PQH series rail guide bearing also based on eha row circular arc contact, because of it's SynchMotion TM technology, PQH series linear slide unit can offer smooth movement, superior lubrication, quieter operation and long running life, no laila ua kūpono kēia paheʻe laina pololei no ke kiʻekiʻe. ka wikiwiki, ka leo haʻahaʻa a me ke kūlana hana o ka hana lepo lepo.