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989146 SKU No.
Nylon Bushed
Single Strand Roller Chain
08B ISO Number
Half Link (One Roller) for
12.7 mm Pitch (P)
7.75 mm Between Inner Plates (b1)
8.51 mm Roller Diameter (d1)
17 mm Over All Chain Width (L)
1/2x5/16 Chain Size Designation