- MATERIAL COMPOSITION SHOULD PROVIDE STRENGTH AND DUCTILITY TO ENDURE THE SERVICE LOAD WITHOUT SHOWING SIGNS OF DEFORMITY, YIELDING AND CRACKING.
- IT SHOULD WITHSTAND MAXIMUM DYNAMIC LOADING WITHOUT CAUSING OVERHEATING OR FAILURE.
- IT SHOULD HAVE LOW MELTING POINT AS ITAVOID SEIZURE IN EXTREME HEATING, BUT IN MODERATE TEMPERATURE IT WILL CAUSE WIPING AND HENCE ADJUST ITSELF PROVIDED LUBRICANT SUPPLY IS NOT HINDERED.
- CONFORMABILITY :- IT MAKES BEARING SURFACE TO BED IN AND ADJUST ON HARD SPOTS AND EDGE LOADING.
- EMBEDDEBILITY :- IS A PROPERTY OF BEARING METAL WHICH WILL PERMIT INADVERTENTLY INTRODUCED HARD METAL TO SINK IN BEARING SURFACE AND THUS THE SURFACE OF JOURNAL WILL NOT BE SCORED.
- IT SHOULD BE RESISTANTTO ACID CORROSION
