I’ve always been a fan of WD-40, but I never tried the “WD-40 Specialist Silicone spray”. This stuff is amazing, and it doesn’t smell as bad as regular WD-40. I’m finding all kinds of uses for this stuff around the shop (and sliding glass doors).
Good thing I already knew this as I work on robots with stepper motors, linear guide bearing and leadscrews that we perform annual PM’s which includes greasing, belt tension checks/adjustments etc. When I saw my Ender V3 KE for the first time I thought I was looking at some of the equipment at work. I use the grease and techniques we use at work. It’s kept some of our machines working for 25+ years now.