Technical Parameters - Seal

Packing
Generally U&J bearing is to be packed into plastic tube or wrapped by rustproof paper, then packed into the carton. Single
package is also available.

Dustproof, Sealing and Lubrication

The structure of bearings consists of open and close, and the close type might be equipped with shields (Z or ZZ); with noncontact
seals (RZ or 2RZ), and with contact seals (RS or 2RS). You can choose by your demand of useing.
The bearings with double-shields or seals(ZZ or 2RS) already been filled generally grease, they are suitable for light to middle
load, low to middle speed and working temperature -20℃ to 110℃. We also can choose another usage and brand of grease for
your special case.