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 &
H-groove Width 45mm,nylon Grooved Roller Diameter 70mm,thickness 65mm,nylon Rollers/wheels With Double 6201rs Bearings. - Door Rollers - AliExpress
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
Amazon.com: Nylon Garage Door Rollers 13 Ball Sealed Bearing Lot of 100 - Nylon Garage Door Roller with 13-Ball Bearing - Heavy Duty 13 Ball Garage Door Rollers Sealed Bearings - Nylon
DuraGates 10" Side Nylon Roller 253 (Steel) For Support - Cantilever Sliding Gate Hardware | Cantilever Gate Parts
Contact-O-Max Sr 5"x5" No Hub Nylon Roller | Hog Slat
82 x 100mm Nylon Roller | 25mm Axle Diameter (NY417-M25WHT) - Richmond Wheel & Castor Co
Prime-Line 1-1/4 in., Nylon Ball Bearing, Sliding Door Roller Set (2-pack) D 1798 - The Home Depot
Nylon Pulley 4 pcs 2 inch Nylon Roller Wheel with Bearings, CNC Guiding Wheel Flat Belt Idler (2 in Diameter - 1 in Wide - 1/2 in Bearing): Amazon.com: Industrial & Scientific
Prime-Line 1-1/2 in., Nylon Roller with Ball Bearing Replacement (2-pack) D 1506 - The Home Depot