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Super Precision Angular Contact Ball Bearings S71915 ACE/HCP4A

Super Precision Angular Contact Ball Bearings S71915 ACE/HCP4A

The S71915 ACE/HCP4A is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This sealed bearing handles dynamic radial loads up to 4770 lbf and reaches speeds of 18,500 RPM. Its phenolic cage ensures durability, while the P4 tolerance class guarantees precise performance.

Preloaded for stability, it’s ideal for high-speed applications like machine tool spindles or precision instruments. The lubricated design reduces maintenance needs.

Weighing 0.29kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a reliable choice for replacements. Suitable for temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71915 ACE/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 23
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4770 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 18500 rpm
  • Weight 0.29 kg
  • Price（$） 885.834
Super Precision Angular Contact Ball Bearings S71915 ACE/HCP4A dimension drawing
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Features

Engineered for Precision: S71915 ACE/HCP4A Bearing

S71915 ACE/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, ensuring smooth operation even at high speeds.
With a dynamic radial load capacity of 4770 lbf, it delivers reliable performance in demanding conditions.
The phenolic cage maintains ball alignment, enhancing durability and reducing maintenance needs.

Application

Super Precision Angular Contact Ball Bearings S71915 ACE/HCP4A excels in high-speed machine tool spindles, where its 25° contact angle ensures smooth rotation under heavy loads. The ceramic balls reduce friction, making it ideal for precision machining applications.

In aerospace components, S71915 ACE/HCP4A provides reliable performance in actuators and control systems, thanks to its P4 tolerance class. The phenolic cage offers excellent heat resistance, crucial for demanding flight conditions.

For robotics, S71915 ACE/HCP4A is a go-to choice for articulated arms requiring both speed and accuracy. Its sealed design keeps contaminants out, ensuring long service life even in dusty environments.

Medical imaging devices benefit from S71915 ACE/HCP4A’s low vibration and high rigidity, essential for clear diagnostic results. The lubricated construction minimises maintenance needs in critical healthcare settings.

In electric vehicle motors, S71915 ACE/HCP4A handles angular loads efficiently while operating quietly at high RPMs. The metric dimensions make it compatible with most European and Asian EV designs.

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