Answer / jitendra vijay

Ball Bearing are mainly used for light and medium radial loads and light axial load also. One of the races has to be fixed.

But in case of journal bearing, housing need not to be fixed, can take much higher radial loads, can not carry axial load.
Needs circulating lubricating agent,

Answer / dhiraj kumar singh

ball bearings are placed inside the machinary items and
journal bearings are fitted over some part of the shaft
used in machine..........

Answer / ramesh

ball bearing has used higher rpm
journal bearing has used sloe rpm it not taken axial load
,radial load to be taken

Answer / syam

in BB shaft rotated on balls support in case JB rotates on
coller nad in BB less friction occours

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