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Oil Seal DB

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Product Product Id Type Rotation Inside Diameter Outer Diameter Height Material Housing Material Spring Material Spring Dust lip Stock Price
48900 Oil Seal 35 45 10 FPM - VITON Steel Yes Steel No 281  
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48899 Oil Seal 15.87 25.4 6.35 FPM - VITON Steel Yes Steel No 21  
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48898 Oil Seal 232 267 21 NBR - Nitrile Steel Yes Steel No 11  
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48897 Oil Seal 210 250 20 NBR - Nitrile Steel Yes Steel No 72  
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48896 Oil Seal 72 90 10 NBR - Nitrile Steel Yes Steel No 0  
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48895 Oil Seal 63.5 88.9 17.47 NBR - Nitrile Steel Yes Steel No 157  
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48894 Oil Seal 62 85 12 NBR - Nitrile Steel Yes Steel No 108  
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48893 Oil Seal 48 70 18 NBR - Nitrile Steel Yes Steel No 266  
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48892 Oil Seal 42.88 63.5 19.05 NBR - Nitrile Steel Yes Steel No 435  
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48891 Oil Seal 28.57 41.27 9.52 NBR - Nitrile Steel Yes Steel No 262  
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48890 Oil Seal 25.4 34.92 11.11 NBR - Nitrile Steel Yes Steel No 446  
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48889 Oil Seal 15.87 28.57 9.52 NBR - Nitrile Steel Yes Steel No 255  
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48888 Oil Seal 15.87 25.4 6.35 NBR - Nitrile Steel Yes Steel No 44  
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48307 Oil Seal 90 120 20 NBR - Nitrile Steel Yes Steel No 97   € 9,23 Details
48227 Oil Seal 8 24 7 NBR - Nitrile Steel Yes Steel No 0   € 3,00 Details Quote
48147 Oil Seal 65 90 20 NBR - Nitrile Steel Yes Steel No 344   € 5,28 Details
48108 Oil Seal 62 85 18 NBR - Nitrile Steel Yes Steel No 437   € 4,80 Details
48107 Oil Seal 62 85 12 FPM - VITON Steel Yes Steel No 0   € 23,88 Details Quote
48093 Oil Seal 60 82 18 NBR - Nitrile Steel Yes Steel No 0   € 4,80 Details Quote
48040 Oil Seal 55 78 18 NBR - Nitrile Steel Yes Steel No 355   € 5,31 Details
48029 Oil Seal 55 68 12 NBR - Nitrile Steel Yes Steel No 162   € 4,49 Details
47974 Oil Seal 50 72 18 NBR - Nitrile Steel Yes Steel No 299   € 4,96 Details
47922 Oil Seal 47.6 73 10 NBR - Nitrile Steel Yes Steel No 333   € 4,96 Details
47899 Oil Seal 45 72 12 NBR - Nitrile Steel Yes Steel No 13   € 4,96 Details
47888 Oil Seal 45 65 7 NBR - Nitrile Steel Yes Steel No 365   € 4,26 Details
47806 Oil Seal 40 58 10 NBR - Nitrile Steel Yes Steel No 1020   € 3,81 Details
47709 Oil Seal 35 45 10 NBR - Nitrile Steel Yes Steel No 723   € 4,60 Details
47668 Oil Seal 32 52 7 NBR - Nitrile Steel Yes Steel No 0   € 3,46 Details Quote
47615 Oil Seal 30 50 8.5 FPM - VITON Steel Yes Steel No 89   € 15,82 Details
47553 Oil Seal 28 47 10 NBR - Nitrile Steel Yes Steel No 353   € 3,11 Details
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Oil Seal DB: Reliable Double-Action Sealing for Media Separation

The Oil Seal DB is a high-quality sealing solution designed with a double-action sealing lip, offering enhanced performance and efficiency. It features two sealing lips supported by coil springs, ensuring reliable sealing in demanding applications. The outer sheath of the seal is made of durable metal, providing durability and resistance to external factors.

What sets the Oil Seal DB apart are its special features that enable efficient media separation. It effectively separates two different media with its seal, providing a reliable barrier between them. The seal incorporates two sealing lips in a single component, offering enhanced sealing performance. The housing of the Oil Seal DB is designed to be rigid and provide an exact fit through a press fit mechanism, ensuring a secure and precise installation. However, it is important to exercise caution when using the seal with alloy housings, housings with surface roughness, and applications involving overpressure. In such cases, it is advisable to use a sealing aid on the outer jacket if necessary, ensuring optimal sealing performance and protection.

The applications of the Oil Seal DB primarily involve the separation of two different media in rotating machine elements. It is commonly used in various industries where effective media separation is essential for the proper functioning of machinery and equipment.

When it comes to materials, the Oil Seal DB utilizes high-quality components to ensure durability and performance. The standard materials for the seal include elastomer NBR 70 Zwart for the sealing element, spring steel according to DIN EN 10270-1 for the springs, and sheet steel according to DIN EN 10139 for the reinforcing ring. However, special materials such as FKM, VMQ (Silicone), ACM, HNBR, CR, EPDM, rust, and acid-resistant steel 1.4301 are available for specific requirements.

The usage parameters for the Oil Seal DB depend on the chosen material combination. The seal can withstand temperatures ranging from -40 to +100 degrees Celsius. The maximum pressure for unpressurized applications should not exceed 0.02 MPa. The recommended maximum circumferential speed is 5 m/s. The seal is compatible with mineral oil lubricants and synthetic lubricants, but caution should be exercised when using synthetic lubricants without available experience data. It is recommended to conduct laboratory tests or practical trials to ensure compatibility. The operating temperature should not exceed +80 degrees Celsius for optimal performance.

In terms of construction, the Oil Seal DB adheres to specific design guidelines. The tolerance for the shaft is ISO H11, ensuring a precise fit. The hardness should be a minimum of 45 HRC to guarantee durability. The roughness of the shaft surface should be within the range of Ra= 0.2 - 0.8 μm, Rz 1-5 μm, and Rmax ≤ 6.3 μm. Similarly, the housing should have a tolerance of ISO H8, a roughness of Ra = 1.6 - 6.3 μm, Rz = 6.3 - 16 μm, and Rmax ≤ 16 μm, to ensure a proper fit and sealing performance.

In summary, the Oil Seal DB is a reliable double-action sealing solution for effectively separating different media in rotating machine elements. With its robust construction, special features, and adherence to usage parameters and construction guidelines, it ensures optimal performance and durability in various industrial applications. When choosing the Oil Seal DB, you can expect high-quality sealing performance and protection for your machinery and equipment.

 

Do you want more information about our oil seals, or do you have any questions, feel free to contact us.