60mm is the fan size.
That Duron is the exact same thing as a Thoroughbred "B" DLT3C chip - except half the cache is disabled, and it might be multiplier locked.
If it is unlocked... you're lucky, and it will do quite well - even if it is locked 2200 MHz should be abreeze - although the low stock multi may prevent you from getting it higher due to motherboard FSB restrictions. Being a really new week (41) it should outperforum all the older Thoroughbred "B" DLT3C 1800+ chips overclockability-wise once you unlock the extra L2 cache.
Good luck!