Machine Design
Tapered roller bearings can take

Both radial and axial loads and the ratio of these being less than unity
Axial load only
Both radial and axial loads and the ratio of these being greater than unity
Radial load only

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Machine Design
Plastic flow in ductile materials

Has no effect on it
Depends on other considerations
Lessens the seriousness of static loading stress concentration
Increases the seriousness of static loading stress concentration

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Machine Design
Elastic nut is a locking device in which

Through slots are made at top and a cotter pin is passed through these and a hole in the bolt, and cotter pin splitted and bent in reverse direction at other end
A slot is cut partly in middle of nut and then slot reduced by tightening a screw
Hard fibre or nylon cotter is recessed in the nut and becomes threaded as the nut is stewed on the bolt causing a tight grip
One small nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming

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