Check the different cam manufacturers tech pages in their catalogs or on their web sites
Crane, Erson , Isky & Comp usually will have this information in their master catalogs or tech sections.
Sometimes it takes some digging to find it other times its right out there in the open.
Some manufacturers offer no such tech information on their websites.
They assume persons buying their products will use already tried and true methods that are usually in the general knowledge base in books and on the net.
The two attached articles are from Crane & Erson