Stephen T Surprise , AZ September 08, 2014 Appliance: Jenn-Air Self Cleaning Free Standing Gas Range JGR8850ADB Jenn-Air Range Jgr8850adb: Bottom drawer of stove was hard to open and close one of the four rollers was missing!. How to replace Roller W/Shaft. Easily found the required parts at AppliancePartsPros.com, ordered, picked from mailbox in a few days, and installed in a matter of minutes. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes