Single Bearing U Groove Heavy Duty Steel Pulley Roller Sliding Gate Wheel with Exterior Bracket - China China V Groove Caster Wheels, Sliding Door Roller | Made-in-China.com
6 Inch 4-Pack Heavy Duty Steel Cast Iron Caster Wheels with Rolling Be – Essentials Hero
4" x 2" Heavy Duty Solid Steel Wheel - 2,500 Lbs Capacity - Mapp Caster
60mm Dia Steel Bearing Steel Groove Rigid Caster Wheel V Shape U Type 2inch Heavy Duty Pulley Groove Wheel for Sliding Door - AliExpress
4" x 2" Heavy Duty Steel Wheel - caster wheel distributing company, heavy equipment, caster wheels online
Casters Heavy Duty Casters, V-groove Wheels, Rigid Steel Caster Wheel, V Steel Sliding Door Roller, For Reverse Track, Rolling Door, Load Capacity 300 | Fruugo ES