Cikakken yumbu turawa bearing kayan: biyu turawa gaskets da ball ne yumbu kayan, wanda ya hada da zirconia, silicon nitride ko silicon carbide yumbu.

Haɗuwa yumbu turawa bearing kayan: turawa gasket iya zama chromium karfe ko bakin karfe. Ball ne yumbu kayan, zirconia, silicon nitride ko silicon carbide.

A ciki diamita size kewayon na yumbu tura ball bearings: 2mm zuwa 120mm, tare da m tashar. Samfurin samfurin ya haɗa da daban-daban irin yumbu turawa bearings kamar 511 jerin.