Specification for large (vee-throated) haulage rope pulleys for mines and quarries.
NORM herausgegeben am 5.10.1973
Bezeichnung normen: BS 4878:1973
Ausgabedatum normen: 5.10.1973
Zahl der Seiten: 36
Gewicht ca.: 108 g (0.24 Pfund)
Land: Britische technische Norm
Kategorie: Technische Normen BS
Requirements for pulleys 600 mm to 2100 mm diameter incorporating rolling bearings in boss; also 600 mm and 1350 mm diameter with bearing bushes in associated pedestals. Specifies pulley classification, particular design criteria, shafts, pedestals, bearings, workmanship, inspection and marking. Includes explanatory appendix, graphs and several illustrations. Status: Confirmed