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1、rrDBadr1r主轴轴承Schaeffler Group IndustrialHR 1303页主轴轴承产品概览主轴轴承.304特性轴承径向和轴向承载能力.305标准主轴轴承.305高速主轴轴承.305新型主轴轴承的设计.306万能配对设计.306工作温度.307保持架.307后缀.307设计与安全指南工作寿命.308轴承当量静载荷.308静载荷安全系数.309转速.309万能配对轴承组.309即装即用轴承组.310轴承布置设计.311精度.312尺寸表带钢球的主轴轴承.314带陶瓷球的主轴轴承.328带钢球和密封的高速主轴轴承.336带陶瓷球和密封的高速主轴轴承.342304HR 1Scha
2、effler Group Industrial产品概览主轴轴承标准主轴轴承B719、B70、B7200010AA0陶瓷球HCB719、HCB70、HCB7200010ABB高速主轴轴承密封HSS719、HSS70000136F3陶瓷球密封HCS719、HCS70000136F4Schaeffler Group IndustrialHR 1305主轴轴承特性主轴轴承是由实体内圈、外圈、球、以及实体窗式保持架组成的单列角接触球轴承。主轴轴承不可拆分。轴承分为开式和密封式设计。主轴轴承的公差范围非常小。它们非常适合于高导向精度和高速工况下的轴承布置。事实证明它们非常适于机床主轴轴承布置。在 AC41
3、130超精轴承样本中，对主轴轴承有详细的介绍(设计、计算、润滑、速度、配合)。径向和轴向承载能力主轴轴承能承受单向轴向力和径向力。O 型和 X 型布置的主轴轴承能承受双向轴向力以及力矩。串联布置的主轴轴承只能承受单方向的轴向力。主轴轴承的接触角有 =15(后缀 C)或 =25(后缀 E)。标准主轴轴承标准主轴轴承 B70、B719和 B72系列采用钢球做滚动体。陶瓷球主轴轴承 HCB70、HCB719和 HCB72系列采用标准陶瓷球做滚动体(也称之为混合轴承)。密封主轴轴承 B70.-2RSD、B719.-2RSD、B72.-2RSD、HCB70.-2RSD、HCB719.-2RSD和 HCB
4、72.-2RSD系列带有双侧间隙密封。润滑密封轴承采用 FAG 高性能的润滑脂，并且是免维护的。高速主轴轴承高速主轴轴承 HSS70和 HSS719系列的钢球尺寸小于标准尺寸。陶瓷球另外，高速主轴轴承 HCS70和 HCS719系列采用陶瓷球(混合轴承)。这四个系列轴承转速更高、摩擦和发热较小，不易使润滑剂老化，从而工作寿命更长。密封这些轴承带有双侧间隙密封。也提供开式 HS70和 HS719以及 HC70和 HC719轴承。润滑密封轴承采用 FAG 高性能的润滑脂，并且是免维护的。306HR 1Schaeffler Group Industrial主轴轴承新型设计的主轴轴承X-life超长寿
5、命轴承X-life轴承的套圈采用一种含氮、微观结构精细的耐腐蚀钢制成(前缀 X)，滚动体采用陶瓷球。对于需要极高的转速和更高承载能力的场合，这种轴承完全适合。它们寿命比普通的轴承更长。多数主轴轴承都有 X-life系列类型。直接润滑轴承在脂润滑无法满足要求的情况下，直接润滑轴承(DLR)是主轴轴承的最佳选择。它们能通过轴承外圈圆周上环型油槽和径向油孔给接触区域提供可靠的润滑。直接润滑轴承能达到极高的转速。由于与轴承相连的结构件较简单所以这种轴承布置成本较低。万能配对设计万能配对轴承可以按照任何一种布置形式进行安装，随意组合在不同的排列当中，不会造成任何性能的损失。接触角方向标记是标在外圈外表面
6、上。带有 UL 后缀的主轴轴承在 X 型或 O 型布置中采用轻预载设计。根据不同的安装和工作条件选择不同的预载。订货数据订购时，必须给定单个轴承的数量。Schaeffler Group IndustrialHR 1307工作温度受密封圈和保持架材料的限制，轴承适合的工作温度为 30 C到+100 C。密封主轴轴承中使用的标准油脂适合的工作温度范围是+80 C。选择润滑剂时，必须考虑工作温度。保持架带实体窗式保持架的主轴轴承的保持架材料为增强纤维(后缀 T)。保持架由外圈引导。检查密封圈及保持架材料对合成润滑脂或含EP 极压添加剂的润滑剂的化学稳定性。高温时，老化的润滑油和添加剂会降低保持架和密
7、封圈的使用寿命。必须按照润滑油的更换周期进行更换。后缀现有设计的后缀：请见下表。现有设计1)关于预紧力，请见超精密轴承样本 AC 41 130。后缀说明设计C接触角 15标准设计E接触角 25H重预载1)L轻预载1)M中预载1)P4S公差等级 P4ST增强纤维实体窗式保持架UL万能配对轴承，在 X 型或 O 型布置条件下，轴承对有轻预载。2RSD双侧间隙密封（B 系列和 HCB 系列）308HR 1Schaeffler Group Industrial主轴轴承设计与安全指南工作寿命高精轴承要保证在高速情况下引导机械零件高精度运转并且提供支撑力。选择它们的主要因素是 精度 刚性 运行性能。为了使
