| NOK Type & Design |
Applications |
Features |
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General purpose, non pressure fluid & severe grease sealing. (max. pressure 0.3 kg/cm²) |
Lip: Having spring fitted seal lip. Most popular seal type. |
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General purpose, non pressure fluid & severe grease sealing with light exclusion of foreign materials. (max. pressure 0.3 kg/cm²) |
Lip: A combination of spring fitted seal lip and dust lip. If grease is applied between the sealing lip and dust lip, it can be used even lubeless when temporary condition occurs. |
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Seals for construction machinery & vehicles. Also for heavy dust condition and preventing vacuum between lips in case of high speed shaft. |
Lip: A combination of spring fitted seal lip and special synthetic fabric dust lip. With this special mat. Dust lip, it is able to provide ventilation dust proof & low abrasive characteristics. |
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Economical design for grease & dust sealing no suitable for viscous fluid. |
Lip: A spring-less seal lip. Can be used with S type or T type seal. |
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Economical design for grease retention or sealing viscous fluid with light duty exclusion of dust or foreign materials. |
Lip: A combination of spring-less seal lip and dust lip. If grease is applied between the seal lip & dust lip, it can be used even lubeless when temporary condition occurs. |
| NOK Type & Design |
Applications |
Features |
 |
Medium pressure seal for oil and water application. (max. pressure 3 kg/cm²). Not recommended for shaft size over Ø 63mm. |
Lip: A combination of spring fitted seal lip & dust lip. The seal lip is designed to withstand pressure from deformation when pressure increased. |
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High pressure seal for oil & water application. (max. pressure 10 kg/cm²) |
Lip: A combination of spring fitted seal lip & dust lip with a reinforced metal casing to reduce deformation of the seal lip due to increased pressure. |
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For reciprocal motion. Hydraulic or shock absorber seal. |
Lip: A combination of spring fitted seal lip and dust lip. The seal lip is designed to prevent lip deformation due to reciprocal motion. |
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Seals for engine, torque converter pump & washing machine. (max. pressure 1 kg/cm²). Suitable for high temp, high speed shaft, low torque and insufficient lubrication condition. |
Lip: A combination of spring fitted seal & dust lip. The seal lip is coated with polytetraflouride ethylene resin. (NOK rarefron®) |
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Medium pressure seal for liquid chemical, solvent and fuel oil. To substitute for normal rubber bonded seal, which is not suitable for these application (max. pressure 3 kg/cm²) |
Lip: A combination of spring fitted seal lip. The seal lip mat. is made of polytetraflouride ethylene resin. (NOK rarefron®) |
| NOK Type & Design |
Applications |
Features |
 |
Splash seal for liquid chemical & fuel oil. Dust seal for high temperature without lubrication (max. pressure 1.0 kg/cm²) |
Lip: Spring-less seal lip with one main sealing lip (VAJ) or two main lips in the same direction (KA31). The seal lip mat. is made of polytetraflouride ethylene resin. |
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This seal is designed for sealing two different sealing fluids. (max. pressure 0.3 kg/cm²). This design can be substitute with 2 SB/SC type by installing back to back. |
Lip: A combination of two springs fitted seal lip facing in the opposite direction. |
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Outer sealing the shaft does not revolve but the housing rotate (max. pressure 0.3 kg/cm²) |
Lip: The spring is fitted on the outer seal lip. Require good housing bore inner surface finish. |
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This is attached to shaft and slides the seal lip on the terminal wall of the fixed end preventing leakage of grease an infiltration of water, dust and foreign object. |
Lip: It is a single lip seal of rubber, and cross-section of a V shape. |
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Used mainly as a light duty dust seal, grease seal for roller bearing plumber block. |
Lip: The cross-section of this seal is almost like a Z shape, comprise of a simple rubber substance.
ZF - single seal lip.
ZT - seal lip with dust lip. |
| NOK Type & Design |
Applications |
Features |
 |
Mainly used for the roll neck of the rolling machine. It prevents entry of cooling water, oil and scale. (size not listed in this catalogue) |
Lip: A combination of spring -less outer seal lip and dust lip, both lips facing the same direction. |
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This seal is mainly used for automotive engine, differential gears & transmission. |
Lip: Having spiral line all over the seal lip periphery. These spiral lines push back fluid likely to leak through the sealing portion due to pumping action. A clockwise or anti-clockwise spiral is available. |
