Super Precision Angular Contact Ball Bearings 71960 ACDMA/HCP4A

The 71960 ACDMA/HCP4A is a super precision angular contact ball bearing with a 300mm bore and 420mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle efficiently manages combined radial and axial loads, while the ceramic balls reduce friction for smoother operation.

This bearing can handle dynamic radial loads up to 78975 lbf and static loads up to 126000 lbf, with a maximum speed of 4500 RPM. The phenolic resin cage ensures durability and stability, even under high stress.

Its open design allows for easy lubrication, and it operates reliably in temperatures from -30°C to 110°C. The P4 tolerance class (ABEC-7) guarantees exceptional precision for demanding applications.

Ideal for high-precision machinery like CNC spindles or aerospace equipment, this bearing is interchangeable with SKF models. Weighing 19.4kg, it’s robust yet designed for precision performance.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number 71960 ACDMA/HCP4A
Brand TFL
Interchangeable SKF
Bore Dia 300 mm
Bore Dia Tolerance -0.013mm to 0
Outer Dia 420 mm
Outer Dia Tolerance -0.02mm to 0
Width 56 mm
Width Tolerance -0.3mm to 0
Ball Dia 38.1 mm
Ball Qty 26
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 78975 lbf
Static Radial Load 126000 lbf
Lubrication Lubricated
Temperature Range -30° to 110 °C
Max Speed 4500 rpm
Weight 19.4 kg
Price（$） 869.643

Super Precision Angular Contact Ball Bearings 71960 ACDMA/HCP4A dimension drawing

Download DWG Download PDF

Features

Performance Features of 71960 ACDMA/HCP4A Bearing

71960 ACDMA/HCP4A Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance in high-speed applications.

The phenolic cage ensures smooth operation, even at speeds up to 4,500 rpm.
With a dynamic radial load capacity of 78,975 lbf, it delivers reliable performance under heavy loads.

71960 ACDMA/HCP4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its precision P4 tolerance class ensures consistent performance in demanding conditions.

Application

Industrial Uses of 71960 ACDMA/HCP4A Bearing
71960 ACDMA/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In aerospace applications, 71960 ACDMA/HCP4A Bearing supports critical components like turbine shafts, thanks to its robust chrome steel construction. The phenolic cage adds durability while maintaining lightweight performance.

For automation systems, 71960 ACDMA/HCP4A Bearing excels in robotic arms, providing smooth movement under angular loads. Its P4 tolerance class ensures consistent performance in repetitive tasks.

Medical imaging devices benefit from 71960 ACDMA/HCP4A Bearing’s precision, ensuring reliable operation in MRI machines. The open design allows for easy lubrication, extending service life.

In heavy industrial equipment, 71960 ACDMA/HCP4A Bearing handles radial and axial loads in gearboxes. Its matched arrangement option simplifies installation in complex machinery setups.