Broan-NuToneBroan C350BN Replacement Motor/Wheel 50 CFM (NuTon

Will this work on a Nutone 690 through 696A unit?

how do I take the old one off?

Will this work on a NuTone 695 70cfm?

The plastic grill is 9" square and says broan. nearly 20 yo, model# indistinguishable. how to remove motor from plate? plate with tabs won't come out?