28 X 40 X 7 NITRILE OIL SEAL

APG stocks the MOS-028-040-007-SC, a Buna-N (Nitrile) Single Case Oil Seal supplied with a 28 mm inside diameter, a 40 mm outside diameter, and a height of 7 mm. An oil seal retains lubricant inside a housing while excluding dirt, water and contamination from the bearing cavity. The catalog record notes: Rubber Covered OD, Single Lip W/ Spring.

It resists hydraulic fluids, greases and lubricants, and many alcohols. Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. It should not be specified for service in ozone and direct sunlight or automotive brake fluid.

It sees regular use in agricultural equipment, fluid power, and construction equipment.

Stocked as MOS-028-040-007-SC and sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.