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Super Precision Angular Contact Ball Bearings 71908 FEGA/P4A

Super Precision Angular Contact Ball Bearings 71908 FEGA/P4A

The 71908 FEGA/P4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from high-quality chrome steel. It features an 18° contact angle and is designed for angular contact loads, handling up to 2194 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at speeds up to 41,000 RPM, while the extra light preload enhances precision. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a matched set of two, suitable for universal matching configurations. Ideal for high-precision applications like machine tools or spindle drives where accuracy is key.

Weighing just 0.1kg, it’s lightweight yet durable, making it a practical choice for demanding environments. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71908 FEGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 19
  • 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 2194 lbf
  • Static Radial Load 1350 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.1 kg
Super Precision Angular Contact Ball Bearings 71908 FEGA/P4A dimension drawing
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Features

Performance Features of 71908 FEGA/P4A Bearing

71908 FEGA/P4A Bearing is crafted with chrome steel rings and balls, offering excellent durability and precision.
Its 18° contact angle ensures optimal performance in angular contact applications, handling dynamic radial loads up to 2194 lbf.
The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 41,000 rpm, it suits high-speed applications while maintaining reliability.

Application

Common Applications of 71908 FEGA/P4A Bearing
71908 FEGA/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The extra light preload makes it suitable for applications demanding minimal friction and smooth operation.

In robotics, 71908 FEGA/P4A Bearing supports articulated arms, providing stability during repetitive movements. Its phenolic cage reduces weight while maintaining durability, ideal for automated systems.

For medical imaging devices, 71908 FEGA/P4A Bearing’s P4A tolerance class guarantees consistent performance in sensitive equipment. The chrome steel construction also ensures long-term reliability in sterile environments.

Where Is 71908 FEGA/P4A Bearing Used?
You’ll often find 71908 FEGA/P4A Bearing in CNC machining centres, where its high-speed capability and precision are essential. The open design allows for easy lubrication, extending service life.

In electric motors, 71908 FEGA/P4A Bearing handles radial and axial loads efficiently, thanks to its 18° contact angle. This makes it a reliable choice for both industrial and consumer applications.

Built for Versatility: 71908 FEGA/P4A Bearing
71908 FEGA/P4A Bearing works well in aerospace applications, such as helicopter rotor systems, due to its lightweight phenolic cage. The P4A tolerance ensures consistent performance under varying loads.

For 3D printers, 71908 FEGA/P4A Bearing provides smooth linear motion in print heads. Its high-speed rating and low friction make it ideal for detailed printing tasks.

Light-Duty vs Heavy-Duty: Best Uses for 71908 FEGA/P4A Bearing
In light-duty scenarios like dental drills, 71908 FEGA/P4A Bearing offers quiet operation and precision. The chrome steel balls ensure minimal wear over time.

For heavier loads in industrial pumps, 71908 FEGA/P4A Bearing’s dynamic radial load capacity of 2194 lbf provides reliable performance. The open seal design also simplifies maintenance.

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