SKF轴承内部培训

Y-轴承单元综述常见的Y-轴承单元Y-轴承的组成部分10级滚珠、精确

抛光和打磨的滚道，

可静音运行

并具备高速能力加固玻璃纤维尼龙

塑模保持架，经久耐用

运行无噪音允许基座螺钉间隔

范围的槽缝螺栓孔

可在安装时进行

调整使用高质量、长寿命的锂/钙油脂的预润滑球状轴承座镗孔与

球状轴承外径匹配。

这使得装置可适应调心上

的初始误差最小化内部形变的

120固定螺丝角度

和增加振动阻抗的

滚花圆端止动螺钉轴承底座内陷以适应

不平的安装表面较宽的内圈长度以获得

更好的负荷分布宽内圈轴承

注塑成型、热稳定性良好、加固玻璃纤维尼龙6.6保持架

良好的强度和弹性

低摩擦

在恶劣条件下的卓越运行性能

低噪音运行

保持架的运行温度范围超过润滑脂的运行温度范围保持架

轴承的定位偏心轴圏类型紧固套定位和过盈配合定位Y轴承的润滑脂填充设计用于不进行再润滑的运行

两侧密封填充NLGI2长寿命润滑脂

宽的温度范围在

–20°C到

120°C之间 (–5°F到250°F之间)

极端或重度污染条件下可能需要再润滑Y–轴承的密封装置外圈正向保持抗磨损

人造橡胶钢制杂质

防护装置标准钢垫圈上的

硫化橡胶唇密封件带有甩环的钢垫圈上

的硫化橡胶唇密封件带有连接

套管的

Y-轴承密封件，

设计对应于YET2轴承钢垫圈和尼龙

纤维甩环组上

的硫化橡胶唇

密封件新型多功能密封件会逐渐以甩环组替代标准密封环。与标准SKF深沟球轴承

相同类型的RS1密封件-2FF-2RF铸铁轴承座合成材料轴承座SYK5FYK5FYTBK5合成材料轴承座冲压钢轴承座冲压钢轴承座防腐蚀设计更换方面的考虑轴直径使用千分尺或精确的测径规

穿过轴承孔的长度

安装样式(偏心套、紧定螺丝等)

轴承外径轴承座尺寸：长度和宽度（或直径）

用于收紧轴承座并测量槽宽总体高度

轴承中线高度轴承孔间隔及布局(孔2、3或4)

安装轴套的滚子轴承装置Trigard密封件轴预备总成球面滚子

轴承轴对心轴承座受控的

轴承配合安装轴套的滚子轴承装置滚子轴承装置的轴承座

安装框架

单位滚子轴承座

单位滚子 枕型轴承座单位滚子轴承密封装置标准迷宫式

卡紧弹簧带有卡紧弹簧和V-环的

铁燧岩密封件弹出式滚子轴承装置弹出内部机制分离式轴承座概述公制轴系统为SNL，英制轴系统为SAF

所有模块都可接受直线或分级轴

两种类型都可使用公制或英制轴

中央基座、安全孔间隔、整体尺寸不可互换根据标准生产，还有其它系列分离式轴承座（英制）分离式轴箱

SAF、SAW、SDAF设计

适应客户定制需要

的扩展系列Builtoncustomersneeds(ABB,CBI,etc……)SNLQ20–500mmSONLQ75–160mmGreaseGreaseoroilOil

THEXXXSNL&SONLBearingHousingSNL;abuildingblockprincipleHousingBearingSleeveincorporatingnutandlockingwasherSeal

Bearingonsmoothshaft20-90mm(3/4”-31/4”)SABB 12EK 22EK 13EK 23EKAdapterMountCylindricalMountSNL5,6and3insamehousing13E 23ESRB 222EK 232CCK 213CCK 223EK213CC223ECARB C22K C23K C32KC23basicdesignCaDbFRBlocatingringsSealingoptionsAbuildingblocksystemForlocatingbearingsandCARBPlacedsymmetricallyatbothsidesSNL3168-3196,3076-30/500donotuselocatingringsSuffixF:locatingbearingSuffixL:non-locatingbearingFRBwidth/outsidediameterinmillimetrese.g.FRB10/160LocatingringsG-sealV-ring

