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Super Precision Angular Contact Ball Bearings 71907 FEGA/HCP4A
Super Precision Angular Contact Ball Bearings 71907 FEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71907 FEGA/HCP4A

The 71907 FEGA/HCP4A is a super precision angular contact ball bearing measuring 35mm by 55mm by 10mm, crafted from chrome steel with ceramic balls for enhanced performance. It handles radial loads up to 1712 lbf and reaches speeds of 56,000 RPM, suitable for high-speed applications.

Its 18° contact angle and extra light preload ensure smooth operation with minimal friction. The phenolic cage adds durability while keeping the weight light at just 0.067kg.

This open-design bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. It’s interchangeable with SKF bearings and comes in universal matching sets for flexible arrangements.

Ideal for precision machinery like spindles or CNC tools where accuracy and speed are key. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71907 FEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 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 1712 lbf
  • Static Radial Load 1024 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.067 kg

Features

How Does 71907 FEGA/HCP4A Bearing Achieve Super Precision?

71907 FEGA/HCP4A Bearing features an 18° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and chrome steel rings reduce friction, ensuring smooth operation at speeds up to 56,000 rpm.

The phenolic cage maintains ball alignment, enhancing durability and performance under dynamic radial loads of 1712 lbf.
With a P4A tolerance class, it delivers consistent accuracy in demanding conditions.

Its compact 35 mm×55 mm×10 mm size makes it suitable for space-constrained applications.
The extra-light preload design minimises vibration, ideal for precision machinery.

Application

Industrial Uses of 71907 FEGA/HCP4A Bearing
71907 FEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 71907 FEGA/HCP4A Bearing supports articulated arms, providing stability and load handling for repetitive movements. Its phenolic cage offers durability in automated environments.

For medical imaging devices, 71907 FEGA/HCP4A Bearing’s P4A tolerance class guarantees consistent performance in sensitive equipment. The chrome steel rings and ceramic balls enhance longevity in sterile conditions.

Automotive vs Aerospace: Applications of 71907 FEGA/HCP4A Bearing
In automotive systems, 71907 FEGA/HCP4A Bearing is found in gearboxes, where its extra light preload improves efficiency. The metric sizing ensures compatibility with European car models.

Aerospace applications benefit from 71907 FEGA/HCP4A Bearing’s high-speed capabilities, particularly in turbine assemblies. Its temperature range suits both ground and flight conditions.

Q&A

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