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Super Precision Angular Contact Ball Bearings 71915 ACE/HCP4A

Super Precision Angular Contact Ball Bearings 71915 ACE/HCP4A

The 71915 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 at high speeds.

With a dynamic radial load capacity of 4770 lbf, this bearing can handle demanding applications while maintaining precision. Its phenolic cage ensures durability and reduces friction, making it suitable for speeds up to 29,000 RPM.

The open design allows for easy lubrication, and the P4 tolerance class guarantees exceptional accuracy. Ideal for high-performance machinery like spindles or robotics, where precision and reliability are key.

Weighing just 0.29kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a versatile choice for replacements or upgrades. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71915 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 Open
  • Matched Arrangement Available
  • 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 29000 rpm
  • Weight 0.29 kg
  • Price（$） 738.621
Super Precision Angular Contact Ball Bearings 71915 ACE/HCP4A dimension drawing
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Features

Performance Features of 71915 ACE/HCP4A Bearing

71915 ACE/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 29,000 rpm, it is ideal for high-speed applications.

How Is 71915 ACE/HCP4A Bearing Engineered for Reliability?

71915 ACE/HCP4A Bearing features a P4 tolerance class, providing exceptional accuracy for precision tasks.
The ceramic balls reduce weight and friction, contributing to smoother operation.
Its dynamic radial load capacity of 4770 lbf ensures reliable performance under stress.
The open design allows for easy lubrication, extending the bearing’s service life.

Designed for Durability: 71915 ACE/HCP4A Bearing

71915 ACE/HCP4A Bearing’s chrome steel construction offers excellent resistance to wear and tear.
The phenolic cage is lightweight and durable, reducing operational noise.
With a temperature range of -30° to 110°C, it performs well in various environments.
Its matched arrangement option provides added stability for demanding applications.

Steel vs Ceramic Bearings: Strengths of 71915 ACE/HCP4A Bearing

71915 ACE/HCP4A Bearing combines chrome steel rings with ceramic balls for optimal performance.
This mix provides higher speed capabilities and reduced friction compared to all-steel designs.
The bearing’s 23 ceramic balls ensure smooth rotation and long-term reliability.
Its ABEC-7 precision rating makes it suitable for high-accuracy machinery.

Application

Common Applications of 71915 ACE/HCP4A Bearing
71915 ACE/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for demanding machining tasks.

In robotics, 71915 ACE/HCP4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage and P4 tolerance class. Its lightweight construction also helps improve energy efficiency in automated systems.

For aerospace applications, 71915 ACE/HCP4A Bearing handles both radial and axial loads in components like gyroscopes. The open seal design allows for easy lubrication, extending service life in critical flight systems.

Medical imaging devices benefit from 71915 ACE/HCP4A Bearing’s low vibration and high-speed capabilities. The chrome steel rings ensure durability, while the ceramic balls maintain precision in sensitive diagnostic equipment.

In electric vehicle motors, 71915 ACE/HCP4A Bearing supports high RPM operation with minimal heat generation. Its matched arrangement option further enhances performance in compact motor designs.

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