CORTECO 19031567B QLF 105*140*10.7/21.5 Tractor Oil Seal BQ1527E Fiat 76038132 Wheel Hub Oil Seal

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Product Description BQ1527E QLF 105*140*10.7/21.5 Tractor Oil Seal Fiat 76038132 Size 105*140*10.7/21.5 Temperature 40~120,FKM(-20~280°C) Standard Standard Certificate ISO9001 / TS16949 HS Code 8487900000 Contact us Vicky Zhang WhatsApp/ Wechat: +86 15131376397 Email: vicky@china-oilseals.com Product Catalog Click here to download BQ1527E QLF 105*140*10.7/21.5 Tractor Oil Seal Fiat 76038132 The rotor oil seal, often referred to as the rotating shaft lip seal or simply the shaft oil seal, is the most common and essential dynamic sealing component in almost all rotating equipment. Its core function is: to prevent the leakage of lubricating grease (or oil) between the rotating shaft and the fixed housing, while also blocking external contaminants such as dust, dirt, and moisture from entering the equipment interior. Main Structure and Function Shell (Metal Case) Material: Usually made of low-carbon steel or stainless steel. The surface is often electroplated (such as with zinc plating) to prevent rust. Function: Provide structural support and rigidity to ensure that the oil seal can be firmly pressed into the equipment cavity (hole), maintain a stable interference fit, and prevent the entire oil seal from rotating or falling off within the hole. Sealing Lip Material: It is the "heart" of the oil seal and is made of various synthetic rubbers, such as nitrile rubber (NBR), acrylate rubber (ACM), fluorine rubber (FKM), etc. The type is selected based on different working conditions. Function: In direct contact with the surface of the rotating shaft, it generates radial clamping force, forming the key part of the seal. The shape and design of the lip (such as the flange, angle) directly affect the sealing effect and service life. Spring (Garter Spring) Material: Stainless steel or piano wire. Function: Wound around the back of the sealing lip to provide continuous and stable radial clamping force for the sealing lip. When the lip opening is worn out due to long-term use, the spring can automatically compensate to ensure the constant sealing pressure, which is the key to ensuring long-term effective sealing. Dust-proof lip (Auxiliary Lip/Dust Lip) - (Optional but common) Function: On the outer side of the main sealing lip, an additional lip opening facing the external environment is formed. Its main task is not to seal the oil, but to prevent contaminants such as dust, sand, and water from invading from the outside. This is particularly crucial for equipment operating in harsh environments (such as construction machinery and agricultural equipment). KDIK OEM LIST FOR REFERENCE AE1052E 09502-04710 20*47*10 BQ2981E 36830-48250 75-100-10/19 AE1307E 25*38*8 BQ2999E 58813-16450 40*80*12/18 AE1314R 25*40*7 BQ3048E 50*79*10/20 AE1543H TC232-14670 29*42*7 BQ3164E 31393-43530 45*75*14 AE1544H TC331-14670 28*42*8 BQ3201E 31339-44510 52*85*16/19 AE1679A 09500-30458 30*45*8 BQ3519E 70*95*12/18 AE1692E 09500-30478 30*47*8 BQ3564F 38*72*11 AE1720E 09500-30528 30*52*8