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An NNK oil seal is a indispensable for sealing machines against oil, lubricants, water and gases. The oil seals also stop dirt from the outside, such as dust, dirt and sand particles. The oil seals are used in various industries. The history of NNK oil seals is very long. The products we export worldwide deliver consistent quality.
NNK oil seals are produced from synthetic rubber, which forms the sealing lip. An oil seal may also have a metal "spring". This spring ensures that the oil seal has extra grip on the shaft, making it possible to seal moving parts.
NNK oil seals intended for rotary applications when properly installed suck in a little air which prevents oil from escaping and leaking out. NNK oil seals intended for reciprocating applications, the difference in oil film thickness between the push and pull movements constitutes the oil leakage. For example, the contact pressure profile of the oil seal is determined to achieve optimum oil film thicknesses.
An oil seal from NNK is easy to recognize. In general, the oil seals have a "NNK" marking on the side of the oil seals. Most oil seals also have an oil seal type and size marking on the side.
Oil-Seal-Stocks has a wide range of oil seals from NNK. We have a specialized sales team who are happy to help you to provide you with the perfect oil seal from NNK or an equivalent seal. Click here to view our full range of NNK oil seals.
NNK Type TC is a type of oil seal with a dust lip. The TC has a metal housing with a rubber exterior and has a metal spring. Click here to view our full range of this type.
The NNK Type SC is the same as the TC, but without a dust lip. The SC has a metal housing with a rubber exterior and has a metal spring. Click here to view our full range of this type.
NNK Type TCN is a high pressure oil seal. The TCN has a metal housing with a rubber exterior. The TCN also has a dust lip and a metal support spring. The TCN can handle a maximum pressure of 10 bar. Click here to view our full range of this type.
The Type SB from NNK, is an oil seal without a dust lip. The SB has a metal housing that is also the outside and has a metal spring. Click here to view our full range of this type.
The NNK Type TB is the same as the SB, but with a dust lip. The TB has a metal housing that is also the outside and has a metal spring. Click here to view our full range of this type.
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NNK's Type TA is an oil seal with a dust lip. The TA has a double metal housing that is also the outside and has a metal spring. Click here to view our full range of this type.
The NNK Type TB is the same as the TA but without a dust lip. The TB has a double metal housing that is also the outside and has a metal spring. Click here to view our full range of this type.
NNK's Type DC is an oil seal with a double sealing lip. The DC has a support spring on both sealing lips. The DC has a metal housing with a rubber exterior. Click here to view our full range of this type.
The NNK Type DB is the same as the DC, but without a rubber exterior. The DB has a double sealing lip. The DC has a support spring on both sealing lips. Click here to view our full range of this type.
The NNK Type VC is an oil seal without a dust lip. The VC has a steel housing with a rubber exterior and has no support spring. Click here to view our full range of this type.
NNK's Type VB is an oil seal without a dust lip. The VB has a steel housing that is also the outside and has no support spring. Click here to view our full range of this type.
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These are used on automotive engines and geared motors primarily to prevent oil leaks at the ends of rotating shafts and the intrusion of dust particles from outside.
The word 'oil seal' is used to describe these products that seal oil. In addition to preventing fluids, such as lubricants and water, and gases used in mechanical products from leaking at their 'gaps,' they also keep dust, dirt and sand particles from intruding from outside.
Seals are an indispensable means for sealing machines in a variety of fields, including automobiles, airplanes, ships, train cars, construction machines, agricultural machines, petrochemical plants, and home appliances.
The history of NNK oil seals is synonymous with the history of oil seals in Japan. The products we export worldwide deliver consistent quality which is founded on our unique 'sealing theory.'
Contact us to discuss your requirements of china hub oilseal. Our experienced sales team can help you identify the options that best suit your needs.