NBR Rubber Oil Seals for Medium Shaft Sizes

NBR Rubber Oil Seals for Medium Shaft Sizes

Jun 02, 2026VXB Bearings Team

Key Takeaways

  • NBR Rubber Oil Seals are essential for preventing leaks and retaining lubricants, thereby enhancing machinery efficiency.
  • The double-lip design of NBR seals offers improved sealing performance and extends seal life by minimizing wear.
  • Temperature resistance of -40°F to 248°F makes NBR seals suitable for various applications, including automotive and industrial machinery.
  • Choosing the correct inner and outer diameters is crucial for effective sealing; accurate measurements are necessary.
  • Seal width affects performance; thicker seals generally provide better oil retention, especially in high-pressure scenarios.
  • Consider the application type (rotary or static) to select the most suitable seal for your needs.
  • Investing in high-quality NBR rubber ensures better resistance to wear and chemicals, enhancing seal durability.

Comparison at a Glance

Option Best for Strengths Trade-offs
Oil Seal TC 110x125x12mm High-temperature environments Excellent sealing performance, minimizes wear May not be suitable for low-pressure applications
Oil Seal TC 100x125x13mm Oil retention applications Effective at preventing lubricant leakage, versatile Thickness may limit compatibility with some setups
Oil Seal TC 105x125x12mm Dynamic machinery Robust design, maintains performance at varying speeds Moderate thickness may not suit all sealing needs
Oil Seal TC 105x130x14mm High-pressure applications Enhanced sealing capabilities, ideal for aggressive fluids Wider design may require specific housing adjustments

When it comes to maintaining machinery, one crucial component that often goes unnoticed is the oil seal. Specifically, NBR rubber oil seals are indispensable for ensuring the longevity and efficiency of equipment, particularly in medium-sized applications. These seals play a vital role in blocking out contaminants like dirt while retaining essential lubricants, thus preventing leakage and wear. In this article, we will explore several options for NBR rubber oil seals specifically designed for medium shaft sizes, discussing their features and benefits to help you make an informed purchasing decision.

Understanding NBR Rubber Oil Seals

Nitrile Butadiene Rubber (NBR) is widely recognized for its excellent oil resistance and durability. Designed to withstand a temperature range of -40°F to 248°F, NBR rubber seals are suitable for various applications, from automotive to industrial machinery. The double-lip design, common among these seals, offers an added layer of protection against leakage while ensuring a secure fit around the shaft. With these features in mind, let's take a closer look at some specific models.

Exploring the Options

The first product on our list is the Oil Seal TC 110x125x12mm. This double-lip rotary shaft seal is designed for an inner shaft diameter of 110mm and an outer bore diameter of 125mm, with a width of 12mm. The nitrile rubber lip effectively blocks dirt and retains oil or grease, making it ideal for both rotary and static sealing applications.

Oil Seal TC 110x125x12mm - 2-Lip - Rubber Coated - Buy Bearings online - Fast US Shipping
Oil Seal TC 110x125x12mm

One of the standout features of this seal is its ability to function effectively in high-temperature environments. The double lip design not only improves sealing performance but also extends the life of the seal by minimizing wear and tear. If you're looking for a reliable and robust option, this seal should definitely be on your radar.

Next, we have the Oil Seal TC 100x125x13mm, which offers a slightly different configuration. With an inner diameter of 100mm and a bore diameter of 125mm, this seal has a width of 13mm. Like the previous model, it features a double-lip design and is constructed from durable NBR rubber. This particular seal is perfect for applications where slightly thicker sealing is needed.

Oil Seal TC 100x125x13mm - 2-Lip - Rubber Coated - Buy Bearings online - Fast US Shipping
Oil Seal TC 100x125x13mm

This seal is particularly beneficial in applications where oil retention is crucial, as its design effectively minimizes the risk of lubricant leakage. Additionally, it maintains its integrity even when exposed to various oils and greases, making it a versatile choice for different machinery.

