Welcome to ECN.
READ Article 332 of '02 NEC (New Jersey)
You can 'fish' MI, and based on a quick read I did not notice any restrictions on putting it in a raceway
WATCH the bend radius, it's based on the OD, & you probably fall in the '9 times'. You need the OD to decide on conduit size. As to PVC, what is the rating of the 'shaft'