This is a complete coupling assembly (Part #57042006) for the Leybold Trivac D65B vacuum pump. The coupling connects the motor shaft to the pump shaft. It transfers power from the motor to the pump. It also reduces shock and handles minor shaft misalignment. A direct replacement that keeps your pump running smoothly .
This coupling insert (Part #20009095) is the flexible center piece that connects the motor shaft to the pump shaft in Leybold Trivac pumps. The insert transmits torque and power between the two shafts. It also absorbs shocks and vibrations. This helps protect both the motor and the pump from damage. A direct replacement that keeps your pump running smoothly .
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