2 PCS / 2 Inch x 4 Inch Nylon Roller Wheel with Bearings CNC Guiding Wheel Flat Belt Idler 2" Diameter 4" Width 1/2 Bearing Bore: Amazon.com: Industrial & Scientific
Contact-O-Max Jr 4"x 4" Nylon Roller | Hog Slat
DURA-LIFT Ultra-life max 2-in dual cage, sealed 6200ZZ bearing 10-Pack Gold Nylon Garage Door Roller in the Garage Door Parts & Hardware department at Lowes.com
Nylon Roller Wheel - Practice Sports
2 Inch Nylon Roller Wheel with Bearings, CNC Guiding Wheel Flat Belt Idler (1" Wide - 1/2" Bearing): Amazon.com: Industrial & Scientific
Premium 6200Z Nylon Garage Door Rollers | DURA-LIFT Door Hardware®
Nylon Wheels
Prime-Line 1-1/2 in., Nylon Roller with Ball Bearing Replacement (2-pack) D 1506 - The Home Depot
40 mm Nylon Roller Wheel Plastic Bearing CNC Guiding Wheel Flat Belt Idler | eBay
The ROP Shop 2" Nylon Garage Door Roller with 4" Stem & 11-Ball 6200ZZ Precision Bearing - The Rop Shop
CRL D1641 1-1/8" Flat Nylon Ball Bearing Sliding Glass Door Roller for Harrow Doors
Contact-O-Max Sr 5"x5" No Hub Nylon Roller | Hog Slat