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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承,雙列圓柱滾子系列軸承</p><p><span>***更新：</span>2021-02-05 13:16:35</p><p><span id="click" >瀏覽次數(shù)：13次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="u7jaxzb" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫哈配機(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>杜寶成</p><p><span>郵箱: </span>409676305@qq.com</p><p><span>電話: </span>13771454137</p><p><span>傳真: </span>0510_82351957</p><p><span>網(wǎng)址: </span>http://13771454137.shop.88360.com</p><p><span>手機(jī): </span>0510-82351957</p><p><span>地址: </span>惠山大道9號賽格電子市場C區(qū)1C146號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="tskczl8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hlsu2l2" class="box"><p><p style="text-indent:25px">NNF型軸承是雙列滿裝圓柱滾子軸承，軸承是一個帶中擋邊外圈，兩個有雙擋邊內(nèi)圈的結(jié)構(gòu)型式。滾子由內(nèi)圈的擋邊引導(dǎo)，兩個內(nèi)圈用緊固圈固定在一起。該結(jié)構(gòu)除了可以承受很大的徑向載荷和軸向載荷之外，還可以承受傾覆力矩，因此，常用作固定端軸承使用。NNF型軸承兩側(cè)采用接觸式密封，呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承。軸承內(nèi)填有潤滑脂，潤滑脂的工作溫度為-50℃至+110℃，但由于受密封材料的限制，呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承，軸承的工作溫度限于于-40℃至+80℃之間，呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承。在使用工況較好的情況下，帶有密封的NNF軸承無需進(jìn)行保養(yǎng)，若軸承長期處于水汽或污染環(huán)境，且為中、高速運轉(zhuǎn)時，可通過外圈上的潤滑油槽和潤滑油孔對軸承進(jìn)行補(bǔ)充潤滑。雙列圓柱滾子軸承潤滑的目的是：延長疲勞壽命軸承的滾動疲勞壽命。呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承,雙列圓柱滾子系列軸承" src="https://tyunfile.71360.com/UploadFile/13771454137/637347380704013672/7542850.png"></div><p style="text-indent:25px">常用的圓柱滾子軸承有下面幾種形式：單列圓柱滾子軸承：單列圓柱滾子軸承是可分離軸承，便于安裝和拆卸，兩個套圈都可以采用緊配合，修正的滾子和滾道之間的接觸線可以減小應(yīng)力集中。雙列圓柱滾子軸承：雙列圓柱滾子軸承屬于游動軸承，其可分離性使安裝和拆卸很方便。兩個套圈均可以采用緊配合。雙列圓柱滾子軸承幾乎不允許有傾斜角。N型軸承的外圈無擋邊，內(nèi)圈的兩側(cè)有擋邊。可以允許軸相對軸承座之間在軸向兩個方向上的位移。NU型的軸承外圈兩側(cè)有擋邊，內(nèi)圈無擋邊。也可以允許軸相對軸承座之間在軸向兩個方向上的位移。因此,該類結(jié)構(gòu)適用于作為游動端軸承使用。廣州哪里生產(chǎn)雙列圓柱滾子系列軸承精洗時，在油中慢慢轉(zhuǎn)動軸承，須仔細(xì)地進(jìn)行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承,雙列圓柱滾子系列軸承" src="https://tyunfile.71360.com/UploadFile/13771454137/637347380598652344/9800197.png"></div><p style="text-indent:25px">機(jī)床主軸常用軸承主要有五大類：深溝球軸承，角接觸球軸承，雙向推力角接觸球軸承，雙列圓柱滾子軸承，圓錐滾子軸承。雙列圓柱滾子軸承這類軸承能承受較大的徑向載荷并允許有較高的轉(zhuǎn)速。軸承中的兩列滾子以交叉方式排列，旋轉(zhuǎn)時波動頻率可比單列軸承提高一倍，振幅降低70％。