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Axial tapered roller bearings for rolling mills

Tapered roller thrust bearings allow the creation of compact axial systems; they are able to withstand very high axial loads, are unresponsive to shocks and are very rigid.
Since they can be dismantled, the types with cage can be installed by mounting the two washers and the cage roller unit separately and easily. Tapered roller thrust bearings are mainly used in rolling mills, in combination with radial multi-row cylindrical roller types.
Since double direction tapered roller thrust bearings are normally fitted with a loose fit both on the cylinder neck and in the chock housing, to prevent rotation on the seat, the shaft washer is provided with one or two stop slots, into which to insert a key or something similar.

 

Dimensions

The dimensions of the tapered roller thrust bearings have not been unified.

 

Tolerances

With some exceptions, the bore and internal diameter tolerances of double direction tapered roller thrust bearings are normal according to ISO 199-1979.
The tolerances on height and rotation precision differ from normal values ​​instead.
Upon request, information on the values ​​relating to a specific bearing is given.

 

Misalignment

Axial tapered roller bearings with flat washers do not allow any misalignment of the shaft with respect to the housing or any squaring error of the supporting surfaces.

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