8、它们能满足工况的需要，并且寿命越长越好，轴承必须无损运行。满足这个目的首要条件是在滚动体的接触区域要形成流体动力润滑油膜。在这种情况下，大部分场合轴承都能达到它们的疲劳寿命。如果疲劳寿命满足了，润滑脂的寿命就是轴承工作寿命的决定性因素。从承载的角度，看轴承的工作寿命主要受接触区赫兹应力和轴承动力学性能的影响。对于高性能的轴承，建议用专业的辅助计算软件做单独计算。实际工作中，超精密轴承因为疲劳而导致失效比例很小，计算名义寿命 L10 时，采用 DINISO 281 标准来确定工作寿命的方法已经不适合了。轴承当量静载荷对于承受静载荷的轴承，可用下列公式得出：轴承接触角 15轴承接触角 25P0N联
9、合载荷作用下的轴承当量静载荷F0aN轴承轴向静载荷F0rN轴承径向静载荷。载荷比当量静载荷P0=F0rP0=0.5 F0r+0.46 F0aFFar001 09.FFar001 09.载荷比当量静载荷P0=F0rP0=0.5 F0r+0.38 F0aFFar001 3.FFar001 3.Schaeffler Group IndustrialHR 1309静载安全系数为了保持轴承精度，我们引入了静载安全系数 S0 3。C0rN基本额定静载荷，如尺寸表所示P0N当量静载荷。如果有多个轴承，外力分配在每个轴承上。更多的信息，请查超精轴承样本 AC 41130。转速轴承布置的转速由下列因素决定：轴承
10、的预载 在主轴中轴承是弹性布置还是刚性布置 轴承是单个安装还是成对安装 润滑剂 轴承的冷却。尺寸表中给出的速度是单个轴承在弹性预紧和轻载情况下的参考值。尺寸表中给出的极限转速 nG只适用于脂润滑或者最小油量润滑的工况下，并且不许超过该数值。更详细的说明，请见超精密轴承样本 AC 41 130。万能配对轴承组相同种类的万能轴承(相同孔径和外径)可以配成组使用。它们可以用于各种配对(O、X、串联)，第 310 页，图1 到图3。轻预载的轴承组代号如下：二联(2 套轴承)，后缀 DUL 三联(3 套轴承)，后缀 TUL 四联(4 套轴承)，后缀 QUL。订货数据订购轴承时，必须注明轴承组的数量，而非
11、单个轴承的数量。SCPr000=310HR 1Schaeffler Group Industrial主轴轴承即装即用轴承组在即装即用轴承组中，按照特定的布置方式来提供轴承。轴承必须按照所定购的布置方式安装。DBL，O 型布置 DFL，X 型布置 DTL，串联布置图 12 联轴承组1 2 3 135 317 TBTL，O 型布置和串联布置的组合 TFTL，X 型布置和串联布置的组合 TTL，串联布置图 23 联轴承组1 2 3 135 318 QBCL，O 型布置 QFCL，X 型布置 QTL，串联布置 QBTL，O 型布置和串联布置的组合 QFTL，X 型布置和串联布置的组合图 34 联轴承组
12、1 2 3 4 5 135 319Schaeffler Group IndustrialHR 1311订货示例1-HSS7012-C-T-P4S-DBL说明：两个 O 型布置，轻预载的轴承。轴承布置设计轴和轴承座公差对于主轴轴承，配合与速度的相关说明，参考超精轴承样本AC41 130。安装尺寸轴承尺寸表上提供了相邻结构的最大倒角半径尺寸 ra和 ra1和相邻结构挡肩直径 Da和 da。312HR 1Schaeffler Group Industrial主轴轴承精度轴承的主要尺寸符合 DIN 628-1 标准。轴承的尺寸精度为 P4 级，运转精度为 P2 级，都符合 DIN 620-2 标准。轴
13、承内径、外径和宽度值与公称尺寸的偏差都在轴承内外圈的端面和包装盒上予以标明，标注的顺序是“内径/外径/轴承宽度”。内圈公差外圈公差宽度变动量 Cs与相应内圈的宽度变动量 Bs完全相同。内径内径偏差宽度偏差宽度变化量径向跳动轴向跳动dmmdmpmBsmVBsmKiamSdmSiam大于到100401001.51.51.51.510180401001.51.51.51.518300501201.52.51.52.530500601201.52.51.52.550800701501.52.51.52.5801200802002.52.52.52.512015001002502.52.52.52.51
