Graphitized carbon powder are produced by carbonizing and expanding a pitch by heating to form carbonaceous foam and by graphitizing before pulverizing or graphitizing after pulverizing the carbonaceous foam. The double row rolling bearing has an outer member with a body mounting flange mounted on a knuckle and double row outer raceway surfaces. Additionally the system can be used as a means of limiting network access, filtering programming, providing on-screen graphics or audible signals for particular programming types or providers, bookmarking programming, profiling network users, targeting advertising, and simplifying network transactions.