We can manufacture the below Rotek slewing ring model: Rotek Series 2100 slewing ring External gear L6-16N9Z, ... -46P9Z, L9-49P9Z, L9-53P9Z, L9-57P9Z Rotek Series 3000 slewing ring External Gears A6-9E1B, A6-11E4 ... 98P1, A10-110P2D, A12-125P1, A19-150P1 Rotek Series 4000 slewing ring H7-30E1, H7-38E1, H8-58E2 ... -98E9, 3R10-82E3C, 3R16-197E2 12.24 Rotek Series 3000 Bearings Internal Gears A8-20N2A, A8-22N2A, ...