BS 4878:1973

This standard BS 4878:1973 Specification for large (vee-throated) haulage rope pulleys for mines and quarries is classified in these ICS categories:

• 73.100.40 Haulage and hoisting equipment
• 53.020.30 Accessories for lifting equipment

This British Standard specifies requirements for a range of haulage pulleys (with shafts) and pedestals designed to incorporate, appropriately, either rolling bearings or plain bearings.

NOTE The titles of the British Standards referred to in this standard are listed on the inside back cover.

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.