 CEGA/P4A Bearing a Preferred Choice?
S71924 CEGA/P4A Bearing is a go-to for medical imaging devices, where its precision and reliability ensure consistent results. The sealed design also prevents contamination in sterile environments.

In 3D printers, S71924 CEGA/P4A Bearing’s low friction and high-speed performance contribute to smooth, accurate prints. The phenolic cage material reduces wear, even during prolonged use.

Q&A

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