I just updated the post with a video, which allowed me to look at the situation more closely. Initially, I thought the wheel was not straight in the frame. But it seems it is straight (though it is off-center). But there is one spot where it's hitting the frame, though the rest of the wheel is running parallel. Here's the video:
https://www.dropbox.com/s/kiv069hjmt...75230.mp4?dl=0