Rogers Blackberry be used as Bell Phone?

Yes,You will do it.
But your phone should be unlocked one.If it's locked means,you will need to unlock your phone.For unlocking you can approach your service provider or else try to buy an unlocking service from any one of the online unlocking service provider like UnBBLock.com Here you can unlock your Rogers network locked Blackberry curve 8310 phone at low cost.Once unlock your phone,you will be able to use with bell network service.