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4. Backup Rings Used with O-rings, backup rings help to prevent extrusion of the O-ring under high pressure conditions, thereby enhancing durability and performance.

The versatility of the 20x35x7 oil seal makes it suitable for a variety of applications across multiple industries. These seals are predominantly used in automotive, industrial machinery, and aerospace sectors.

Understanding Hydraulic Seals Essential Components in Fluid Power Systems

Different applications demand specific designs and materials for oil seals. For instance, seals used in high-temperature or high-pressure environments may require more resilient materials to withstand harsh conditions. Additionally, some seals are designed with specific tolerances and dimensions to fit various shaft sizes, ensuring proper sealing capability.

Mixing these materials can create hybrid seals that offer enhanced performance characteristics. The engineering behind the design of oil seals is also critical; the shape and size must be meticulously crafted to ensure a snug fit within the machinery. Poorly designed seals can lead to premature wear and tear, leading to costly repairs and downtime.

A typical hydraulic oil seal kit may include the following components