40 X 55 X 8 NITRILE OIL SEAL

The MOS-040-055-008-TC is a Buna-N (Nitrile) Double Lip with Spring Oil Seal supplied with a 040 inch inside diameter, a 055 inch outside diameter, and a height of 008 inch. This oil seal seals a rotating shaft against lubricant loss and contaminant ingress. Source specification: Rubber Covered OD, Double Lip W/ Spring.

The compound resists hydraulic fluids, propane and butane, and water. Buna-N (Nitrile) delivers low compression set under sustained load and an economical choice for high-volume maintenance programs. Applications involving ketones or automotive brake fluid call for a different compound.

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, automotive, and general industrial maintenance.

Stocked as MOS-040-055-008-TC and sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.