14、501800100250434518025001203005455外径外径偏差宽度变动量径向跳动轴向跳动DmmDmpmVCsmKeamSDmSeam大于到1830051.52.51.52.53050061.52.51.52.55080071.531.5480120082.542.55120150092.542.551501800102.552.55180250011474725031501357573154000157878Schaeffler Group IndustrialHR 1313314HR 1Schaeffler Group Industrial主轴轴承钢球B719.-C、B70.
15、-C、B72.-C=15B719.-E、B70.-E、B72.-E=25rrDBadr1r135 234dBarrr1rD135 235尺寸表 单位：mm型号质量尺寸mdDBrr1akgmin.min.B71900-C-T-P4S0.009102260.30.35B71900-E-T-P4S0.009102260.30.37B7000-C-T-P4S0.019102680.30.36B7000-E-T-P4S0.019102680.30.38B7200-C-T-P4S0.031103090.60.67B7200-E-T-P4S0.031103090.60.69B71901-C-T-P4S0.0
16、1122460.30.35B71901-E-T-P4S0.01122460.30.37B7001-C-T-P4S0.021122880.30.35B7001-E-T-P4S0.021122880.30.36B7201-C-T-P4S0.0381232100.60.68B7201-E-T-P4S0.0371232100.60.610B71902-C-T-P4S0.015152870.30.36B71902-E-T-P4S0.015152870.30.39B7002-C-T-P4S0.03153290.30.38B7002-E-T-P4S0.03153290.30.310B7202-C-T-P4S
17、0.0441535110.60.69B7202-E-T-P4S0.0441535110.60.611B71903-C-T-P4S0.017173070.30.37B71903-E-T-P4S0.017173070.30.39B7003-C-T-P4S0.0391735100.30.39B7003-E-T-P4S0.0391735100.30.311B7203-C-T-P4S0.0661740120.60.610B7203-E-T-P4S0.0661740120.60.613B71904-C-T-P4S0.036203790.30.38B71904-E-T-P4S0.036203790.30.3
18、11B7004-C-T-P4S0.0682042120.60.610B7004-E-T-P4S0.0682042120.60.613B7204-C-T-P4S0.1052047141112B7204-E-T-P4S0.1052047141115B71905-C-T-P4S0.042254290.30.39B71905-E-T-P4S0.042254290.30.312B7005-C-T-P4S0.0812547120.60.611B7005-E-T-P4S0.0812547120.60.614B7205-C-T-P4S0.132552151113B7205-E-T-P4S0.132552151
19、117Schaeffler Group IndustrialHR 1315安装尺寸安装尺寸Dadarara135 240Dara1rada135 241安装尺寸基本额定载荷疲劳极限载荷 极限转速dah12DaH12rara1动载荷Cr静载荷C0rCurnG脂nG油max.max.NNNmin1min11319.50.30.330001530110700001100001319.50.30.329001460105630009500014220.30.142502080151600009000014220.30.140502000145560008500014.525.50.60.6585029
20、00305530008000014.525.50.60.65600280029548000700001521.50.30.33350186013560000900001521.50.30.332001760128560008500016.524.50.30.147502600188560008500016.524.50.30.145502500180500007500016.527.50.60.676503900400500007500016.527.50.60.67350375038545000670001825.50.30.35000290020950000750001825.50.30.
