Double flange castor T17 75 mm, secured by top plate, hole pattern 170 x 170 mm, d=18 mm, external d=238 mm, internal d=200 mm, without brake. Permissible load 31 kN

Every field carries its own trust-tier: core data is confirmed by the manufacturer, peripheral data — by AI (with a source link). Safety-critical parameters (load ratings) are never published below vendor-claimed — a liability requirement.