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Super Precision Angular Contact Ball Bearings S71930 ACD/HCP4A

Super Precision Angular Contact Ball Bearings S71930 ACD/HCP4A

The S71930 ACD/HCP4A is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with matched arrangement and preload options available.

This bearing handles radial loads up to 24300 lbf and operates smoothly at speeds up to 6700 RPM. Its ceramic balls and phenolic cage reduce friction, enhancing performance in demanding conditions.

Designed for angular contact loads, it works well in applications like machine tool spindles or high-speed robotics. The P4 tolerance class ensures exceptional precision for critical tasks.

Weighing 2.1kg, it’s built to last in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number S71930 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 28 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 23
  • 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 24300 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 6700 rpm
  • Weight 2.1 kg
  • Price（$） 2553.741
Super Precision Angular Contact Ball Bearings S71930 ACD/HCP4A dimension drawing
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Features

Performance Features of S71930 ACD/HCP4A Bearing

S71930 ACD/HCP4A Bearing features a 25° contact angle, optimised for angular contact loads with high precision.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance in demanding applications.

The phenolic cage ensures smooth operation, even at high speeds up to 6,700 rpm.
With a dynamic radial load capacity of 24,300 lbf, it handles heavy loads reliably.

S71930 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its sealed design and lubrication reduce maintenance needs, extending service life.

Application

Industrial Uses of S71930 ACD/HCP4A Bearing
S71930 ACD/HCP4A Bearing is commonly 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.

What Makes S71930 ACD/HCP4A Bearing a Preferred Choice?
In robotics, S71930 ACD/HCP4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage and sealed design. The P4 tolerance class guarantees consistent performance in demanding applications.

Built for Heavy-Duty Use: S71930 ACD/HCP4A Bearing
For aerospace applications, S71930 ACD/HCP4A Bearing handles both radial and axial loads in landing gear systems. Its chrome steel rings and ceramic balls offer durability under extreme conditions.

Medical vs Industrial: Where S71930 ACD/HCP4A Bearing Excels
In medical imaging devices, S71930 ACD/HCP4A Bearing ensures quiet and precise movement, while in industrial pumps, it withstands continuous heavy loads. The lubricated design extends its service life in both environments.

Automotive vs Aerospace: Applications of S71930 ACD/HCP4A Bearing
S71930 ACD/HCP4A Bearing supports high-performance car transmissions with its angular contact capability. In aircraft engines, its lightweight ceramic balls contribute to fuel efficiency and reliability.

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