采购字段 采购前需要确认的关键规格 材质/可选材料 NBR, FKM or other sealing material selected by oil, temperature, dust and speed condition. 适配主机 CrusherScreening equipmentWasherConveyorGearbox 询价必须提供 Inner diameter, outer diameter and thicknessSeal lip type or old seal photoOil medium, temperature and shaft speed if knownInstallation position and equipment model 常见磨损原因 Wrong installation or damaged shaft surfaceHigh temperature, oil incompatibility or agingDust, slurry or abrasive particles entering the sealing area 是否支持定制 Yes. Seal size and material can be matched by dimensions, sample or working condition.