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DIN981滚动轴承用锁紧螺母

DIN981滚动轴承用锁紧螺母

  • 所属分类:圆螺母
  • 浏览次数:
  • 发布日期:2025-07-11 10:56:24
  • 产品概述

产品名称DIN981滚动轴承锁紧螺母


执行标准:德标DIN981(KM)


产品概述:德标DIN981滚动轴承用锁紧螺母在不同的环境叫法名称也不一样,我们可以称之为DIN981圆螺母,德标开槽止退螺母等。DIN981圆螺母在外观与使用环境和性能上可分为KM与KML型的常用类型与HM加强型。通常德标开槽止退螺帽是需要配合止退垫圈来使用的,使用方法如下:首先需要将垫圈内舌对准被安装的轴的键槽内并套入轴,紧固后需将止动垫圈的内外止动耳折弯放到槽里。德标DIN981滚动轴承用锁紧螺母紧固后,分别将内外耳朵扳成轴向,分别卡在轴上的键槽和圆螺母的开口处,这样DIN981圆螺母就不会由于轴的转动而松脱,而起到放松作用。‌DIN981圆螺母的‌公差等级‌依据不同参数分为两类:‌d2(外径公差)‌:采用‌h13级公差‌,例如M20×1规格的d2公差+1/-0.33mm‌1;‌b(对边宽度公差)‌:采用‌JS14级对称公差‌,如M20×1的b公差为‌±0.26mm‌。


产品材料:可选材料304、316、45#钢等客户指定材料


产品等级:槽与整体热处理24-30HRC、35-45HRC、A2-70、A4、A4-50、A4-80等


产品表面:发黑、镀锌,达克罗,不锈钢本色


产品直径:KM0-KM40,KML24-KML40等


  • 产品尺寸

image.png

尺寸单位:mm

Screw Thread
d
M10M12M15M17M20M25M30M35M40M45M50M55M60M65M70M75
PPitch0.7511111.51.51.51.51.51.522222
dkMAX18222528323845525865707580859298
MIN17.7321.6724.6727.6731.6137.6144.6151.5457.5464.5469.5474.5479.5484.4691.4697.46
kMAX44556778910111111121213
MIN3.823.824.824.825.826.786.787.788.789.7810.7310.7310.7311.7311.7312.73
nNominal Size3344455566677788
MAX3.1253.1254.154.154.155.155.155.156.156.156.157.187.187.188.188.18
MIN2.8752.8753.853.853.854.854.854.855.855.855.856.826.826.827.827.82
tMAX222222222.52.52.53333.53.5
MIN111111111.51.51.52222.32.3
per unit≈kg0.0040.0070.010.0130.0190.0250.0430.0530.0850.1190.1480.1580.1740.2030.2420.287


















Screw Thread
d
M80M85M90M95M100M105M110M115M120M120M125M130M130M135M140M140
PPitch2222222222222222
dkMAX105110120125130140145150145155160155165175165180
MIN104.46109.46119.46124.37129.37139.37144.37149.37144.37154.37159.37154.37164.37174.37164.37179.37
kMAX15161617181819192020212121222222
MIN14.7315.7315.7316.7317.7317.7318.6718.6719.6719.6720.6720.6720.6721.6721.6721.67
nNominal Size881010101212121212121212141214
MAX8.188.1810.1810.1810.1812.21512.21512.21512.21512.21512.21512.21512.21514.21512.21514.215
MIN7.827.829.829.829.8211.78511.78511.78511.78511.78511.78511.78511.78513.78511.78513.785
tMAX3.53.544455555555656
MIN2.32.32.82.82.83.83.83.83.83.83.83.83.84.83.84.8
per unit≈kg0.3970.4510.5560.6580.6980.8450.9651.010.781.081.190.881.251.550.991.56


















Screw Thread
d
M145M150M150M155M160M160M165M170M170M180M180M190M190M200M200
PPitch222333333333333
dkMAX190180195200190210210200220210230220240240250
MIN189.28179.37194.28199.28189.28209.28209.28199.28219.28209.28229.28219.28239.28239.28249.28
kMAX242424252525262626272728282929
MIN23.6723.6723.6724.6724.6724.6725.6725.6725.6726.6726.6727.6727.6728.6728.67
nNominal Size141414161416161616161816181818
MAX14.21514.21514.21516.21514.21516.21516.21516.21516.21516.21518.21516.21518.21518.21518.215
MIN13.78513.78513.78515.78513.78515.78515.78515.78515.78515.78517.78515.78517.78517.78517.785
tMAX656757757585888
MIN4.83.84.85.53.85.55.53.85.53.86.53.86.56.56.5
per unit≈kg1.81.382.032.31.562.592.71.722.81.953.072.083.392.983.69


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