Back Filter the content Wheel diameter (mm) All 45 50 53 60 62 65 70 73 75 80 100 108 120 125 126 130 145 150 175 210 230 300 Load capacity (kg) All 20 30 35 40 45 50 55 80 85 90 100 140 150 200 210 270 280 300 380 400 410 500 700 800 900 1000 1200 1500 2000 3000 Material wheel All Polyamide cast iron / steel Bearing All Ball bearing Plain bearing Hub bore (mm) All 8 10 12 15 16 20 25 30 38 40 Hub width (mm) All 11 16 17 18 20 22 25 27 28 29 30 32 34 40 42 45 47 52 60 70 90 1 - 5 from 5 Back Polyamide double flanged wheels with plain bearing Polyamide grooved wheels with plain bearing Polyamide flanged wheels with plain bearing Flanged Solid cast iron wheels with plain bearing Flanged Solid cast iron wheels with ball bearing 1 - 5 from 5