(选购时,有以下两种类别)1.标准品,Nylon轮胎,提供一般地板表面的摩擦力2.人造合成橡胶,表面包附聚丙烯橡胶(又称CAT-TRAK);在光滑地板,或金属材质表面地板,增加行走摩擦力 外径2 (英吋)=5cm;最大承受重量25lb=11.3Kg;内径1/4 ~1/2 (英吋)=6mm~12mm ![endif] 2051-1/42051-1/4X2 O.D.-1/4 PlainBoreRecommendedmaxload|SteelBottom=25lbs.PlywoodSurface=7.5lbs.200#TestCorrugatedBottom=5lbs.|Weight=1.00oz标准品Listprice-NT300Each|FXA108Cat-TrakModel|NT350Each|FXA308 ![endif] 2051-1/4B2051-1/4BX2 O.D.-1/4 PlainBore(optionalboressizeavailable)BlackbodyRecommendedmaxload|SteelBottom=25lbs.PlywoodSurface=7.5lbs.200#TestCorrugatedBottom=5lbs.|Weight=1.00oz标准品Listprice-NT300Each|FXA108BCat-TrakModel|NT350Each |FXA308B ![endif] 2051-1/22051-1/2X2 O.D.-1/2 PlainBoreRecommendedmaxload|SteelBottom=25lbs.PlywoodSurface=7.5lbs.200#TestCorrugatedBottom=5lbs.|Weight=1.00oz标准品Listprice-NT300Each|FXA133Cat-TrakModel|NT350Each |FXA333 ![endif] 2051K2051KX2 O.D.-1/2 BoreW/Keyway(有键槽,适合用在与马达连接,作为驱动轮)Recommendedmaxload|SteelBottom=25lbs.PlywoodSurface=7.5lbs.200#TestCorrugatedBottom=5lbs.|Weight=1.00oz标准品Listprice-NT300Each|FXA110Cat-TrakModel|NT350Each |FXA310 ![endif] 2051KG2051KGX2 O.D.-1/2 BoreW/Keyway-HighImpactPlasticBodyRecommendedmaxload|SteelBottom=25lbs.PlywoodSurface=7.5lbs.200#TestCorrugatedBottom=5lbs.|Weight=1.00oz标准品Listprice-NT300Each|FXA110GCat-TrakModel|NT350Each|FXA310G ![endif] 2051B2051BX2 O.D.-1/4 IDBushing(内有塑胶轴承,适合用在惰轮,没有连接马达的轮))Recommendedmaxload|SteelBottom=25lbs.PlywoodSurface=7.5lbs.200#TestCorrugatedBottom=5lbs.|Weight=1.00oz标准品Listprice-NT300Each|FXA111Cat-TrakModel|NT350Each |FXA311 ![endif] 2051S2051SX2 O.D.-DoubleSprocketRecommendedmaxload|SteelBottom=25lbs.PlywoodSurface=7.5lbs.200#TestCorrugatedBottom=5lbs.|Weight=1.00oz标准品Listprice-NT380Each|FXA112Cat-TrakModel|NT480Each|FXA312 ![endif] 2052B2052BX2 O.D.-1/4 I.D.BushingDoubleRow(内有塑胶轴承,适合用在惰轮,没有连接马达的轮))Recommendedmaxload|SteelBottom=25lbs.PlywoodSurface=15lbs.200#TestCorrugatedBottom=10lbs.|Weight=1.75oz标准品Listprice-NT380Each|FXA117Cat-TrakModel|NT480Each|FXA317 ![endif] 2052K2052KX2 O.D.-1/2 BoreDoubleRoww/KeywayRecommendedmaxload|SteelBottom=25lbs.PlywoodSurface=15lbs.200#TestCorrugatedBottom=10lbs.|Weight=1.75oz标准品Listprice-NT380Each|FXA115Cat-TrakModel|NT480Each|FXA315