Back Filter the content Wheel diameter (mm) All 80 100 125 150 200 Load capacity (kg) All 40 150 200 300 500 Material wheel All Heat-Resistant Bearing All Ball bearing Plain bearing Hub bore (mm) All 8 12 15 20 Hub width (mm) All 39 40 44 45 58 1 - 3 from 3 Back HEAT-Resistant non-marking silicone rubber wheels with ball bearing 250°C HEAT-Resistant phenolic resin wheels and PTFE bushing - 300 ° C PTFE Bushings INOX fitting to Heat-Resistant wheel Ø 80 - 100 mm 300°C 1 - 3 from 3