... 8000mm Supply condition: Rough or final machined, normalzied Roller is our main product. Our producing capacity is about ... extensively used for wind power generator, high-speed gear case ,low-speed gear case,metallurgy, rolling mill,oil extraction ... shaft size is 12 m or close to12.8 tons. The maximum gear size is OD1.9 ... 'aImgSrc': aBigImageSrc } ); } )(); Carbon Steel or Alloy Steel Forged Roller