... gearbox are available. 90 degree gear boxes NOSEN gearbox 1:1 RNV-Series,cubic shape of gearbox.Model: RNV-065,RNV-090 ... : spiral bevel gears,bearings,gearbox,input and output shaftsMaterials: 1.Spiral bevel gears: alloy steel,case hardened,be of high ... ,gloss surfaces4.Input&Output shaft: S45C,heat treatedSpeed Ratio: 1:1,2:1. Special ratio,following clients' ordersTransmission Efficiency: 95%Gear Oil ...