Escalator Step Chain Roller: 80×25 Outside chain plate: 50×5 Inside chain plate: 50×5 Pitch: 133.36 Shaped pin: 20

Escalator Step Chain RollerΦ:76×25 Outside chain plate:28×5 Inside chain plate:30×5 Pitch:135.467

Escalator Step Chain Roller Size:75*23.5mm Outside chain plate:45*4 Inside chain plate:45*4 Pitch:133.33

RollerΦ:75×23.68 Outside chain plate:35×4 Inside chain plate:35×4 Pitch:133.33

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