steering column bearing Q

73 challenger
is there a bearing that goes inside the $50 nylon insert that attaches to the firewall and the steering shaft goes thru The steering column shaft goes through the firewall and I bought the nylon insert. It seems like a bearing should go on the shaft and fit in the insert?
I know this is A body but i got bugs in my eye's and have'nt registered for E bodies.. I LOVE MOPARS so please help!