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Super Precision Angular Contact Ball Bearings 71905 FEGA/P4A

Super Precision Angular Contact Ball Bearings 71905 FEGA/P4A

The 71905 FEGA/P4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. It features an 18° contact angle and is designed for angular contact loads, handling up to 1186 lbf dynamically.

With a maximum speed of 71,500 RPM, it spins smoothly and efficiently. The open design and phenolic cage ensure low friction and easy maintenance, while the extra light preload enhances precision.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. It can be arranged back-to-back, face-to-face, or tandem for versatile use.

Weighing just 0.04kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it offers reliable performance in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it’s a practical choice for replacements.

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Product Parameters

  • Part Number 71905 FEGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 16
  • 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 1186 lbf
  • Static Radial Load 619 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 71500 rpm
  • Weight 0.04 kg
Super Precision Angular Contact Ball Bearings 71905 FEGA/P4A dimension drawing
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Features

Performance Features of 71905 FEGA/P4A Bearing

71905 FEGA/P4A Bearing is designed with a precise 18° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 1186 lbf, it handles demanding conditions reliably.
The extra-light preload (Class A) enhances precision, making it suitable for high-speed applications up to 71,500 rpm.

71905 FEGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

Key Fields for 71905 FEGA/P4A Bearing
71905 FEGA/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The extra light preload makes it ideal for applications requiring minimal friction.

In automotive systems, 71905 FEGA/P4A Bearing supports components like electric motors and gearboxes, thanks to its 18° contact angle. The chrome steel construction provides durability under varying loads.

For medical imaging devices, 71905 FEGA/P4A Bearing offers reliable operation due to its P4A tolerance class. The phenolic cage enhances stability in high-speed rotations.

Automation equipment benefits from 71905 FEGA/P4A Bearing’s ability to handle radial and axial loads simultaneously. Its compact size fits well in robotic arms and CNC machinery.

In consumer electronics, 71905 FEGA/P4A Bearing is found in devices like high-speed printers, where smooth operation is essential. The lubricated design ensures long service life with minimal maintenance.

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