... : 75.8kg--4000kg 4)High quality 1. Crossed cylindrical roller slewing bearings: * No gear 1) Range of dimensions: d, 320mm ~ 4272mm ... : C1, C2, C0, C3, C4 5) Packing: Standard export packing2. Four-point contact ball slewing bearings: * No gear 1) Range of dimensions: d, 260mm ~ 4272mm ... , C2, C0, C3, C4 5) Packing: Standard export packing Double Row Crane Slewing Ring Bearing