Grease Cap

A grease cap, also known as a grease fitting or grease nipple, is a small device used in mechanical systems to provide a point of access for lubricating grease. It is typically a small metal or plastic cap that is threaded onto a fitting or bearing housing.

The purpose of a grease cap is to protect the fitting or bearing from dirt, debris, and moisture, while also providing a convenient location for adding grease to the system. By regularly adding grease through the grease cap, the moving parts of the system can be properly lubricated, reducing friction and wear, and extending the lifespan of the equipment.

Grease caps are commonly found in automotive applications, such as wheel bearings, suspension components, and drivetrain components. They are also used in industrial machinery, agricultural equipment, and other mechanical systems that require regular lubrication.

When using a grease cap, it is important to ensure that the correct type and amount of grease is used, as specified by the manufacturer. Over-greasing or using the wrong type of grease can lead to excessive heat, seal damage, and other issues. Regular maintenance and inspection of grease caps is also important to ensure they are in good condition and functioning properly.