2 PCS 40 mm x 100 mm Nylon Roller Wheel with Bearings, CNC Guiding Wheel Flat Belt Idler 40 MM Diameter 100 MM Width 10 MM Bearing Bore: Amazon.com: Industrial & Scientific
Nylon Roller (Pin/Screw Included) – Window Hardware Direct
CRL D1641 1-1/8" Flat Nylon Ball Bearing Sliding Glass Door Roller for Harrow Doors
Amazon.com: Skelang 6" Slide Gate Guide Roller with Post Welded Bracket, UHMW Hard Nylon Sliding Rolling Gates Guider, Heavy Duty Sealed Ball Bearing Side Roller Assembly, Pack of 2 : Tools &