72 sliding door track

Load capacities vary by kit: examples include support up to 150 lb per door, while some tracks are rated to bear up to 350 lb.

Typical kits include the track, roller/wheel assemblies, stoppers, floor guides, and a screw/fastener installation kit; some kits also include basic tools such as a wrench and an installation manual.

Many kits use nylon rollers or nylon‑wheel hangers—often three‑wheel hangers—or wear‑resistant nylon wheels with inner bearings for smoother, quieter operation.

A dual‑track or stacked‑track bypass design provides two separate sliding paths so two doors can glide past one another; this configuration is commonly called bypass hardware.

Kits commonly include door stops, floor guides, and anti‑jump or anti‑swing elements to prevent derailment and keep doors tracking straight.

Many kits emphasize quiet, ultra‑smooth sliding thanks to nylon rollers and note durability testing—for example, some listings reference passing over 100,000 sliding cycles.