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M18 Oil Seals (DIN 7603a)

An oil seal, also known as a shaft sealing ring, rotary shaft seal, or simply a shaft seal, is a mechanical device designed to prevent fluids—such as oil or grease—from leaking out along a rotating or moving shaft. At the same time, it also prevents external contaminants like dust, dirt, and moisture from entering the machineryOil seals are installed where a shaft passes through a housing (like in pumps, gearboxes, or engines). The flexible lip of the seal is pressed against the shaft—often aided by the garter spring—to form a tight barrier. This prevents lubricants from escaping and keeps contaminants from entering the machinery.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
MTPCAOil Seals, Shaft Sealing RingsCopperM18 x 22 x 1.5m18 x 22 x 1.5 din 7603a copper sealing washers17,300
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MSTCMAOil Seals, Shaft Sealing RingsM18 x 2218 x 22 din 7603a flt sealg rings cop58
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LibertyILOil Seals, Shaft Sealing RingsCopperPlainM18 x 24 x 1.518 idx24 odx1.5 thick flat copper washer sealing rings din 7603a70
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MTPCAOil Seals, Shaft Sealing RingsCopperM18 x 24 x 1.5m18 x 24 x 1.5 din 7603a copper sealing washers39,820
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MTPCAOil Seals, Shaft Sealing RingsCopperM18 x 24 x 2.0m18 x 24 x 2.0 din 7603a copper sealing washers896
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MSTCMAOil Seals, Shaft Sealing RingsM18 x 2418 x 24 din 7603a flt sealg rings cop29
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