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Super Precision Angular Contact Ball Bearings 71908 FEGA/HCP4AL

Super Precision Angular Contact Ball Bearings 71908 FEGA/HCP4AL

The 71908 FEGA/HCP4AL is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 2194 lbf and spins smoothly at speeds up to 41,000 RPM.

Its open design and phenolic cage ensure low friction and long-lasting performance, even in temperatures from -30°C to 110°C. The extra light preload (Class A) makes it ideal for high-precision applications.

This bearing is interchangeable with SKF models and can be paired in back-to-back, face-to-face, or tandem arrangements. Perfect for machine tools or high-speed spindles where accuracy is key.

Weighing just 0.088kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance standards for reliable operation.

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Product Parameters

  • Part Number 71908 FEGA/HCP4AL
  • 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 Ceramic
  • 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 0.088 kg
Super Precision Angular Contact Ball Bearings 71908 FEGA/HCP4AL dimension drawing
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Features

Performance Features of 71908 FEGA/HCP4AL Bearing

71908 FEGA/HCP4AL Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under high-speed conditions.
Its 18° contact angle provides excellent radial and axial load capacity, making it versatile for various applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 41,000 rpm, it delivers reliable performance in precision tasks.

How Is 71908 FEGA/HCP4AL Bearing Engineered for Reliability?

71908 FEGA/HCP4AL Bearing features an extra light preload design, ideal for applications requiring minimal friction.
The ceramic balls and chrome steel rings work together to resist wear, ensuring a long service life.
Its open seal type allows for easy lubrication, maintaining optimal performance.
The bearing operates efficiently within a temperature range of -30°C to 110°C.

Built for Precision: 71908 FEGA/HCP4AL Bearing

71908 FEGA/HCP4AL Bearing’s P4A tolerance class ensures high precision, suitable for demanding industrial uses.
The dynamic radial load capacity of 2194 lbf makes it robust for heavy-duty applications.
Its universal matching capability allows for flexible arrangements like back-to-back or face-to-face.
The phenolic cage material reduces noise, making it ideal for quiet operations.

Steel vs Ceramic Bearings: Strengths of 71908 FEGA/HCP4AL Bearing

71908 FEGA/HCP4AL Bearing combines chrome steel rings with ceramic balls for enhanced performance.
This hybrid design reduces weight and increases speed capabilities compared to all-steel bearings.
The ceramic balls also resist corrosion and reduce heat generation during operation.
With 19 balls and a 6.35 mm ball diameter, it ensures even load distribution.

Application

Practical Applications of 71908 FEGA/HCP4AL Bearing
71908 FEGA/HCP4AL Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design and phenolic cage make it suitable for environments requiring minimal lubrication.

In robotics, 71908 FEGA/HCP4AL Bearing ensures accurate movement in joints and arms, thanks to its angular contact design. The extra light preload helps maintain stability during repetitive tasks.

For medical imaging devices, 71908 FEGA/HCP4AL Bearing’s P4A tolerance class provides the consistency needed for precise positioning. Its chrome steel rings and ceramic balls offer durability in sterile environments.

Automotive applications like electric motor shafts benefit from 71908 FEGA/HCP4AL Bearing’s high-speed capability and low heat generation. The metric sizing ensures compatibility with various European and Asian models.

In 3D printers, 71908 FEGA/HCP4AL Bearing supports linear motion systems, where its lightweight design and low friction improve print accuracy. The phenolic cage also reduces noise during operation.

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