front wheel bearings? disc brakes? rotor replacement and new bearings (don't forget to pack the bearings w/ GREASE!) cost me almost 100 bux (for the parts)and a 12 pack for my buddy to do the work.. for both front wheel bearings/rotors..
inner outer bearings both sides,48.00 parts bearing packing,labor 2 hours book time.depending on labor costs in your area,an extra 75to100.so 125 to 150 in shop.parts and grease 55.00 if ure a do it yourselfer.
which part of the car are you talking about? the CV joint? does it knock when you turn left or right?