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Super Precision Angular Contact Ball Bearings S71915 ACD/HCP4A

Super Precision Angular Contact Ball Bearings S71915 ACD/HCP4A

The S71915 ACD/HCP4A is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 7605 lbf.

Sealed for protection, this bearing reaches speeds of 13,000 RPM and works in temperatures from -30°C to 110°C. The phenolic cage adds durability while keeping it lightweight at just 0.3kg.

Designed for precision, it meets P4 (ABEC-7) tolerance standards and is interchangeable with SKF models. Ideal for high-speed applications like machine tool spindles or precision equipment where accuracy is key.

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Product Parameters

  • Part Number S71915 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 105 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 26
  • 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 7605 lbf
  • Static Radial Load 7988 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 13000 rpm
  • Weight 0.3 kg
  • Price（$） 885.744
Super Precision Angular Contact Ball Bearings S71915 ACD/HCP4A dimension drawing
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Features

Why Choose S71915 ACD/HCP4A Bearing for Precision Tasks?

S71915 ACD/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its ceramic balls and chrome steel rings ensure minimal friction and extended service life.

The phenolic cage maintains ball alignment, reducing wear and enhancing performance.
With a dynamic radial load capacity of 7605 lbf, it excels in demanding applications.

S71915 ACD/HCP4A Bearing operates smoothly at speeds up to 13,000 rpm, making it suitable for high-speed machinery.
Its sealed design keeps contaminants out, ensuring reliable operation in various environments.

The P4 tolerance class guarantees exceptional accuracy, meeting the needs of precision instruments.
Lubrication is pre-applied, reducing maintenance requirements and downtime.

Application

Super Precision Angular Contact Ball Bearings S71915 ACD/HCP4A is commonly used in high-speed machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for precision grinding applications.

In robotics, S71915 ACD/HCP4A provides smooth motion control for articulated arms, thanks to its phenolic cage and P4 tolerance class. The sealed design also keeps contaminants out, extending service life in demanding environments.

For aerospace components, S71915 ACD/HCP4A’s matched arrangement and preload options enhance stability in flight control systems. Its lightweight construction and high-speed capability make it a reliable choice for critical aviation applications.

In medical imaging devices, S71915 ACD/HCP4A’s low friction and high precision contribute to quieter operation and sharper image quality. The chrome steel rings ensure durability even with frequent use.

Automotive electric motors benefit from S71915 ACD/HCP4A’s ability to handle combined loads efficiently. The lubricated design reduces maintenance needs, making it suitable for hybrid and electric vehicle drivetrains.

Q&A

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