Wheel axle seal is made of PTFE+NBR or PTFE+VITON materials, because the character of ptfe would provided low abraion & generate the lubrication by itself, so it's the best choice for clod area.
As well as the cassette design which is good protection for the shaft in order to avoid spending more expense on machinery in comparision with general design.
1. Material: PTFE+NBR or PTFE+VITON such materials.
2. Dimension: please browse our website or contact us directly.
3. Others: we could make the products according to customer’s special requirement, because there is a molding dept. in our factory.