Armature Shaft Bearings
For small machines roller bearings are used at both ends. For large machines roller bearings are used at driving end and ball bearings at non driving or commutative end.Sometimes pedastal bearings are also used for large machines.The bearings are housed in the endshield.The figure below shows a pedestal bearing.
Written by John on September 16th, 2008 with
no comments.
Read more articles on Construction of D.C. Machines and Direct Current Machines and Electrical Machines.