產(chǎn)品特性:NATIONAL | 加工定制:否 | 油封用途:差速器前后角矢油封 |
材料:氟橡膠 | 適配車型:美國NATIONAL油封美國TIMKEN骨架油封 | 配套關(guān)系:原廠 |
品牌:美國NATIONAL油封美國TIMKEN骨架油封 | 型號:美國NATIONAL油封美國TIMKEN骨架油封 | 適用車型:美國NATIONAL油封美國TIMKEN骨架油封 |
尺寸:1mm | 工作溫度:1℃ | 適用汽車品牌:美國NATIONAL油封美國TIMKEN骨架油封 |
適用車型年份:2021 | 適用車型變速箱類型:AT/自動擋 |
NATIONAL OIL SEALS是1920年由LIoyd A.Johnson創(chuàng)立的,專門從事油封、墊圈墊片的生產(chǎn),在當時就已經(jīng)是美國的油封生產(chǎn)廠家之一,為汽車和飛機的主要配套油封工廠。于1956年被Federal-Mogul攬于旗下。F-M公司是一家綜合性的汽車零配件廠家,從1899年成立至今,通過不斷的發(fā)展和并購,擁有了一系列的汽車零部件品牌,產(chǎn)品包括軸瓦、引擎、雨刷、火花塞、軸承、油封、活塞環(huán)、制動系統(tǒng)、墊圈和底盤系統(tǒng)等等,成為了的汽車零部件供應(yīng)商。
NATIONAL油封制造基地從剛創(chuàng)立時的San Francisco, 至1942年搬到Redwood City,再后搬至Summerton和Mexico City,現(xiàn)已把制造重心放在了MEXICO CITY。這就是為什么油封上會標注為USA和MX的緣故。除此兩處之外,NATIONAL油封再也沒有其它的制造基地了。
而NATIONAL油封與其它品牌的不同之處,就是在鐵殼外圈的外徑上噴涂了紅色的REDICOAT專用涂漆,一方面可以區(qū)別其它品牌的顏色,另一方面,也是主要的方面,鐵殼外徑噴涂紅漆可增加外徑的密封性能,可填充裝配孔腔表面之缺陷或刮痕,避免密封流體由外徑泄漏。這種REDICOAT涂漆,對孔腔面的加工光潔度就有所放松,允許有較大的表面粗糙度,同樣起到內(nèi)骨架油封(外徑包有橡膠)的密封效果。
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