Super Precision Angular Contact Ball Bearings 71912 ACD/P4A

The 71912 ACD/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle efficiently manages both radial and axial loads, making it versatile for demanding applications.

With a dynamic radial load capacity of 4185 lbf, it handles high speeds up to 22,000 RPM smoothly. The phenolic cage ensures durability and reduces friction, while the open design allows for easy lubrication.

This bearing meets P4 (ABEC-7) tolerance standards, ensuring exceptional accuracy. Ideal for precision machinery like spindles or CNC equipment where tight tolerances are crucial.

Weighing just 0.19kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, it’s a reliable choice for industrial and engineering applications.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number 71912 ACD/P4A
Brand TFL
Interchangeable SKF
Bore Dia 60 mm
Bore Dia Tolerance -0.007mm to 0
Outer Dia 85 mm
Outer Dia Tolerance -0.008mm to 0
Width 13 mm
Width Tolerance -0.2mm to 0
Ball Dia 7.938 mm
Ball Qty 24
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 4185 lbf
Static Radial Load 3285 lbf
Lubrication Lubricated
Temperature Range -30° to 110 °C
Max Speed 22000 rpm
Weight 0.19 kg
Price（$） 114.327

Super Precision Angular Contact Ball Bearings 71912 ACD/P4A dimension drawing

Download DWG Download PDF

Features

Performance Features of 71912 ACD/P4A Bearing

71912 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 4185 lbf, it handles demanding conditions reliably.

The P4 tolerance class guarantees high precision, making it suitable for critical applications.

Application

Common Applications of 71912 ACD/P4A Bearing
71912 ACD/P4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for high-speed operations up to 22,000 rpm.

In robotics, 71912 ACD/P4A Bearing provides smooth motion control for articulated arms and joints, thanks to its P4 tolerance class. Its chrome steel construction offers durability in repetitive, high-stress movements.

For aerospace applications, 71912 ACD/P4A Bearing’s lightweight design and precision performance are ideal for navigation systems and flight control mechanisms. The lubricated setup ensures reliability even in extreme temperature ranges.

What Makes 71912 ACD/P4A Bearing a Preferred Choice?
71912 ACD/P4A Bearing is a go-to for spindle drives in CNC machines, where its preload capability reduces vibration and improves cutting accuracy. The metric sizing fits seamlessly into European and Asian equipment standards.

In medical imaging devices, 71912 ACD/P4A Bearing’s low-noise operation and high-speed tolerance enhance the performance of MRI and CT scanners. The phenolic cage minimises friction, extending service life in critical healthcare environments.

Built for Heavy-Duty Use: 71912 ACD/P4A Bearing
71912 ACD/P4A Bearing excels in industrial pumps and compressors, handling both radial and thrust loads with ease. Its chrome steel balls and rings withstand continuous operation in demanding conditions.

For automotive testing equipment, 71912 ACD/P4A Bearing’s precision ensures reliable data collection during performance trials. The ABEC-7 tolerance guarantees consistency in high-accuracy measurements.