I recently modified our factory table sliders and thought I'd share the results.
I wanted to add a sturdier option to the factory sliders. In my research it was very difficult to find sliders that would work well. Most people suggested using standard drawer sliders, which weren't robust enough for my liking.
I discovered Accuride (model 0363) makes a two way slide (goes both directions) that is very sturdy. The only challenge is that they aren't cheap ($115+/pair). The result is a very sturdy slide that extends 16- 20" in each direction depending on the length of slide and has virtually no wobble. Here is the link for the slides:
https://www.accuride.com/en-us/products/0363
FYI-I have this mounted to a Springfield pedestal, but it should work fine with the standard pedestal as well. A couple of extra modifications I made to this set up were: 1. upgrading to a 3/4" plywood base platform, 2. epoxying the screw heads into the sliders. This is especially important when attaching the screws to the table top since it is very soft wood and could easily strip out. Additional tips: be sure that your mounting screw heads are not too wide as they will make contact with the sliders, match your plywood base platform to your slider length.
I anticipate that this mod will bring years of smooth, sturdy table sliding!
Dan