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Super Precision Angular Contact Ball Bearings S71919 ACD/HCP4A

Super Precision Angular Contact Ball Bearings S71919 ACD/HCP4A

The S71919 ACD/HCP4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is sealed for protection, making it suitable for high-speed applications up to 10,000 RPM.

With a dynamic radial load capacity of 10,395 lbf, this bearing is designed to handle significant stress while maintaining smooth operation. The ceramic balls and phenolic cage reduce friction, enhancing durability and performance.

Its P4 tolerance class ensures exceptional accuracy, ideal for precision machinery like CNC spindles or medical equipment. The bearing comes pre-lubricated and operates efficiently in temperatures from -30°C to 110°C.

Weighing 0.5kg, it’s a robust yet lightweight option for demanding applications. Interchangeable with SKF bearings, it offers a reliable solution for replacements or upgrades.

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Product Parameters

  • Part Number S71919 ACD/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 25°
  • 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 10395 lbf
  • Static Radial Load 11700 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 10000 rpm
  • Weight 0.5 kg
  • Price（$） 137.223
Super Precision Angular Contact Ball Bearings S71919 ACD/HCP4A dimension drawing
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Features

Performance Features of S71919 ACD/HCP4A Bearing

S71919 ACD/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
The 25° contact angle allows it to handle combined radial and axial loads efficiently.

With a dynamic radial load capacity of 10,395 lbf, it performs reliably in demanding applications.
Its phenolic cage maintains ball alignment, reducing friction and extending service life.

S71919 ACD/HCP4A Bearing operates smoothly at speeds up to 10,000 rpm.
The sealed design and lubrication ensure consistent performance in various conditions.

Application

Common Applications of S71919 ACD/HCP4A Bearing
S71919 ACD/HCP4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71919 ACD/HCP4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its ceramic balls also minimise heat buildup during high-speed operations.

For aerospace applications, S71919 ACD/HCP4A Bearing’s P4 tolerance meets strict requirements for navigation systems. The matched arrangement option further enhances alignment precision in critical assemblies.

Medical imaging devices benefit from S71919 ACD/HCP4A Bearing’s consistent performance, particularly in rotating components of MRI machines. The lubricated design ensures quiet operation for sensitive diagnostic environments.

In electric vehicle motors, S71919 ACD/HCP4A Bearing handles combined radial and axial loads efficiently. Its temperature stability makes it suitable for demanding automotive operating conditions.

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