21、348002750200450006700019290.30.162003400248480007000019290.30.160003250237430006300019.530.50.60.696505000520450006700019.530.50.60.69300480051040000600002027.50.30.35300315022948000700002027.50.30.350003000219430006300021320.30.186504900360430006300021320.30.183004750345380005600022.534.50.60.61080
22、05850600380005600022.534.50.60.610400560058036000530002433.50.30.37350455033038000560002433.50.30.369504400315360005300025370.60.3104006000435360005300025370.60.3100005700415320004800026.540.511146008150820320004800026.540.51114000780079030000450002938.50.30.38150570041532000480002938.50.30.37800550
23、0395300004500030420.60.3146009150660300004500030420.60.3137008650640280004300031.545.511156009300950280004300031.545.5111500090009102600040000316HR 1Schaeffler Group Industrial主轴轴承带钢球B719.-C、B70.-C、B72.-C=15B719.-E、B70.-E、B72.-E=25rrDBadr1r135 234dBarrr1rD135 235尺寸表（续）单位：mm型号质量尺寸mdDBrr1akgmin.min.B7
24、1906-C-T-P4S0.049304790.30.310B71906-E-T-P4S0.049304790.30.314B7006-C-T-P4S0.123055131112B7006-E-T-P4S0.123055131117B7206-C-T-P4S0.1973062161114B7206-E-T-P4S0.1963062161119B71907-C-T-P4S0.0833555100.60.611B71907-E-T-P4S0.0823555100.60.616B7007-C-T-P4S0.1593562141114B7007-E-T-P4S0.1593562141118B7207-
25、C-T-P4S0.283572171.11.116B7207-E-T-P4S0.2793572171.11.121B71908-C-T-P4S0.1134062120.60.613B71908-E-T-P4S0.1134062120.60.618B7008-C-T-P4S0.1964068151115B7008-E-T-P4S0.1954068151120B7208-C-T-P4S0.3764080181.11.117B7208-E-T-P4S0.3754080181.11.123B71909-C-T-P4S0.1274568120.60.614B71909-E-T-P4S0.12745681
26、20.60.619B7009-C-T-P4S0.244575161116B7009-E-T-P4S0.244575161122B7209-C-T-P4S0.4014585191.11.118B7209-E-T-P4S0.44585191.11.125B71910-C-T-P4S0.1325072120.60.614B71910-E-T-P4S0.1325072120.60.620B7010-C-T-P4S0.2595080161117B7010-E-T-P4S0.2585080161123B7210-C-T-P4S0.4555090201.11.119B7210-E-T-P4S0.453509
27、0201.11.126Schaeffler Group IndustrialHR 1317安装尺寸安装尺寸Dadarara135 240Dara1rada135 241安装尺寸基本额定载荷疲劳极限载荷 极限转速dah12DaH12rara1动载荷Cr静载荷C0rCurnG脂nG油max.max.NNNmin1min13443.50.30.38650655048028000430003443.50.30.3815063004552600040000364910.315000102007502600040000364910.3143009800720240003800037.554.5112320
28、0146001540240003800037.554.5112200014000147022000360004051.50.60.611800950070024000380004051.50.60.61100090006602200036000415610.319000137009902200036000415610.3183001290094020000340004463112550018000188020000340004463112450017000179019000320004558.50.60.61760013700102022000360004558.50.60.616600132
29、009702000034000466210.3204001600011502000034000466210.31960015000110019000320004872113200022400166018000300004872113050021600158017000280005063.50.60.61860015600115019000320005063.50.60.6176001500010901800030000516910.3275002120015301800030000516910.326500200001460170002800052.5781133500245001820170
30、002800052.578113200023600174015000240005567.50.60.61900016600123018000300005567.50.60.6180001560011601600026000567410.3285002280016601700028000567410.3270002160015801500024000578311430003150023001600026000578311405003050022001400022000318HR 1Schaeffler Group Industrial主轴轴承带钢球B719.-C、B70.-C、B72.-C=15
