The bike-borne Balveer Singh (45) died on the spot while his 25-year-old son Devisingh, who was riding pillion, was injured in the incident, they said.
The injured has been referred to a Jodhpur government hospital, police said.
Durjan Singh and his five-year-old daughter Nirma, who were in the SUV, also sustained injuries and were admitted to a local government hospital here.