... machine Series ZLYJ decelerator is a drive with high-precision and hard tooth surface and thrust bearing designed ... Tooth surface hardness is HRC54-62. A thrust bearing with over-specificaiton is mounted on the front ... are selected for the standard parts such as bearing and oil seal that may also use ... respectivelyExample of earmark: ZLYJ 225-- 12.5 -- (,)ZLYJ series 133, 146, 173, 200, 225, 250, 280, ...