Another option worth considering is the Oil Seal TC 105x125x12mm. This model is designed for a shaft diameter of 105mm and an outer bore diameter of 125mm, with a width of 12mm. The TC 105x125x12mm features a similar double-lip construction and is made of high-quality nitrile rubber, ensuring its resilience against wear.

Oil Seal TC 105x125x12mm - 2-Lip - Rubber Coated - Buy Bearings online - Fast US Shipping
Oil Seal TC 105x125x12mm

This particular model is an excellent choice for applications requiring effective sealing at a moderate thickness. Its robust design allows it to maintain sealing performance even under dynamic conditions, which is essential for machinery that operates at varying speeds.

Finally, we have the Oil Seal TC 105x130x14mm. This seal features a shaft diameter of 105mm, an outer bore diameter of 130mm, and a width of 14mm. The additional width provides enhanced sealing capabilities, making it particularly suitable for applications where increased pressure or fluid volume is expected.

Oil Seal TC 105x130x14mm - 2-Lip - Rubber Coated - Buy Bearings online - Fast US Shipping
Oil Seal TC 105x130x14mm

The TC 105x130x14mm is particularly beneficial for sealing applications that involve higher pressures or more aggressive fluids. Its robust construction and ability to maintain sealing integrity even in challenging conditions make it an ideal choice for industrial machinery and automotive applications alike.

Buyer’s Guide: Selecting the Right NBR Rubber Oil Seal

When choosing an NBR rubber oil seal, several factors should be considered to ensure optimal performance:

  • Inner and Outer Diameter: Ensure the inner diameter matches your shaft size while the outer diameter fits the housing bore. Accurate measurements are crucial for effective sealing.
  • Seal Width: The width of the seal can impact sealing performance. Thicker seals generally provide better retention of oils and greases, suitable for high-pressure applications.
  • Temperature Range: Select a seal that can withstand the temperature conditions of your application. NBR seals typically perform well in a range of -40°F to 248°F.
  • Application Type: Determine whether you need a seal for rotary or static applications, as some seals are better suited for dynamic environments than others.
  • Material Quality: Look for seals made from high-quality NBR rubber, which offers better resistance to wear and chemicals.

In conclusion, NBR rubber oil seals are vital components for maintaining the integrity and longevity of machinery. Each product discussed in this article offers unique features tailored to specific applications, ensuring that there is an ideal option for your needs. Whether you're dealing with automotive systems or industrial machinery, investing in the right oil seal can prevent costly downtime and repairs, ultimately improving the efficiency of your operations. Take the time to evaluate the options above and choose the one that best meets your requirements.

Frequently Asked Questions

1. What are NBR rubber oil seals?

NBR rubber oil seals, made from Nitrile Butadiene Rubber, are vital components that block contaminants and retain lubricants, ensuring the longevity and efficiency of machinery.

2. What is the temperature range for NBR rubber seals?

NBR rubber seals are designed to withstand temperatures ranging from -40°F to 248°F.

3. What features should I consider when selecting an NBR rubber oil seal?

Consider the inner and outer diameter, seal width, temperature range, application type, and material quality to ensure optimal performance.

4. What are some specific models of NBR rubber oil seals mentioned in the article?

The article discusses the Oil Seal TC 110x125x12mm, TC 100x125x13mm, TC 105x125x12mm, and TC 105x130x14mm.

5. Why is it important to choose the right oil seal for my machinery?

Choosing the right oil seal is crucial to prevent leakage and wear, minimize downtime, and improve the overall efficiency of your operations.

Glossary

Term Meaning
NBR Nitrile Butadiene Rubber, known for oil resistance and durability.
Oil Seal A component that prevents leakage of lubricants and blocks contaminants.
Double-Lip Design A seal design with two lips for enhanced protection against leakage.
Inner Diameter The diameter of the seal that fits around the shaft.
Outer Bore Diameter The diameter of the seal that fits into the housing.
Seal Width The thickness of the seal, affecting its sealing performance.
Temperature Range The operational temperature limits for NBR seals, typically -40°F to 248°F.
Static Applications Sealing applications where the components do not move.
Rotary Applications Sealing applications involving rotating components.
High-Pressure Applications Sealing scenarios that require resilience against increased pressure.

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