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 ...

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 ...

Any successful owner-operator will tell you he’s saved money over the years by greasing his rig as frequently as possible. Greasing is an easy job that even an inexperienced mechanic can easily ...

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 ...