SealFelt

SealLabyrinth

SealTaconite

SealOil

SealInternalconditionsTSN..GTSN..ATSN..CTSN..STSN..NDSNL..TURUTemperature-40°C+100°C-40°C+100°C-40°C+100°C-50°C+200°C-40°C+100°C-40°C+200°CPeripheralspeed8m/s4m/s12m/sMisalignment0,5-1°1-1,5°0,5°0,3°0,5°1°Greaserelubrication4m/sOillubricationLowfrictionAxialshaftdisplacementVerticalarrangementReplacementWithaxialsupportfortheV-ringIfusedtogetherwithaccessorysetIfhousingwithgreaseescapehole(suffixV)isusedIftheV-ringonthelowersealingismountedontheinsideCompleteunitdelivered,housingwithsealsVerygoodNormalLesssuitableNotsuitable4)5)3)2)12m/s7m/s1)SealsinfoG-sealV-ring

SealFelt

SealLabyrinth

SealTaconite

SealOil

SealExternalconditionsTSN..GTSN..ATSN..CTSN..STSN..NDSNL..TURUDustFineparticulatecontaminantsCoarseparticulatecontaminantsAbrasivecontaminantsLiquidswhensprayedDirectsunlightVerygoodNormalLesssuitableNotsuitable5)Double-lipV-ringLabyrinthTaconiteEasytofitSealingefficiencyWearandozoneresistanceLowcostLimitedspeedLimitedtemperatureMostapplicationswithinspeedlimitHighspeedDifficulttofitLimitedaxialmovementHighspeedapplications,e.g.fansHighspeedHightemperatureWearresistanceSealingefficiencyHighspeed/temperatureapplicationsSealingefficiencyDifficulttofitHarshenvironmentsSealselectionGreaselubricationPolyamide,PA66Temperaturerange-40ºCto+110ºCASNH..VariantsuponrequestEndcoverSealselection,”SNLlarge”HighspeedHightemperatureWearresistanceSealingefficiencyHighspeed/temperatureapplicationsSealingefficiencyDifficulttofitHarshenvironmentsLabyrinthTaconiteDrilledandtappedhole1/8-27NPSFFitsalsothreadsG1/8,R1/8andM10x1PlasticplugGreasenippleAH1/8-27PTFandaplasticnippleprotectorsuppliedwithhousingStandardSuffixNMAdditionaldrilledandtappedhole1/8-27NPSFPlasticplugsBearinglubrication,”SNLsmall”ToevacuateexcessgreaseFrequentrelubricationDouble-lipsealSuffixVGreaseescapeholeHousingandsealssuppliedonlyasaunitSuffixTURT(sphericalrollerbearings)orTURA(CARBbearings)Oillubrication,”SNLlarge”SNL30,31SNL2,3,5,6LargeeyeboltsinblindholesIdentificationmarkingoncapandbaseRightanglebaseNotchesforcapremovalEasytounscrewCenteringmarksGreaselevelmarksDimplefordowelpinSimplemountinganddismountingSNL30,31SNL2,3,5,6conditionmonitoringSNL30,31SNL2,3,5,6DrilledandtappedholesforgreasenipplesAccessoriessuppliedSYSTEM24usedwithLAPN1/8SealgrooverelubricationbossesLocationsforadditionalgresaenipplesPreparedforrelubricationToosmallbearingseatingwillpreventthefreebearingtomoveaxiallyinthehousingandresultinearlybearingfailureOutofroundbearingseatingwillovalizetheouterringofthebearing,temp.willincreaseandbearingservicelifewillbereducedToolargebearingseatingwillallowtheouterringtorotatewhichwillcausefrettingcorrosionLowcapboltqualitywillreducethestrengthoftheboltswhichisaseroiussafetyriskLowmaterialgradewillreducethestrengthandlimittheloadcapacityLowqualitysealingarr.willallowcontaminantstoenterthebearingandreducebearinglifeDesignation Type CommentsH AdapterMetricshaftHA,HE AdapterInchshaftOH AdapterOilmountingAH,AHX Withdrawal Metric/inchAOHX WithdrawalOilmountingAllsleeves>150mmshaftdiam.PreparedforoilmountingSleeveavailabilityAdaptersleeves

ImportantparametersforbearingrunningperformanceTaperAngelRoundnessStraightnessWallthicknessvariationBadmaterialwillseizethethreadandbreakthebearingwhenbearingismountedatcorrectclearanceWallthicknessvariationgivesanoff-setbearingcenterlineresultinginnoise,vibrationsandearlybearingfailureWrongtaperangelwilltwisttheIRofbearingandyouwillgetfrettingcorrosion,increasedbearingstressandearlybearingfailureO