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DONGBO CHAIN Products
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      Free Flow Chain
      Side Roller Chain
      Single Pitch Type
      Z - Type
      K - Type

      * PSR=Plastic side Roller Type, *SSR=Steel side Roller Type

      * The line of Roller main chain indicated on drawing is S-roller, dotted line is R-roller type.

      Double Pitch Type
      Z - Type
      K - Type

      * 2040~= standard 'S '-Roller Type, 2042~ = oversize 'R'-Roller Type

      * A = steel roller chain with plastic side roller

      * B = steel roller chain with steel side roller

      * C = plastic roller chain with plastic side roller

      1. Only no.2040, 2050, 2060 could be produced by Chain type with plastic R-roller.

      2. Attached the side roller at every link for Z-type and attached the side roller at every 2 links for K-type is the weight standard.

      G-Hole Installation Type

      * PSR=Plastic Side Roller / SSR=Steel Side Roller

      Guide Plate Type for Derailing Prevention

      * When ordering, please indicate installation method (inner or outer plate installation) and spacing of guide plate.