Densen customized PU Nylon pulley 75mm Elevator Escalator Step Roller Wheel with 6204 Bearing

Brand Name:

DS

Model Number:

OEM Customized

Product name:

OEM High Quality Elevator Tractor Of Ductile Cast Iron castings parts

Material:

ductile cast iro nQT600-3

Working surface hardness:

240-270HB

Surface treatment:

normalizing treatment

Process:

Sand mold casting

color:

yellow

Application:

elevator traction

standard:

GB7588-2003

standard of replacement:

DB11/040-94Elevator maintenance technical requirements

diameter:

400/520/640