cat bearings

good evening everybody, i started going through some parts at my grandpas house today,and stumbled on these d6 bearings.I have not been able to find what model they fit,any help would be nice.Also is there any way to look up parts,and be able to know what they fit ,by the part number? 5f-3717 5f-3679 5f-3578 5f-3700 6n-8752 6n-8759 7n-941 6n-7042 7n-1438 6n-8758,thanks

Call your local Cat dealer ,Parts department should be able to lookup the numbers ,and tell you the models those bearings were used in .Some of those numbers probably change up .

Are these crank shaft bearings ? The 5F bearings look to be something for a D4600, the 6N and 7N are too new for me to look up.

yes they are crankshaft bearings,thanks for looking