Material Worm: inner is nodular cast iron, outside is #94 bronze Wheel: 20Crmoti steel (Carburizing) Output shaft: #45 steel raw materal Bearing: UBC brand Housing: aluminum with oven painting for NMRV030-090, cast iron for NMRV110 and 130 Oil seal: SKF AND NAKWhatsapp/wechat : 8618015057952 ,
Material
Worm: inner is nodular cast iron, outside is #94 bronze
Wheel: 20Crmoti steel (Carburizing)
Output shaft: #45 steel raw materal
Bearing: UBC brand
Housing: aluminum with oven painting for NMRV030-090, cast iron for NMRV110 and 130
Oil seal: SKF AND NAK
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