A typical grease fitting consists of a bearing surrounded by a rubber sealing system and is fed grease through a zerk fitting. Periodic greasing forces used grease out of the fitting and replaces it ...

Customers sometimes comment that when they replace a grease-able bearing, the bearing has seals on both sides so, “There’s no way for the grease to get into the bearing.” Grease-able bearings come in ...

My father’s rule was, “Never walk past a grease zerk without greasing it.” Larry Ludwig, chief chemist and technical director for Schaeffer (Oil) Manufacturing, says improved bearing quality and ...

I wanted to highlight a maintenance tip today you may have missed from owner-operator Gordon Alkire, leased to Landstar, down in the comments section on my “CSA-proof your rig” cover story for this ...

We may receive a commission on purchases made from links. Before we dive into the frequency with which you should grease wheel bearings, we should note that not all wheel bearings need to be greased.

Grease is crucial to heavy construction equipment. "Many times, grease is not only the lubricant, but it is the barrier to contamination," says Stede Granger, OEM technical manager, Shell Lubricants. ...

Q. In your article about grease (Cars, Jan. 6), you mentioned fittings “known as zerks.” Zerks were invented by an eccentric engineer/inventor named Oscar Zerk. Oscar lived in Kenosha and was ...

The Grease Joint Rejuvenator from Innovative Products of America forces light oil into clogged grease joints, loosening hardened grease or plugging debris so new grease can be pushed into place in ...