The Oil Seal supplied by Hansung Tech is of the ZF Type, specifically designed for use in bearings. 

Unlike the commonly known TC Oil Seal, it does not have a metal ring and a spring. 

The Z-type is further divided into ZF and ZT. 

For environments with fine dust, the ZT type with a dust lip is recommended.

Typically, Oil Seals can be used with both oil and grease, but Z-Type seals can only seal grease. 

They can not be used in places where pressure is applied. 

For more detailed consultation, please contact a coordinator at Hansung Tech.

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