I can't believe a bad rear bearing will make the steering wheel shake like an out of balance front wheel does, that's what I understood the OP to be saying.....not that the whole car is shaking. I'm glad he found his problem but I'm not buying the rear bearing makes the steering wheel wobble thing......
Update, especially for magneto. Rear offside bearing replaced, vibration gone. I cant explain why a rear wheel bearing would cause the front nearside wheel to cause a vibration , but it fixed so I'm happy. Thanks for all your advise guys