INA – Machined needle roller bearings

 

 

Needle roller bearings with ribs: The outer ring forms a self-retaining unit with the needle roller and cage assembly. These radially compact bearings with high load capacity are highly suitable for designs with limited radial space. The bearings are available with and without inner ring and in both sealed and open versions.

Bearings without an inner ring are the best solution for bearing arrangements where the shaft can be hardened and ground.

Needle roller bearings with an inner ring are used if the shaft is not configured as a rolling bearing raceway.

 

Needle roller bearings without ribs: These types of bearings are not self-retaining, this means that the outer ring, needle roller, cage assembly and inner ring can be fitted independently of each other. This makes fitting of the bearings considerably easier.

The bearings are available with and without an inner ring and in single and double row designs. Bearings without an inner ring are used if the shaft is hardened and ground.

 

Aligning needle roller bearings: These have a raceway ring with a spherical outside surface and concave support ring. As a result, they can compensate for static misalignment of the bearing axis by up to 3°C, but are not suitable for supporting swivel or tumbling motion.

The bearings are available with and without an inner ring. Bearings without an inner ring are used if the shaft is hardened and ground.

 

Combined needle roller bearings: These combine needle roller bearings and radial bearings with an axial component capable of supporting loads. They are used as locating or semi-locating bearings and do not permit any skewing between the shaft and housing.

The bearings are available with and without an inner ring. Bearings without an inner ring are used if the shaft is hardened and ground.

 

Inner rings: Inner rings are used as raceways for rolling elements or seal lips where the shaft is unsuitable for this purpose. Where there is considerable axial displacement between the shaft and housing, wider inner rings can be used.

 

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