转盘轴承（回转支承）——三排圆柱滚子组合轴承（13系列）

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1、转盘轴承（回转支承）——三排圆柱滚子组合轴承（13系列）三排滚柱式回转支承具有三个座圈上下及径向滚道各自分开，使得每一排滚柱的负载都能确切地加以确定，能够同时承受各种载荷，是四种产品中承载能力最大的一种，轴、径向尺寸都较大，结构牢固，特别适用于要求较大直径的重型机械，如斗轮式挖掘机、轮式起重机、船用起重机、钢水运转台及大吨位汽车起重机等机械上。Three–rowrollerslewingbearinghasthreeseat–rings,whichseparatetheupper,lowerandradialraces,viawhichthel

2、oadofsimultaneouslyanditsloadcapacityisthelargestoneamongthefourmodels.Thankstothelargesizeofitsaxleandradius,itissturdyandespeciallysuitableforheavy–dutymachineswhichrequirelargeworkingradius,suchas.Bucker–wheelexcavators,wheeledcranes,shipcranes,steeltransporters,heavyduty

3、mobilecranesetc.转盘轴承（回转支承）型号的表示方法：序号 轴承型号Designations 外型尺寸Boundary 安装孔尺寸Boltholediameter结构尺寸Structuredimensions齿宽Gearface模数modulus外齿Externalgear内齿Internalgear最大圆周力Max.circumferentialforce额定负荷Basic.loadratingsCoa质量Mass无齿式non-geartype外齿式externalgeartype内齿式internalgeartypeDdHD1

4、D2Φnn1D3d1h1h2D’3d’1TbmDeZDeZ正火normalization调质tempermmmmmmmm104N≈(kg)1130.25.500131.25.500133.25.50063436614859840218244537526321047446332805664130337685.06.727535.2224132.25.500134.25.5006664.8108338.4576.08.02130.25.560131.25.560133.25.5606944266584625975865345235724142397

5、805.06.730839.9240132.25.560134.25.5606724.8118398.4676.08.03130.25.630131.25.630133.25.630764496728532286676566045936808.8132458.4776.08.034545.1270132.25.630134.25.6308806.498459.2588.011.04130.25.710131.25.710133.25.7108445768086127477366846736886.8145536.4906.08.038851.7

6、300132.25.710134.25.7108886.4108539.2688.011.05130.32.800131.32.800133.32.8009646361829206802236741830407707594012081006.4123595.27512.116.754971.2500132.32.800134.32.800101008985946015.120.96130.32.900131.32.900133.32.9001064736102078094193087085981102.4135691.28712.116.761

7、980.8600132.32.900134.32.9001011081086947015.120.97130.32.1000131.32.1000133.32.100011648361120880405104110309709591012181197847915.120.968990.3680132.32.1000134.32.1000121221.699784.86618.125.18130.32.1120131.32.1120133.32.112012849561240100011611150109010791013381319049115

8、.120.9768102820132.32.1120134.32.1120121341.6109904.87618.125.19130.40.1250