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Super Precision Angular Contact Ball Bearings 71920 FEGA/P4A

Super Precision Angular Contact Ball Bearings 71920 FEGA/P4A

The 71920 FEGA/P4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 8775 lbf and operates smoothly at speeds up to 16,000 RPM.
Its open design and phenolic cage ensure low friction and long service life, even in demanding conditions. The bearing works reliably in temperatures from -30°C to 110°C.
With a P4A tolerance class, it offers high precision for applications requiring tight tolerances. Ideal for machine tools or high-speed spindles where accuracy is crucial.
Weighing 0.77kg, it’s robust yet manageable for its size. This model can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

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Product Parameters

  • Part Number 71920 FEGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 24
  • Contact Angle 18°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 8775 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.77 kg
Super Precision Angular Contact Ball Bearings 71920 FEGA/P4A dimension drawing
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Features

Performance Features of 71920 FEGA/P4A Bearing

71920 FEGA/P4A Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 18° contact angle ensures efficient load distribution, enhancing performance in high-speed operations.

The phenolic cage maintains ball alignment, reducing friction and extending the bearing’s lifespan.
With a maximum speed of 16,000 rpm, it delivers reliable performance in demanding conditions.

71920 FEGA/P4A Bearing operates smoothly within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

The dynamic radial load capacity of 8775 lbf makes it suitable for heavy-duty applications.
Precision-engineered to P4A tolerance class, it guarantees accuracy and reliability in every use.

Application

Common Applications of 71920 FEGA/P4A Bearing
71920 FEGA/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, ideal for continuous operation in industrial settings.

In automotive applications, 71920 FEGA/P4A Bearing supports components like wheel hubs and transmissions, providing reliable performance under radial and axial loads. Its extra light preload makes it suitable for smooth, high-speed rotations.

For automation systems, 71920 FEGA/P4A Bearing is a go-to choice for robotic arms and CNC machines, thanks to its phenolic cage reducing friction. The P4A tolerance class ensures consistent precision in repetitive tasks.

Medical imaging devices benefit from 71920 FEGA/P4A Bearing’s chrome steel construction, offering durability in high-use scenarios. The 16,000 rpm max speed makes it versatile for various diagnostic equipment.

In consumer electronics, 71920 FEGA/P4A Bearing can be found in high-end printers and scanners, where its lightweight design and precision enhance performance. The metric sizing ensures compatibility with a range of compact devices.

Q&A

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