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Super Precision Angular Contact Ball Bearings S71919 CB/HCP4A

Super Precision Angular Contact Ball Bearings S71919 CB/HCP4A

The S71919 CB/HCP4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 4095 lbf and spins smoothly at speeds up to 16,000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle and P4 tolerance class make it ideal for high-precision applications.

This bearing is interchangeable with SKF models and comes preloaded for easy installation. Perfect for machine tools or high-speed spindles where accuracy and reliability are key.

Weighing 0.61kg, it’s robust yet lightweight. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial settings.

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Product Parameters

  • Part Number S71919 CB/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 7.144 mm
  • Ball Qty 38
  • 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 4095 lbf
  • Static Radial Load 4185 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.61 kg
  • Price（$） 137.421
Super Precision Angular Contact Ball Bearings S71919 CB/HCP4A dimension drawing
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Features

How Is S71919 CB/HCP4A Bearing Engineered for Reliability?

S71919 CB/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
The ceramic balls and chrome steel rings enhance durability while reducing friction.

With a dynamic radial load capacity of 4095 lbf, it handles demanding conditions effortlessly.
Its phenolic cage ensures smooth operation and extended service life.

The sealed design and lubrication reduce maintenance needs, making it a reliable choice.
Operating at speeds up to 16,000 rpm, it balances high performance with longevity.

Application

Industrial Uses of S71919 CB/HCP4A Bearing
S71919 CB/HCP4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

In automotive systems, S71919 CB/HCP4A Bearing supports components like electric motors and transmissions, where its sealed design protects against contaminants. The phenolic cage adds durability, even under continuous use.

For automation equipment, S71919 CB/HCP4A Bearing’s P4 tolerance class provides the reliability needed for robotic arms and CNC machines. Its matched arrangement option allows for custom setups in complex machinery.

Medical imaging devices benefit from S71919 CB/HCP4A Bearing’s consistent performance, thanks to its chrome steel rings and ceramic balls. The lubricated design ensures quiet operation, crucial in sensitive environments.

In consumer electronics, S71919 CB/HCP4A Bearing can be found in high-end printers and scanners, where its compact size and precision are key. The temperature range makes it suitable for various operating conditions.

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