If that fixes the problem buy some torrington bearings (they actually sell them on Amazon.com). You just need to find out what your spring diameter is. You need one bearing and two washers per side.
Here is a link to some 2.5" bearings:
http://www.amazon.com/Torrington-NTA...6253636&sr=1-5
Here's a link to the 2.5" washers/race:
http://www.amazon.com/Torrington-TRA...253636&sr=1-21