Ldp series 400 light duty pressed steel castor load capacity up to 200 kg sheet thickness 3mm press bended fork legs hollow riveted (kingpin less) swivel assembly consists double ball bearing completely sealed system eliminates the problem of steel balls coming out specification: mounting plate hole centers – 72 x 72 mm (75 and 100 mm diameter wheel) 90 x 65 mm (125, 150 and 200 mm diameter wheel) hole size – 10 mm wheel diameter up to 200 mm ; tread width 38 & 50 mm wheel options – pm, npu, ppu, ny, uhp, cirb, pf, ci .