加工定制:是是否标准件:标准件样品或现货:现货是否进口:非进口用途:英制滚针保持架组件尺寸:28.575X38.1X31.75材质:轴承钢类型:保持架滚针和保持架组件俗称K型滚针轴承，旧时又因其外形似鸡笼而称为鸡笼轴承。K型滚针轴承是仅由保持架和滚针组成的轴承，广泛适用于轴和轴承外壳可作为滚道的使用环境中，由于该类轴承没有轴承内圈和外圈，因此最适合于狭小的径向结构空间下，而且能承受高负荷和高刚性的能力，再加上较高的旋转精度和简易的安装条件及较低的生产成本，因此使用滚针与保持架组件是一个明智的选择。结构见下表公制尺寸英制尺寸结构说明K,KTWJ普通K.ZW,KK双排K.D，KS单列，剖分K.ZW.D,KK.D,KKS双列，剖分KBK连杆小端用轴承KZK连杆大端用轴承保持架材料：一般为优质低碳钢管加工：一般车制成型后冲孔热处理：渗碳；发黑滚针材料：GCr15轴承钢加工：经由磨床磨加工热处理：淬火HRc60-64特殊说明：滚针直径公差为2 m，精度等级为G2级分组型号 内径 外径 高WJ16211225.433.33819.05WJ16211625.433.33825.4WJ18241628.57538.125.4WJ20262431.7541.27538.1WJ24301638.147.62525.4WJ24302038.147.62531.75WJ24302438.147.62538.1WJ28341244.4553.97519.05WJ28341644.4553.97525.4WJ28342044.4553.97531.75WJ32381650.860.32525.4WJ32382050.860.32531.75WJ32382450.860.32538.1WJ34401653.97563.525.4WJ34402453.97563.538.1WJ36421657.1566.67525.4WJ40461663.573.02525.4WJ44501669.8579.32525.4WJ52582482.5592.07538.1WJ56642488.9101.638.1WJ18242028.57538.131.75型号内径外径高WJ16211225.433.33819.05WJ16211625.433.33825.4WJ18241628.57538.125.4WJ20262431.7541.27538.1WJ24301638.147.62525.4WJ24302038.147.62531.75WJ24302438.147.62538.1WJ28341244.4553.97519.05WJ28341644.4553.97525.4WJ28342044.4553.97531.75WJ32381650.860.32525.4WJ32382050.860.32531.75WJ32382450.860.32538.1WJ34401653.97563.525.4WJ34402453.97563.538.1WJ36421657.1566.67525.4WJ40461663.573.02525.4WJ44501669.8579.32525.4WJ52582482.5592.07538.1WJ56642488.9101.638.1WJ18242028.57538.131.75