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Super Precision Angular Contact Ball Bearings 71908 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71908 CEGA/HCP4A

The 71908 CEGA/HCP4A is a super precision angular contact ball bearing measuring 40mm by 62mm by 12mm, crafted from chrome steel with ceramic balls for enhanced performance. It handles radial loads up to 2194 lbf and reaches speeds of 56,000 RPM, making it suitable for high-speed applications.

With a 15° contact angle and extra light preload, it offers smooth operation and minimal friction. The phenolic cage ensures durability while keeping the bearing lightweight at just 0.088kg.

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 matched sets for versatile mounting options like back-to-back or face-to-face.

Ideal for precision machinery, spindles, or high-speed tools where accuracy and reliability are key. Its P4A tolerance class ensures consistent performance in demanding conditions.

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Product Parameters

  • Part Number 71908 CEGA/HCP4A
  • 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 15°
  • 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 56000 rpm
  • Weight 0.088 kg
Super Precision Angular Contact Ball Bearings 71908 CEGA/HCP4A dimension drawing
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Features

Performance Features of 71908 CEGA/HCP4A Bearing

71908 CEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 15° contact angle ensures efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 56,000 rpm, it excels in high-speed applications.

71908 CEGA/HCP4A Bearing operates smoothly in temperatures ranging from -30°C to 110°C.
Its extra light preload class A ensures minimal friction and optimal efficiency.

The open seal design allows for easy lubrication, extending the bearing’s service life.
Its dynamic radial load capacity of 2194 lbf makes it suitable for demanding tasks.

71908 CEGA/HCP4A Bearing is universally matching, offering flexibility in various configurations.
This feature makes it adaptable for back-to-back, face-to-face, or tandem arrangements.

Application

Key Fields for 71908 CEGA/HCP4A Bearing
71908 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precision in demanding applications like CNC spindles.

In robotics, 71908 CEGA/HCP4A Bearing provides smooth angular contact for articulated arms, thanks to its 15° contact angle. The lightweight design and high-speed capability make it ideal for repetitive, precise movements.

For medical imaging devices, 71908 CEGA/HCP4A Bearing’s chrome steel rings offer durability, while the ceramic balls minimise electrical interference. This combination is particularly useful in MRI and CT scanner components.

Automotive electric motors benefit from 71908 CEGA/HCP4A Bearing’s ability to handle both radial and axial loads efficiently. Its lubricated design ensures long service life in hybrid and electric vehicle applications.

In aerospace systems, 71908 CEGA/HCP4A Bearing’s temperature stability and high-speed performance make it suitable for avionics and actuator mechanisms. The metric sizing aligns with European aircraft component standards.

Q&A

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