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Contact: junyingliu
Company: Xingtai Shanfeng special rubber products Co., Ltd
Hetou Industrial Zone, Renze District, Xingtai City, Hebei Province
Xingtai City, Hebei
Phone: 18713908608
E-Mail: Send Inquiry 1st year
Date/Time:  9/19/23 9:31 GMT

China Manufacture Supply High Quality with Spring & without Spring Oil Seal

  Oil seals also known as rotary shaft seals, are essential components used
to prevent the leakage of lubricants and fluids in rotating machinery. They are
commonly used in various industries such as automotive, manufacturing, and
engineering. The design and structure of oil seals can vary significantly
depending on their application. One key distinction lies in the presence or
absence of a spring.


  Oi , l seals with springs and without springs serve the same fundamental
purpose, which is to prevent the leakage of fluids and contaminants. However,
the inclusion of a spring in oil seals provides additional benefits. The spring
serves as a radial load component, ensuring a constant pressure on the sealing
lip against the shaft, thereby enhancing the sealing efficiency. On the other
hand, oil seals without springs rely solely on the interference fit between the
seal and the shaft to maintain the sealing integrity.

  Sealing Efficiency

  The presence of a spring in oil seals significantly improves their sealing
efficiency. The spring helps to compensate for any wear or misalignment that
may occur between the shaft and the seal over time. It ensures a continuous
radial force against the shaft, maintaining a tight seal and preventing fluid
leakage. In contrast, oil seals without springs may experience reduced sealing
efficiency due to wear or misalignment, leading to potential leaks.

  Installation and Assembly

  Oil seals with springs are relatively easier to install and assemble
compared to their counterparts without springs. The spring provides a self-
adjusting feature, allowing for easier alignment and positioning during
installation. The spring also helps to maintain a constant pressure on the
sealing lip, ensuring a secure fit. Conversely, oil seals without springs
require more precise alignment and careful installation to achieve an effective


  O , il seals with springs are commonly used in applications where there is a
high degree of shaft misalignment or vibration. The spring compensates for any
shaft movement, ensuring a constant radial force on the sealing lip. This makes
them suitable for use in heavy machinery, automotive engines, and industrial
equipment. Oil seals without springs, on the other hand, are used in
applications where shaft misalignment and vibration are minimal, such as pumps,
compressors, and light-duty machinery.

  Longevity and Durability

  Oil seals with springs generally have a longer lifespan and higher
durability compared to those without springs. The spring helps to distribute
the load evenly on the sealing lip, reducing wear and tear. It also provides
additional support and stability to the seal, preventing deformation or damage.
Oil seals without springs may experience faster wear and reduced durability,
especially in applications with higher shaft misalignment or vibration.

  Oil seals with springs offer improved sealing efficiency, easier
installation, and better performance in applications with shaft misalignment or
vibration. On the other hand, oil seals without springs are suitable for
applications with minimal misalignment and vibration. Careful consideration of
the specific application requirements is essential in selecting the appropriate
oil seal type.

Minimum Order: 100 pieces

China Manufacture Supply High Quality with Spring & without Spring Oil Seal
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SOURCE: Import-Export Bulletin Board (
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