常用的此類軸承有兩種形式：NN30/W33、NN30K/W33兩個系列軸承內(nèi)圈帶擋邊，外圈可分離；NNU49/W33、NNU49K/W33兩個系列軸承外圈帶擋邊，內(nèi)圈可分離，其中NN30K/W33和NNU49K/W33系列內(nèi)圈為錐孔（錐度1：12），與主軸的錐形軸頸相配合，軸向移動內(nèi)圈，可使內(nèi)圈脹大，以減小軸承游隙甚至預(yù)緊軸承。圓柱孔軸承通常采用熱裝，利用過盈配合減小軸承游隙，或者達(dá)到預(yù)緊的目的。對內(nèi)圈可分離的NNU49系列軸承，一般在內(nèi)圈裝上主軸后再作滾道的精加工，以獲得高的主軸旋轉(zhuǎn)精度。</p><p style="text-indent:25px">為了確定軸承壽命的標(biāo)準(zhǔn)，需要把軸承壽命與可靠性聯(lián)系起來。雙列圓柱滾子額定壽命：由于制造精度，材料均勻程度的差異，即使是同樣材料，同樣尺寸的同一批軸承，在同樣的工作條件下使用，其壽命長短也不相同。若以統(tǒng)計壽命為1單位，較長的相對壽命為4單位，較短的為0.1-0.2單位，至長與至短壽命之比為20-40倍。90%的軸承不產(chǎn)生點蝕，所經(jīng)歷的轉(zhuǎn)數(shù)或小時數(shù)稱為軸承額定壽命?；绢~定動載荷：為比較軸承抗點蝕的承載能力，規(guī)定軸承的額定壽命為一百萬轉(zhuǎn)（106）時，所能承受的至大載荷為基本額定動載荷，以C表示。也就是軸承在額定動載荷C作用下，這種軸承工作一百萬轉(zhuǎn)（106）而不發(fā)生點蝕失效的可靠度為90%，C越大承載能力越高。對于基本額定動載荷：1．向心軸承是指純徑向載荷2．推力球軸承是指純軸向載荷3．向心推力軸承是指產(chǎn)生純徑向位移得徑向分量。脂潤滑有可以簡化軸承周圍結(jié)構(gòu)的特長。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承,雙列圓柱滾子系列軸承" src="https://tyunfile.71360.com/UploadFile/13771454137/637346637509482422/8944078.png"></div><p style="text-indent:25px">圓柱滾子與滾道呈線接觸，徑向的載荷能力大。既適用于承受重載荷與沖擊載荷，也適用于高速旋轉(zhuǎn)。圓柱滾子軸承滾道及滾動體呈幾何形狀。經(jīng)改進(jìn)設(shè)計后，具有較高的承載能力，擋邊和滾子端面的新型結(jié)構(gòu)設(shè)計，不只提高了軸承的軸向承載能力，同時改善了滾子端面與擋邊接觸區(qū)域的潤滑條件，提高了軸承的使用性能。1．外圈無擋邊N0000型和內(nèi)圈無擋邊NU0000型，圓柱滾子軸承此種軸承可接受較大的徑向載荷,極限轉(zhuǎn)速高,不束縛軸或外殼的軸向位移,不能接受軸向載荷。2．內(nèi)、外圈均帶擋邊的圓柱滾子軸承NJ0000型、NF0000型軸承可束縛軸或外殼一個方向的軸向位移,并能接受較小的單向軸向載荷。NU0000+HJ0000型、NJ0000+HJ0000型、NUP0000型軸承，可在進(jìn)口軸承的軸向間隙領(lǐng)域內(nèi)束縛軸或外殼兩個方向的軸向位移，并能接受較小的雙向軸向載荷雙列圓柱滾子軸承潤滑的目的是：防止軸承過熱，防止?jié)櫥妥陨砝匣?。紹興81105雙列圓柱滾子系列軸承造價</p><p style="text-indent:25px">雙列圓柱滾子軸承的保持架多采用車制實體保持架。呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承</p><p style="text-indent:25px">軸承是用來支撐的部件，也是用來支承軸上回轉(zhuǎn)的零件，軸承作為當(dāng)代機(jī)械重要零件，應(yīng)用較為普遍。雙列圓柱滾子軸承是軸承的其中一種。下面，我們就來介紹下軸承常見的幾種性能：1.硬度：硬度是軸承質(zhì)量的重要質(zhì)量之一，對接觸疲勞強(qiáng)度、耐磨性、彈性極限都有直接的影響。軸承在使用狀態(tài)下的硬度一般要達(dá)到HRC61~65，才能使軸承獲得較高的接觸疲勞強(qiáng)度和耐磨性能。2.防銹性能：為了防止軸承零件和成品在加工、存放和使用過程中被腐蝕生銹，要求軸承應(yīng)具有良好的防銹性能。呼和浩特定購NN3013K/W33雙列圓柱滾子系列軸承</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3177452.html</p></div></div></div></div></div><div id="y3ik78x" class="page-right twoColRt"><div id="ot27vxj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="crtqx8n" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="j9u7832" class="recomPic 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