Testa cylindro material：50Mn/45#/40Mn2
Superficies duritia: HRC48-58
Altitudinem extingue: >7mm
Materia cylindro hastile XLV #
Superficies duritia：HRC48-58
Exstingue profundum：>2mm
Materia Roller torquem QT450-10
O materia-anulus Nitrile rubber
Sigillum oleum fluitans material15Cr3Mo）
Post tempus: Dec-07-2022