Philadelphia (13-4-5, 44 points) had a three-game winning streak and six-match unbeaten streak snapped when Nemeth, who entered in the 83rd minute for the Crew (11-5-5, 38 points), took a pass from Luis Diaz at the far post and scored his first goal of the season in his third game since being signed as a free agent on Oct. 5.
Earlier, Artur scored his second goal in 106 MLS career regular season games, but it was his second in four games.
Bendik got the start because Andre Blake, second in MLS with eight shutouts, fractured his hand in a victory against the Chicago Fire on Wednesday. Bendik had one save.
Philadelphia finishes the regular season on Nov. 8 vs. New England. The Crew play at Orlando City on Wednesday in a match rescheduled because Columbus had a positive COVID-19 test.