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Super Precision Angular Contact Ball Bearings S71911 CD/HCP4A

Super Precision Angular Contact Ball Bearings S71911 CD/HCP4A

The S71911 CD/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. Its compact 13mm width makes it suitable for space-conscious applications.

Featuring a 15° contact angle and ceramic balls, it handles radial loads up to 4388 lbf and spins smoothly at speeds up to 19,000 RPM. The phenolic cage ensures durability and reduced friction.

This sealed bearing comes pre-lubricated and is ideal for high-speed operations, with a temperature range of -30°C to 110°C. Its P4 tolerance class guarantees exceptional precision.

Perfect for precision machinery like spindles or CNC equipment, it’s interchangeable with SKF bearings for easy replacement. Weighing just 0.16kg, it balances performance and portability.

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Product Parameters

  • Part Number S71911 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4388 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 19000 rpm
  • Weight 0.16 kg
  • Price（$） 527.841
Super Precision Angular Contact Ball Bearings S71911 CD/HCP4A dimension drawing
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Features

Performance Features of S71911 CD/HCP4A Bearing

S71911 CD/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 19,000 rpm, it excels in high-speed applications.

S71911 CD/HCP4A Bearing operates smoothly within a temperature range of -30° to 110°C.
Its sealed design keeps contaminants out, prolonging service life.

The P4 tolerance class ensures exceptional accuracy, making it ideal for precision machinery.
Dynamic radial load capacity of 4388 lbf guarantees reliable operation under stress.

Application

Practical Applications of S71911 CD/HCP4A Bearing
S71911 CD/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design help maintain accuracy during operations. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In robotics, S71911 CD/HCP4A Bearing ensures smooth movement in articulated arms, thanks to its phenolic cage and sealed design. Its lightweight construction also helps improve energy efficiency in automated systems.

For medical imaging devices, S71911 CD/HCP4A Bearing provides reliable performance due to its chrome steel rings and tight tolerances. The P4 tolerance class ensures minimal vibration, which is crucial for sensitive diagnostic equipment.

In automotive applications, S71911 CD/HCP4A Bearing supports components like electric motor shafts, where its high-speed capability and durability are key. The lubricated design further enhances its longevity in these settings.

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