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Ubet Jaw couplings are designed as three piece comination, including two hubs and one elastomer made of polyurethane. The cuved jaw fits onto the spider, which minimizes shock to the motor and other sensitive equipment.Widely used in various mechanical and hydraulic fieldsHigh precision in transmission and high rotating speed.Suitable for wide range of environment, with the higest temperature 280 degreeGood elasticity, hight strength, corrosion resistant, wearableNo need to lubricate,quiet operationQuick and easy mounting and disassemblyItem No.Finished bore rangeOutside DiameterNominal Torque NmUTJC-140-163015UTJC-190-254020UTJC-240-355570UTJC-280-4065190UTJC-380-4880380UTJC-420-5595530UTJC-480-62105620UTJC-550-74120820UTJC-650-801351250UTJC-750-951602560UTJC-900-1102004800Ubet Jaw coupling grooving type is backlash free, using screws after slotting to eliminate the clearance. This grooving type coupling is suitable for power transmission on main shaft, elevating platform and machine tool.Material: Alluminum for size below 42Steel for size over 42Finish: Natural or AnodizingSize Range: 19 to 75Finished bore: according to ISO fit H7Keyway width: according to DIN 6885/1The Tolerance of keyway is Js9