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Grinder output spindle

Output spindle: gearbox side

The heavy loads and high temperature, coming from the gear, together with the need for a thin radial dimensions lead to the choice of needle roller bearings for this side of the tool spindle.

Output spindle: grinding wheel side

On the tool side bearings shall sustain the cutting loads (axial and radial) with risk of high misalignment in a dusty environment single row deep groove ball bearings are used. They are equipped with heavy contact rubber seals which ensure a very good resistance to pollution; plastic cages with good elasticity and less sensitiveness to poor lubrication environment for high speed, high acceleration and poor lubrication conditions; special greases for high speed and low leakage performances.

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