Ball Bearing 6406 ZZ NSK 30x90x23

Single-row ball bearing with metal shields

High durability and stable operation in industrial applications

Main product description

The 6406 ZZ NSK deep groove ball bearing 30x90x23 is a single-row ball bearing designed for reliable operation under radial loads and moderate axial loads in both directions. In the Polish and European markets, this bearing is commonly searched under phrases such as “6406 ZZ NSK”, “deep groove ball bearing 6406”, and “ball bearing 30x90x23”, confirming its widespread use in industrial machinery and maintenance applications.

The ZZ designation indicates metal shields on both sides of the bearing. These shields protect the internal components against solid contaminants while retaining the factory-applied lubricant. As a result, the bearing is practically maintenance-free and suitable for long-term operation in standard industrial environments.

Deep groove ball bearings are known for low friction, quiet running and the ability to operate at relatively high rotational speeds. The precisely machined raceways and rolling elements of the 6406 ZZ NSK bearing ensure smooth performance, consistent load distribution and high durability throughout the service life of the complete bearing unit.

With dimensions 30x90x23, this bearing fits standard bearing housings and is commonly used in industrial applications such as electric motors, gearboxes, pumps, fans, conveyors and production machinery. It is suitable both for new equipment and for replacement or refurbishment of existing mechanical systems.

The 6406 ZZ NSK bearing is a practical choice for B2B customers seeking a dependable, dimensionally stable and long-lasting ball bearing for continuous industrial operation.

FAQ - Frequently Asked Questions

What type of bearing is the 6406 ZZ NSK?
It is a single-row deep groove ball bearing with metal shields.

What loads can this bearing support?
Radial loads and moderate axial loads in both directions.

Does the bearing require relubrication?
No, it is factory-lubricated and designed for maintenance-free operation.

What are the exact dimensions of the bearing?
Inner diameter 30 mm, outer diameter 90 mm, width 23 mm.

Where is the 6406 ZZ bearing commonly used?
In motors, gearboxes, pumps, fans and general industrial machinery.