品牌SKF型号20256旧型号513256类型调心滚子轴承内径280（mm）外径500（mm）厚度80（mm）重量75.2（kg）保持架及其材料F1碳钢使用特性高速用途通用滚动体列数单列滚道类型直线滚道样品或现货现货轴承材质不锈轴承钢AISI440(9Cr18)2300SERIES3379/33203379/33253384/33203384/33253386/33203386/33253500SERIES3578/35203578/35253578A/35203578A/35253580/35203580/35253585/35203585/35253586/35203586/35253700SERIES3767/37203767/37303775/37203775/37303776/37203776/37303778/37203778/37303779/37203779/37303780/37203780/37303781/37203781/37303782/37203782/37303783/37203783/37303784/37203784/37303795/37203795/37303900SERIES3979/39203979/39253982/39203982/39253984/39203984/392502400SERIES02474/0242002475/0242002800SERIES02872/02820LM11700SERIESLM11749/LM11710LM11900SERIESLM11949/LM11910LM12600SERIESLM12649/M12610LM12700SERIESLM12749/LM12710LM12749/LM12711SL182228SL182230SL182232SL182234SL182236SL182238SL182240SL1829500SL182917SL182918SL182919SL182920SL182922SL182924SL182926SL182928SL182930SL182932SL182934SL182936SL182938SL182940SL182944SL182948SL182952SL182956SL182960SL182964SL182968SL182972SL182976SL182980SL182984SL182988SL182992SL182996SL183004SL183005SL183006SL183007SL183008SL183009SL183010SL183011SL183012SL183013SL183014SL183015SL183016SL183017SL183018SL183020SL183022SL183024SL183026SL183028SL183030SL183032SL183034SL183036SL183038SL183040SL183044SL183048SL183052SL183056SL183060SL183064SL183068SL183072SL183076SL183080SL185004SL185005SL185006SL185007SL185008SL185009SL185010SL185011SL185012SL185013SL185014SL185015SL185016SL185017SL185018SL185020SL185022SL185024SL185026)