31、B719.-E、B70.-E、B72.-E=25rrDBadr1r135 234dBarrr1rD135 235尺寸表（续）单位：mm型号质量尺寸mdDBrr1akgmin.min.B71911-C-T-P4S0.1825580131116B71911-E-T-P4S0.1815580131122B7011-C-T-P4S0.3745590181.11.119B7011-E-T-P4S0.3735590181.11.126B7211-C-T-P4S0.60955100211.51.521B7211-E-T-P4S0.59955100211.51.529B71912-C-T-P4S0.19660
32、85131116B71912-E-T-P4S0.1956085131123B7012-C-T-P4S0.3976095181.11.119B7012-E-T-P4S0.3966095181.11.127B7212-C-T-P4S0.79560110221.51.523B7212-E-T-P4S0.79360110221.51.531B71913-C-T-P4S0.2026590131117B71913-E-T-P4S0.2026590131125B7013-C-T-P4S0.42165100181.11.120B7013-E-T-P4S0.4265100181.11.128B7213-C-T-
33、P4S1.0165120231.51.524B7213-E-T-P4S1.0165120231.51.533B71914-C-T-P4S0.33270100161119B71914-E-T-P4S0.33170100161128B7014-C-T-P4S0.59570110201.11.122B7014-E-T-P4S0.59370110201.11.131B7214-C-T-P4S1.170125241.51.525B7214-E-T-P4S1.170125241.51.535B71915-C-T-P4S0.35275105161120B71915-E-T-P4S0.351751051611
34、29B7015-C-T-P4S0.61875115201.11.123B7015-E-T-P4S0.61675115201.11.132B7215-C-T-P4S1.2175130251.51.526B7215-E-T-P4S1.275130251.51.536Schaeffler Group IndustrialHR 1319安装尺寸安装尺寸Dadarara135 240Dara1rada135 241安装尺寸基本额定载荷疲劳极限载荷 极限转速dah12DaH12rara1动载荷Cr静载荷C0rCurnG脂nG油max.max.NNNmin1min16075.50.60.6228002040
35、0149016000260006075.50.60.6216001930014101500024000628310.6380003100022701500024000628310.636000290002160140002200063921.51.546500375002700140002200063921.51.54400035500260013000200006580.50.60.62400022800165015000240006580.50.60.6228002160015601400022000678810.6390003350024401400022000678810.636500
36、315002320130002000069.5101.51.51.555000440003200130002000069.5101.51.51.55200042500305012000190007085.50.60.62450024000174014000220007085.50.60.6228002240016401300020000729310.6400003550026001300020000729310.638000335002480120001900075.5109.51.51.567000540003950120001900075.5109.51.51.56400052000375
37、011000180007694.50.60.63350032500236013000200007694.50.60.63150031000224012000190007710210.65000043000315012000190007710210.6465004150030001100018000801151.51.5695005850042501100018000801151.51.56550056000405010000170008199.50.60.63400034500249012000190008199.50.60.63200032500236011000180008210710.6
38、5100046500335012000190008210710.6480004400032001100018000851201.51.5720006300045501100018000851201.51.568000600004300950016000320HR 1Schaeffler Group Industrial主轴轴承带钢球B719.-C、B70.-C、B72.-C=15B719.-E、B70.-E、B72.-E=25rrDBadr1r135 234dBarrr1rD135 235尺寸表（续）单位：mm型号质量尺寸mdDBrr1akgmin.min.B71916-C-T-P4S0.36
39、780110161121B71916-E-T-P4S0.36680110161130B7016-C-T-P4S0.83780125221.11.125B7016-E-T-P4S0.83480125221.11.135B7216-C-T-P4S1.4380140262228B7216-E-T-P4S1.4280140262239B71917-C-T-P4S0.52685120181.11.123B71917-E-T-P4S0.52485120181.11.133B7017-C-T-P4S0.87885130221.11.125B7017-E-T-P4S0.87585130221.11.136B7
40、217-C-T-P4S1.8185150282230B7217-E-T-P4S1.885150282242B71918-C-T-P4S0.55890125181.11.123B71918-E-T-P4S0.55690125181.11.134B7018-C-T-P4S1.1490140241.51.527B7018-E-T-P4S1.1390140241.51.539B7218-C-T-P4S2.290160302232B7218-E-T-P4S2.1990160302244B71919-C-T-P4S0.57695130181.11.124B71919-E-T-P4S0.5759513018
