4 ms·
Grease is needed to lubricate the balls so they are not in direct contact with the races. Without grease the balls/races will fail rapidly when under load. The
by xd 11y ago
Grease is needed to lubricate the balls so they are not in direct contact with the races. Without grease the balls/races will fail rapidly when under load. There is no load on the cages so I fail to see how this development helps at all.
- xd 11y agoThanks for the downvote. Obviously you do not agree with simple facts, but just in case you think I'm making my point up: http://machinedesign.com/archive/proper-film-thickness-key-bearing-survival http://machinedesign.com/archive/proper-film-thickness-key-b... Let me quote a key passage: "Engineers must check that films are sufficiently thick so asperities — peaks of surface roughness between mating surfaces — don't touch. Otherwise, bearings can rapidly wear and fail."