swivel hub seal
Oil seals are typically made of rubber or synthetic materials that are resistant to oil, heat, and pressure. They are designed to withstand the harsh conditions within an engine or machinery, such as high temperatures and varying levels of pressure. The seal is usually placed in a housing or a groove in order to effectively seal the gap between two moving parts.
what is the function of oil seal


Before buying a heavy-duty sewing machine, ensure that your space can accommodate the larger size. Most heavy-duty machines are set on tables that measure 30 to 40 inches. In addition, the tables may be height adjustable, so if you are tall, you will want to ensure that the tables can raise to a comfortable height for you. And finally, decide how many heavy-duty sewing machines you will need. If you are planning on operating a small sewing business, you may want to ensure you have enough space for 2 machines, tables, or more!