Yes, 36 wp's have grease fittings. I can't tell you about new ones, but originals have bushings and felt seals that weep normally.
I'm not sure what you're looking at for ball/spring? I can't see anything on mine except for the impeller on the backside.
This should help:
http://www.vanpeltsales.com/FH_web/F...mps1932-37.jpg