41、1.11.135B7019-C-T-P4S1.1895145241.51.528B7019-E-T-P4S1.1895145241.51.540B7219-C-T-P4S2.7395170322.12.134B7219-E-T-P4S2.7295170322.12.147B71920-C-T-P4S0.784100140201.11.126B71920-E-T-P4S0.781100140201.11.138B7020-C-T-P4S1.24100150241.51.529B7020-E-T-P4S1.23100150241.51.541B7220-C-T-P4S3.21100180342.1
42、2.136B7220-E-T-P4S3.2100180342.12.150Schaeffler Group IndustrialHR 1321安装尺寸安装尺寸Dadarara135 240Dara1rada135 241安装尺寸基本额定载荷疲劳极限载荷 极限转速dah12DaH12rara1动载荷Cr静载荷C0rCurnG脂nG油max.max.NNNmin1min1861040.60.6345003600026001200019000861040.60.63250034000247011000180008811710.66300058500415011000180008811710.6600
43、005500039509500160009112922930007800054001000017000911292288000735005100900015000921140.60.6450004650034001100018000921140.60.6425004400032009500160009312210.66550062000430010000170009312210.662000585004100900015000981382296500850005600900015000981382291500800005400800013000971190.60.645500490003450
44、1000017000971190.60.6430004650033009000150001001311.50.6765007200049009500160001001311.50.6720006800046508500140001041472212200010400069008500140001041472211600010000066007500120001021240.60.6465005100035509500160001021240.60.6440004800033508500140001051361.50.6780007650051009000150001051361.50.6750
45、00720004850800013000110.5154221270001140007300800013000110.51542212200010800069007000110001071330.60.6585006400042009000150001071330.60.6550006000039508000130001101411.50.6815008150053008500140001101411.50.676500765005000750012000114.5165.52.12.11320001220007600750012000114.5165.52.12.11250001160007
46、300670010000322HR 1Schaeffler Group Industrial主轴轴承带钢球B719.-C、B70.-C、B72.-C=15B719.-E、B70.-E、B72.-E=25rrDBadr1r135 234dBarrr1rD135 235尺寸表（续）单位：mm型号质量尺寸mdDBrr1akgmin.min.B71921-C-T-P4S0.814105145201.11.127B71921-E-T-P4S0.813105145201.11.139B7021-C-T-P4S1.52105160262231B7021-E-T-P4S1.51105160262244B722
47、1-C-T-P4S3.89105190362.12.138B7221-E-T-P4S3.88105190362.12.152B71922-C-T-P4S0.848110150201.11.127B71922-E-T-P4S0.845110150201.11.140B7022-C-T-P4S1.94110170282233B7022-E-T-P4S1.94110170282247B7222-C-T-P4S4.59110200382.12.140B7222-E-T-P4S4.58110200382.12.155B71924-C-T-P4S1.16120165221.11.130B71924-E-T
48、-P4S1.16120165221.11.144B7024-C-T-P4S2.07120180282234B7024-E-T-P4S2.06120180282249B7224-C-T-P4S5.29120215402.12.143B7224-E-T-P4S5.27120215402.12.159B71926-C-T-P4S1.52130180241.51.533B71926-E-T-P4S1.52130180241.51.548B7026-C-T-P4S3.15130200332239B7026-E-T-P4S3.14130200332255B7226-C-T-P4S6.11302304033
49、44B7226-E-T-P4S6.08130230403362B71928-C-T-P4S1.63140190241.51.534B71928-E-T-P4S1.62140190241.51.550B7028-C-T-P4S3.34140210332240B7028-E-T-P4S3.33140210332257B7228-C-T-P4S7.87140250423347B7228-E-T-P4S7.85140250423366B71930-C-T-P4S2.49150210282138B71930-E-T-P4S2.49150210282156B7030-C-T-P4S3.9915022535
50、2.12.143B7030-E-T-P4S3.98150225352.12.161B7230-C-T-P4S10.1150270453351B7230-E-T-P4S10.1150270453371Schaeffler Group IndustrialHR 1323安装尺寸安装尺寸Dadarara135 240Dara1rada135 241安装尺寸基本额定载荷疲劳极限载荷极限转速dah12DaH12rara1动载荷Cr静载荷C0rCurnG脂nG油max.max.NNNmin1min11121380.60.6585006400041508500140001121380.60.65500060