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Super Precision Angular Contact Ball Bearings 71915 ACB/P4A

Super Precision Angular Contact Ball Bearings 71915 ACB/P4A

The 71915 ACB/P4A 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 efficiently manages combined radial and axial loads, making it versatile for demanding setups.

This bearing spins smoothly at speeds up to 24,000 RPM, thanks to its phenolic cage and precise P4 tolerance class. It handles dynamic radial loads of 2992 lbf and operates reliably between -30°C and 110°C.

Its open design allows easy lubrication, while the chrome steel balls ensure durability. The preload option enhances stability in high-precision applications.

Ideal for machine tools, spindles, or other equipment requiring tight tolerances and smooth performance. Weighing 0.37kg, it’s a robust yet lightweight choice for precision engineering.

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Product Parameters

  • Part Number 71915 ACB/P4A
  • 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 6.35 mm
  • Ball Qty 34
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2992 lbf
  • Static Radial Load 2812 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 24000 rpm
  • Weight 0.37 kg
  • Price（$） 738.675
Super Precision Angular Contact Ball Bearings 71915 ACB/P4A dimension drawing
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Features

Why Choose 71915 ACB/P4A Bearing for Precision Tasks?

71915 ACB/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
The chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 2992 lbf.

With a maximum speed of 24,000 rpm, it delivers smooth operation in demanding high-speed scenarios.
The phenolic cage maintains ball alignment, reducing friction and enhancing longevity.

Its P4 tolerance class (ABEC-7) guarantees exceptional precision for critical applications.
The open design allows for easy lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 71915 ACB/P4A Bearing
71915 ACB/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding industrial environments.

How Does 71915 ACB/P4A Bearing Improve Performance?
In automotive applications, 71915 ACB/P4A Bearing enhances gearbox performance by handling combined radial and axial loads smoothly. Its phenolic cage reduces friction, making it suitable for high-speed transmissions.

Perfect Fit for Automation: 71915 ACB/P4A Bearing
71915 ACB/P4A Bearing is ideal for robotic arms, providing stable movement with minimal vibration. The P4 tolerance class ensures consistent performance in repetitive tasks, crucial for automated production lines.

Medical vs Industrial: Where 71915 ACB/P4A Bearing Excels
71915 ACB/P4A Bearing is reliable in medical imaging devices, offering quiet operation and precision. In industrial settings, its chrome steel construction withstands heavy loads in pumps and compressors.

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