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Super Precision Angular Contact Ball Bearings S71924 ACD/HCP4A

Super Precision Angular Contact Ball Bearings S71924 ACD/HCP4A

The S71924 ACD/HCP4A is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and sealed design for reliable performance.

This bearing handles radial loads up to 16380 lbf and reaches speeds of 8000 RPM, thanks to its ceramic balls and phenolic cage. It maintains smooth operation in temperatures from -30°C to 110°C.

Its precision P4 class (ABEC-7) ensures minimal vibration, while the sealed design keeps lubrication in place. The bearing comes preloaded for immediate use in matched arrangements.

Ideal for high-speed applications like machine tool spindles or precision equipment where accuracy is crucial. Weighing 1.01kg, it offers a robust yet lightweight solution for demanding environments.

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Product Parameters

  • Part Number S71924 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 22 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 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 16380 lbf
  • Static Radial Load 19462 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 8000 rpm
  • Weight 1.01 kg
  • Price（$） 1816.911
Super Precision Angular Contact Ball Bearings S71924 ACD/HCP4A dimension drawing
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Features

Engineered for Precision: S71924 ACD/HCP4A Bearing

S71924 ACD/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation with minimal friction.

The phenolic cage in S71924 ACD/HCP4A Bearing maintains ball alignment, enhancing durability under dynamic radial loads up to 16380 lbf.
With a maximum speed of 8,000 rpm, it delivers reliable performance in demanding conditions.

S71924 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its sealed design and lubrication reduce maintenance needs while extending service life.

The P4 tolerance class ensures S71924 ACD/HCP4A Bearing meets strict precision requirements.
This makes it suitable for applications where accuracy and reliability are essential.

Application

Perfect Fit for Automation: S71924 ACD/HCP4A Bearing
S71924 ACD/HCP4A Bearing is widely used in industrial automation, particularly in high-precision robotic arms and CNC machines. Its ceramic balls and phenolic cage ensure smooth operation even at high speeds.

In the automotive sector, S71924 ACD/HCP4A Bearing is ideal for electric vehicle motors, where its angular contact design handles combined loads efficiently. The sealed construction keeps contaminants out, extending service life.

For medical imaging devices, S71924 ACD/HCP4A Bearing’s P4 tolerance class guarantees the accuracy needed for delicate procedures. The chrome steel rings provide durability in demanding clinical environments.

In consumer electronics, S71924 ACD/HCP4A Bearing can be found in high-end 3D printers, ensuring precise layer alignment. Its lubricated design reduces maintenance needs for continuous operation.

Q&A

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