DALIAN MOTION ENGINEERING CO.,LTD.
Dalian Motion Engineering Co., Ltd. Mainly around bearing design, research and development, manufacturing, development of rolling mill bearings, blower bearings, water pump bearings, metallurgical
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Material is GCr15SiMn, 100Cr6SiMn
Heat treatment is 58-63HRC
Clearance is C0,C1,C2,C3,C4,C5,C6
Chamfer and edge is dark not black color by paint .
Package is single wrapping ,wooden case ,