Inch and Metric Oil Seal Types - GBSA, Inc

26 May.,2025

 

Inch and Metric Oil Seal Types - GBSA, Inc

Inch and Metric Oil Seal Types

Single Lip Seals

Available in a range of sizes, single lip seals are suitable for most applications.

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Dual Lip Seals

Dual lip seals are typically used for difficult sealing applications requiring the separation of two fluids.

The chart below shows different design considerations for single and dual lip seals. To view our cross-reference chart, download the Oil Seals Brochure.

Oil Seal Designs

GBSA offers a variety of designs and sizes for the three basic components of a rotary oil shaft seal: sealing lip, spring and case. Color can be provided to distinguish each of these components from one another:

Sealing Lip Materials

The sealing lip is designed to wrap around the rotary shaft. When selecting lip material, it is important to consider the environment in which the seal will operate. Factors to consider include temperature, pressure, shaft speed and the medium being sealed.

The table and figures below provide general information to help select the compound according to physical property.

Compound Nitriles
(Code N)
Poly Acrylates
(Code P)
Silicone
(Code S)
Fluoro Rubber
Viton
(Code V)
Temperature Range -40° to 248°F -22° to 302°F -58° to 356°F -22° to 392°F Abrasion Resistance 2 3 4 2 Compression Set 2 3 2 2 Cracking Resistance 3 3 1 2 Cut Growth Resistance 2 2 4 4 Flex Cracking Resistance 3 3 2 2 Impact Strength 2 4 3 3 Low Temperature Resistance 2 4 1 2 Oxidation Resistance 2 1 1 1 Sun Light Resistance 3 1 1 1 Tear Resistance 2 4 4 3 Weathering resistance 2 1 1 1

Note: 1 = Excellent 2 = Good 3 = Fair 4 = Poor

Spring

GBSA offers spring or non-spring loaded lips.

Cases

GBSA offers metal or rubber covered cases; both designed to prepare the oil shaft seal for a stable coupling with the housing.

View more design considerations for shafts and bores.

GBSA also offers specialty designs for severe conditions. For additional information on inch or metric oil seal types or design considerations, or to discuss your specialty design, call our engineering department at 800-837-.

Understanding HTCR Type Oil Seals: A Comprehensive Guide

In the world of industrial machinery and automotive engineering, the importance of reliable oil seals cannot be overstated. These components are vital in ensuring the smooth operation and longevity of various types of equipment. Among the many types of oil seals available today, HTCR (High-Temperature Chemical Resistant) type oil seal stand out due to their unique characteristics and applications. This comprehensive guide aims to shed light on the features, uses, and benefits of HTCR type oil seals, along with maintenance tips to prolong their life.

The Unique Features of HTCR Type Oil Seals

Applications of HTCR Type Oil Seals in Various Industries

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How HTCR Type Oil Seals Enhance Equipment Performance

Comparing HTCR Type Oil Seals with Other Oil Seals

Maintenance Tips for Prolonging the Life of HTCR Type Oil Seals

The Unique Features of HTCR Type Oil Seals

HTCR type oil seals belong to the category of rotary oil seals, primarily used for oil sealing purposes. What sets these seals apart is their ability to perform effectively under high temperatures and in chemically aggressive environments. Made from advanced materials, HTCR oil seal provide excellent resistance to heat, chemicals, and wear.

One of the most distinctive features of HTCR type oil seals is the oil return line located on the periphery of the sealing lip. This oil return line facilitates the return of any fluid that leaks outward from the sealing lip back to the inside through a screw pumping action. This unique design not only enhances the sealing efficiency but also prolongs the lifespan of the seal by reducing wear and tear.

Applications of HTCR Type Oil Seals in Various Industries

HTCR type oil seals find applications across a wide range of industries due to their robustness and reliability. In the automotive sector, these oil seals are commonly used in critical engine components such as the crankshaft front oil seal and crankshaft rear oil seal. Their ability to withstand high temperatures and resist chemical degradation makes them ideal for use in engine environments where heat and exposure to various fluids are common.

Additionally, HTCR oil seals are extensively used in gearboxes, transmission systems, and hydraulic pumps. In industrial machinery, they are employed in equipment that operates under harsh conditions, such as heavy-duty construction machinery, mining equipment, and manufacturing machines. Their versatility and durability make them a preferred choice for applications requiring high performance and reliability.

How HTCR Type Oil Seals Enhance Equipment Performance

The implementation of HTCR type oil seals in machinery and automotive systems significantly enhances equipment performance. By providing superior sealing capabilities, these oil seals prevent the leakage of lubricating oils and other fluids, ensuring that machinery operates smoothly and efficiently. This not only reduces the risk of equipment failure but also minimizes maintenance costs and downtime.

Moreover, the high-temperature resistance and chemical resilience of HTCR oil seals enable them to maintain their integrity and functionality even in extreme conditions. This ensures consistent performance across various applications, contributing to the overall reliability and longevity of the equipment.

Comparing HTCR Type Oil Seals with Other Oil Seals

When comparing HTCR type oil seals to other oil seals, several key differences and advantages become apparent. While standard oil seals may suffice for general applications, they often fall short in high-temperature and chemically aggressive environments. HTCR oil seals, on the other hand, are specifically designed to excel in such conditions.

Additionally, the unique oil return line feature of HTCR type oil seals sets them apart. This design not only enhances sealing efficiency but also reduces wear on the sealing lip, resulting in a longer service life. In contrast, traditional oil seals without this feature may experience quicker degradation and require more frequent replacements.

Maintenance Tips for Prolonging the Life of HTCR Type Oil Seals

To maximize the lifespan and performance of HTCR type oil seals, proper maintenance is essential. Regular inspections should be conducted to check for signs of wear, damage, or leaks. Ensuring that the seals are correctly installed and aligned can also prevent premature wear and improve sealing efficiency.

It is important to use the appropriate lubricants and fluids that are compatible with the materials of the HTCR oil seals. Avoiding exposure to abrasive particles and contaminants can further extend the life of the seals. Lastly, replacing seals as part of a scheduled maintenance plan, rather than waiting for failure, can help maintain optimal equipment performance and prevent unexpected downtime.

In conclusion, HTCR type oil seals are a superior choice for applications that demand high-temperature resistance, chemical resilience, and exceptional sealing efficiency. By incorporating these advanced seals into your machinery and automotive systems, you can enhance performance, reduce maintenance costs, and ensure the longevity of your equipment. For more information on HTCR type oil seals and to explore our range of products, visit MKC Seal and reach out to our team of experts.

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