TOOLCRAFT TO-5137890 Fixed wheel Load capacity (max.): 50 kg

Bearing type: Plain bearing; Hole distance: 38 x 38/48 x 48 mm; Hub length: 24 mm; Load capacity (max.): 50 kg; Material: Rubber; Swivel caster features: Solid rubber; Total height: 65 mm; Wheel diameter: 50 mm; Wheel width: 20 mm

Price: 2.99 from Conrad Electronic