Squeeling coming from front end...

I looked up the bearings on the website you gave me and it gives me so many options...

Master Pro Bear/Seal Wheel Bearing Wheel Bearing: Front Outer

Master Pro Bear/Seal Wheel Bearing Wheel Bearing: Front Inner
SKF Bearing Wheel Bearing: Front; Inner; Drum Brakes; 2 Required Per Vehicle
SKF Bearing Wheel Bearing: Front; Outer; Drum Brakes; 2 Required Per Vehicle

And more... What do I need exactly?