Based on this product's specifications, here are some alternatives and similar models
Roborock vacuum cleaner fan accessory for S6 MaxV S7 E5 Q5 Q7 – replacement fan motor (MPN 9.01.0610)
Summary description:
Replacement fan accessory compatible with Roborock S6 MaxV, S7, E5, Q5 and Q7 models (MPN 9.01.0610). Designed to restore or improve suction performance by replacing a worn or damaged fan motor. Intended for service and repair of the robot vacuum’s airflow unit; suitable for technicians and users who perform maintenance. Helps maintain cleaning efficiency and prolong device lifespan.