This International Standard specifies the technical requirements, the appropriate dimensions and the requirements for testing of castors and wheels (which may include accessories) for manually propelled or power-towed industrial applications up to 1,1 m/s (4 km/h). It is not applicable to castors and wheels for furniture, swivel chairs, equipment for institutional applications, hospital beds or driven applications. Castors for specialized applications may also need to conform to other specific standards. NOTE Castors and wheels for furniture, swivel chairs, equipment for institutional applications, hospital beds and driven applications are covered respectively by ISO 22879, ISO 22880, ISO 22881, ISO 22882 and ISO 22884.