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screw down on the body and grease is applied under pressure to the bearing
Available in left and right hand
Designed as a way to apply oil to a breaking and then cover the oil passage in order to keep dirt out of the bearing
one valve is installed on the desired operating level and one just below the high water level
Grease Cup - Brass Size:5-40 thread height: 7/16" rim diameter: 1/4" screw down on the bodyThese grease cups are scaled down version of those widely used on all machinery in the age of steam to apply grease under pressure to a bearing. They work just like the original: put grease in the cap, screw down on the body and grease is applied under pressure to the bearing. They have knurled tops and do a great job of adding the additional detail to dress up an engine.
