12013466B COMBI SF6 OIL SEAL 35*52*16 NBR+AU For 125944 CARRARO 3428521M2 DANA LANDINI

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Product Description 12013466B COMBI SF6 OIL SEAL 35*52*16 NBR+AU For 125944 CARRARO Size COMBI 35*52*16 OE 12013466B CARRARO: 125944 DANA: 3428521M1, 3428521M2 LANDINI: 3428521M2 MASSEY FERGUSON: 040936R1, 3428521M1, 3428521M2 VALTRA: KH1209 Material NBR/FKM/ACM Packaging By Roll/ Plastic Bag + Carton Box / Customized Temperature 40~120,FKM(-20~280°C) Standard Standard Certificate ISO9001 / TS16949 HS Code 8487900000 Product Catalog Click here to download COMBI oil seal refers to "combined oil seal". It is not a single type of sealing component, but a combined design that integrates two or more different functional sealing elements. This design aims to provide a more comprehensive and reliable sealing effect than a single oil seal. Core structure and working principle A typical COMBI oil seal usually consists of the following two parts: Main seal (usually inward): Material: Usually, it is oil-resistant rubber (such as NBR nitrile butadiene rubber) or high-performance rubber (such as FKM fluororubber). Function: This is the core functional part of the oil seal. It is equipped with a compression spring, and its main function is to prevent the internal lubricating oil or grease from leaking out. It is responsible for sealing the oil. Secondary seal/dust lip (usually outward-facing): Material: It can be the same rubber, or it can be a more durable material. Function: This is an independent, springless sealing lip. Its main function is to prevent external dust, dirt, moisture, impurities, and other contaminants from entering the system interior. It is responsible for dust prevention. 12013466B COMBI SF6 OIL SEAL 35*52*16 NBR+AU For 125944 CARRARO