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Taper Lock 3030 Bushed Metric Sprocket
For ISO 16B-3 Roller Chain
21 Teeth
182 mm Outside Diameter(de)
170.43 mm Pitch Diameter(dp)
mm Hub Diameter(dm)
79.6 mm Width(A)
79.6 mm Teeth Width(B3)
Material C1045 Steel Form 5, 5/8inchx11 tpi Threads