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Super Precision Angular Contact Ball Bearings S71919 CD/HCP4A

Super Precision Angular Contact Ball Bearings S71919 CD/HCP4A

The S71919 CD/HCP4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, designed for high-performance applications. Its compact 18mm width makes it suitable for tight spaces while handling radial loads up to 11115 lbf.

The bearing features a 15° contact angle and ceramic balls, ensuring smooth operation at speeds up to 11000 RPM. The phenolic cage and sealed design provide durability and reduce maintenance needs.

With a P4 tolerance class, this bearing offers exceptional accuracy for demanding machinery. It works reliably in temperatures from -30°C to 110°C and comes pre-lubricated for immediate use.

Ideal for precision equipment like machine tools or high-speed spindles, this model is interchangeable with SKF bearings. Weighing 0.5kg, it balances strength and precision for industrial applications.

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Product Parameters

  • Part Number S71919 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • 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 11115 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 11000 rpm
  • Weight 0.5 kg
  • Price（$） 136.953
Super Precision Angular Contact Ball Bearings S71919 CD/HCP4A dimension drawing
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Features

Performance Features of S71919 CD/HCP4A Bearing

S71919 CD/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its ceramic balls and chrome steel rings enhance durability and reduce friction during high-speed operation.

The phenolic cage ensures smooth performance, even at speeds up to 11,000 rpm.
With a dynamic radial load capacity of 11115 lbf, it handles demanding conditions reliably.

S71919 CD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its sealed design and lubrication reduce maintenance needs, making it a practical choice for precision tasks.

The P4 tolerance class ensures high accuracy, suitable for applications requiring tight tolerances.
Its matched arrangement option provides added flexibility for complex installations.

Application

Essential Roles of S71919 CD/HCP4A Bearing
S71919 CD/HCP4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In aerospace applications, S71919 CD/HCP4A Bearing supports critical components like turbine shafts, thanks to its phenolic cage and sealed design. This combination offers reliability in demanding environments.

For automation systems, S71919 CD/HCP4A Bearing excels in robotic arms and CNC machines, where its preload capability enhances stability. The P4 tolerance class ensures consistent performance in precision tasks.

Medical imaging devices benefit from S71919 CD/HCP4A Bearing’s smooth operation and low heat generation. Its lubricated design minimises maintenance, ideal for sensitive equipment.

Q&A

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