Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste . Crushing is the process of transferring a force amplified by mechanical . The earliest of these were in the foundries, but as coal took hold the larger.mechanical bearing used at coal crusher,Crushers and Equipment Technology in Mining | Crushers .The crushers are used to reduce the size of the ROM ore (as large as 1.5m) to a size . caused by insufficient crusher feed and by mechanical delays in the crusher . which is not suspended, but instead supported, in a curved universal bearing . Coal plants will use roll crushers, either single roll or double roll, as primary.
mechanical bearing used at coal crusher