Combined needle roller/thrust ball bearings

Combined needle roller / thrust ball bearings for compact housing designs

Combined needle roller / thrust ball bearings are compact rolling components that integrate a radial needle roller bearing and a thrust ball bearing into a single design. Consequently, they simultaneously accommodate radial and axial loads, occupying less space than two separate bearings mounted individually.

Application and characteristics

This bearing type performs exceptionally well in systems where a shaft or rotating component is subjected to both transverse and longitudinal loads, and the available mounting space is restricted. The needle roller section is responsible for accommodating radial loads, whereas the thrust ball section absorbs axial loads acting in one direction.

Combined needle roller / thrust ball bearings are utilized in applications such as:

• industrial gearboxes and compact drivetrain systems,
• machine tools and mechanisms requiring rigid shaft guidance,
• pumps, motors, and rotating assemblies,
• industrial automation and equipment with restricted installation space.

In many designs, the thrust section is protected by a cover that forms a gap-type seal, which helps retain the grease inside the bearing. This improves operating conditions and minimizes the risk of premature wear in the bearing arrangement.

Key advantages

• Compact design – combining the functions of a radial and thrust bearing within a single component.
• Radial load accommodation – the needle roller section provides high load capacity with a small cross-section.
• Axial load accommodation – the thrust ball bearing absorbs forces acting along the shaft axis.
• High arrangement rigidity – stable operation in mechanisms with limited mounting space.
• Enhanced lubrication conditions – the cover on the thrust section helps maintain grease within the bearing's operating zone.

Product line and manufacturers at e-marat.pl

At e-marat.pl, we offer NKE combined needle roller / thrust ball bearings engineered for industrial applications. We will assist you in selecting the proper bearing based on radial and axial loads, direction of force, housing dimensions, as well as rigidity and lubrication requirements.

Choose combined needle roller / thrust ball bearings and optimize your bearing arrangement layout within limited mounting space.