4 point contact bearing 1.Material GCr15SiMn 2.P6 Grade 3.OEM service bearing 4.ISO9001:2000 Bearing 4 point contact bearing1.Material GCr15SiMn 2.P6 Grade 3.OEM service bearing 4.ISO9001:2000 BearingName:four point contact ball slewing bearingType:internal gear onlyModel:2787/1758Outer diameter:2038mm Inner diameter:1758mm Height:135mmTeeth number:106 Moudle:16 Teeth breadth:125 Modification ...