metal cased oil seals

The nomenclature 30x42x7 describes the oil seal's three critical dimensions the inner diameter (ID), outer diameter (OD), and width (W). Specifically, this oil seal features an inner diameter of 30 mm, an outer diameter of 42 mm, and a width of 7 mm. These measurements indicate that it is designed to fit into a specific space within a machine, preventing the leakage of fluids, particularly oil, from critical components like shafts and housings.

Cylinder seal kits are integral components of hydraulic cylinders used in excavators. These kits contain a variety of seals and o-rings made from materials such as rubber or polyurethane. Their primary function is to prevent hydraulic fluid leaks, maintain consistent pressure within the hydraulic system, and protect the internal components of the hydraulic cylinder from contaminants like dust and dirt.

The Role of Oil Seal Manufacturers

Where you purchase your hydraulic seal kits can significantly affect the price. Traditional brick-and-mortar stores may have higher overhead costs, resulting in higher prices. Conversely, online retailers often provide competitive pricing and various options. However, when buying online, ensure you purchase from reputable suppliers to avoid counterfeit products.

1. Pressure Resistance One of the primary attributes of high pressure rotary shaft seals is their ability to withstand significant pressure differentials. This feature is particularly important in hydraulic systems where the pressure can exceed several thousand psi.