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Yep, that's a T47 30mm internal BB. To be fair, there are cheaper alternatives to C-Bear in pretty much every department. Wheels Manufacturing or White Industries T47 BBs are 99 dorrah, for example. Not cheap, but not that much in the great grand scheme of things. Let's face it, if you're even thinking about a T47 BB then it means you're buying an artisinal bespoke frame, which is not going to be a budget option.
Yes, you can. The spacing on a T47 BB is the same as a true BB30 BB system*. That's what I was referring to by 'normal BB30/PF30 cranks' as opposed to BSA30/386EVO cranks which will fit in external bearings fitted in a BSA BB shell, unlike 'normal' BB30 cranks. For example, the S-Works carbon cranks will fit in a T47 BB, but won't fit in a Rotor BSA30 or FSA 386EVO BB.
* At least I hope it is. Otherwise that $300+ plus duty I spent on some T47 taps and T47 BB shells was a total fucking waste of money**.
** Ye Gods but I hate Markup. Why should using asterisks be so smegging hard?