Trunnionbearings: 2 Trunnionbearings with whitemetalsplitbushes, each 1800 mm Ø x 750 mm width. Trunnionbearinglubrication. ... Conversion to a twocompartment cementmill x m, 2 x 1250 kW. Conversion to a twocompartment cementmill x m, 1900 kW. Conversion to a onecompartment ballmill x m, 1500 kW.