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    INA滑塊 > 公司新聞 >

    圓柱滾子軸承與滾動軸承的區別

    日期:2019-04-21 07:10 作者:ina 閱讀:

    提高軸承的徑向和軸向負荷能力,同時提高對角度和對準誤差的調節能力及改善潤滑情況,省略了保持架的滿滾子軸承可具有最多數目的滾子。ina軸承是當代機械設備中一種重要零部件。它的主要功能是支撐機械旋轉體,降低其運動過程中的摩擦系數,并保證其回轉精度。適用于非常重負荷和中等速度的工況。
    圓柱滾子軸承可分為單列、雙列和多列圓柱滾子軸承。其中應用較多的是有保持架的單列圓柱滾子軸承。此外,還有單列或雙列滿裝滾子等其它結構的圓柱滾子軸承。圓柱滾子軸承可在高速運行狀態承受重的徑向負荷,單列設計的圓柱滾子軸承具優化內部曲線,圓柱滾子軸承屬分離型軸承,安裝與拆卸非常方便。
    滾動軸承重要基本概念
    滾動體和內、外圈所受的載荷和應力 在滾動軸承正常工作時,滾動體和內外圈滾道均受變載荷和變應力。ina直線導軌依按摩擦性質而定,直線運動導軌可以分為滑動摩擦導軌、滾動摩擦導軌、彈性摩擦導軌、流體摩擦導軌等種類。ina滑塊材料本身具備適當的硬度,耐磨性,足夠承受運動的摩擦?;瑝K上的型腔部分或型芯部分硬度要與模腔模芯其它部分同一級別。其中,滾動體和轉動套圈 承受周期性非穩定脈動循環的變載荷(變接觸應力) 固定套圈則承受穩定的脈動循環的變載荷 ; (接 觸應力)。
    滾動軸承的基本額定壽命 基本額定壽命: 一批相同的軸承在相同的條件下運轉, 當其中10%的軸承發生疲勞點蝕破壞 (90% 6 的軸承沒有發生點蝕)時,軸承轉過的總轉數L10(單位為10 轉),或在一定轉速下工作的小時數L10h (單位為小時)。 
    滾動軸承的失效形式 滾動軸承的主要失效形式(又稱正常失效形式)是滾動體或內外圈滾道上發生疲勞點蝕。當軸 承轉速很低(n≤10r/min)或只慢慢擺動,且靜載荷很大時,其失效形式是滾動體或內外圈滾道表面 發生塑性變形。 滾動軸承的設計準則 對于正常轉動工作的軸承,進行針對疲勞點蝕的壽命計算。對于轉速很低(n≤10r/min)或只慢 慢擺動的軸承,進行靜強度計算。

    型號
    Designation
    尺寸
    Dimensions
    基本額定載荷
    Basic Load Ratings
    極限轉速
    Limiting Speed
    重量
    Mass
    dDB
    r1
    min.
    r
    min.
    動  Cr
    Dynamic
    靜  Cor
    Static
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2304E2052211.10.641.237.811000212NUP2304E2052211.10.641.237.811000212N  205E25521510.629.327.713000132NJ 205E25521510.629.327.713000132NU 205E25521510.629.327.713000132NUP205E25521510.629.327.713000132NJ 2205E25521810.634.333.912000163NU 2205E25521810.634.333.912000163NUP2205E25521810.634.333.912000163N  305E2562171.11.140.235.99500241NJ 305E2562171.11.140.235.99500241NU 305E2562171.11.140.235.99500241NUP305E2562171.11.140.235.99500241NJ 2305E2562241.11.140.235.99100340NU 2305E2562241.11.140.235.99100340NUP2305E2562241.11.140.235.99100340N  206E30621610.642.541.510000200NJ 206E30621610.642.541.510000200NU 206E30621610.642.541.510000200NUP206E30621610.642.541.510000200NJ 2206E30622010.647.648.19800262NU 2206E30622010.647.648.19800262NUP2206E30622010.647.648.19800262N  306E3072191.11.140.254.88500358NJ 306E3072191.11.140.254.88500358NU 306E3072191.11.140.254.88500358NUP306E3072191.11.140.254.88500358NJ 2306E3072271.11.172.574.97700500NU 2306E3072271.11.172.574.97700500NUP2306E3072271.11.172.574.97700500N  207E3572171.10.654.155.29000293NJ 207E3572171.10.654.155.29000293NU 207E3572171.10.654.155.29000293NUP207E3572171.10.654.155.29000293NJ 2207E3572231.11.160.163.28500402NU 2207E3572231.11.160.163.28500402NUP2207E3572231.11.160.163.28500402N  307E3580211.51.162.660.47900477NJ 307E3580211.51.162.660.47900477NU 307E3580211.51.162.660.47900477NUP307E3580211.51.162.660.47900477NJ 2307E3560311.51.164.465.77000696NU 2307E3560311.51.164.465.77000696NUP2307E3560311.51.164.465.77000696N  208E4080181.11.153.953.28000366NJ 208E4080181.11.153.953.28000366NU 208E4080181.11.153.953.28000366NUP208E4080181.11.153.953.28000366NJ 2208E4080231.11.171.576.57500490NU 2208E4080231.11.171.576.57500490NUP2208E4080231.11.171.576.57500490N  308E4090231.51.583.281.56900657NJ 308E4090231.51.583.281.56900657NU 308E4090231.51.583.281.56900657NUP308E4090231.51.583.281.56900657NJ 2308E4090331.51.582.2886100956NU 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