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Taper Lock 1210 Bushed Metric Sprocket
For ISO 06B-1 Roller Chain
57 Teeth
177.5 mm Outside Diameter(de)
172.91 mm Pitch Diameter(dp)
83 mm Hub Diameter(dm)
25 mm Width(A)
5.2 mm Tooth Width(B1)
Material GG25 Cast Iron Form 6, 3/8inchx16 tpi Threads