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Super Precision Angular Contact Ball Bearings 71915 ACD/P4A

Super Precision Angular Contact Ball Bearings 71915 ACD/P4A

The 71915 ACD/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 thrust loads, suitable for high-speed applications up to 17,000 RPM.

The phenolic cage ensures smooth operation and reduces friction, while the open design allows for easy lubrication. With a dynamic radial load capacity of 7605 lbf, it’s built to handle demanding conditions.

This bearing meets P4 (ABEC-7) tolerance standards, ensuring exceptional accuracy. It’s ideal for precision machinery like CNC spindles or high-performance motors.

Weighing 0.35kg, it balances durability and lightweight design. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 71915 ACD/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 9.525 mm
  • Ball Qty 26
  • 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 7605 lbf
  • Static Radial Load 7988 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.35 kg
  • Price（$） 738.441
Super Precision Angular Contact Ball Bearings 71915 ACD/P4A dimension drawing
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Features

Performance Features of 71915 ACD/P4A Bearing

71915 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 7605 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 17,000 rpm.
Precision-engineered to P4 tolerance class, it delivers consistent performance in demanding conditions.

71915 ACD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, reducing friction and extending service life.

With a static radial load capacity of 7988 lbf, it provides reliable support for heavy-duty applications.
The 26-ball configuration ensures balanced load distribution, minimising wear and tear.

Application

Common Applications of 71915 ACD/P4A Bearing
71915 ACD/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle performance. The open seal type allows for efficient lubrication, extending service life in demanding conditions.

In automotive applications, 71915 ACD/P4A Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads smoothly. Its phenolic cage reduces friction, making it suitable for high-speed rotations.

For robotics, 71915 ACD/P4A Bearing provides reliable motion control in robotic arms and automated systems. The P4 tolerance class ensures minimal vibration, crucial for precise movements.

Medical imaging devices benefit from 71915 ACD/P4A Bearing’s consistent performance and low noise levels. The chrome steel construction offers durability in sterile environments.

In 3D printers, 71915 ACD/P4A Bearing ensures smooth linear motion, contributing to high-quality prints. Its lightweight design and high-speed capability make it a practical choice for additive manufacturing.

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