Amazon.com: Ultimation Conveyor Rollers - Galvanized Steel Replacement, 1.5" Diameter, 10" Between Frame,18 Ga. Galvanized Steel Tube, Durable Rollers for Smooth Movement, Ideal for Conveyor Systems - Pack of 5 : Industrial & Scientific
Cinta Transportadora De Rodillos De Acero Inoxidable, 25mm De Diámetro, Rodillo Sin Potencia, Línea De Montaje De Tubos, Rodillo Con Rodamiento - Rodamientos - AliExpress
Amazon.com: 4 Heavy Duty Weld on Steel Micro 2 Inches Roller Heavy Duty Steel Mini Wheel Grease Fitting RV Trailers Caster : Automotive
Roller with Axel (Steel) from TRUSCO NAKAYAMA | MISUMI
4" Heavy Duty Steel Slip Roller - Cammeck Equipment