Thanks for the input. It looks like we may have to settle for the teflon impregnated bronze bushing.
The cam follower is interesting but i don't think I can use that packaging. At least is proves stainless needles are being manufactured. I had a vendor quote custom bearings at $400 ea in...
I need stainless for following reasons:
Flammability - Steel combusts much more readily than stainless. Yes, they will both burn with enough motivation.
Cryo toughness - steel can become brittle at -290F (liquid oxygen). Some alloy steels can maintain usable toughness at cryo but probably...
I am designing a valve for use in liquid oxygen. I want to use needle bearings but they need to be stainless steel for fluid compatibility reasons. My search for off the shelf solutions has come up blank and custom bearing quotes have been prohibitively expensive.
Does anyone know who makes...
