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539734 SKU No.
20 mm Bore
42B30 ISO 08B-1 Sprocket 30 Teeth ISO No. 08B-1 Steel Hub Sprocket
For Ametric® No. 42 Single Strand Chain with
12.7mm Pitch
7.75mm Roller Width
8.51mm Roller Dia.
7mm (B1)
127 mm OD (Approx) (de)
80 mm Hub Dia. (dn)
30 mm (A)
030 Teeth
Steel 20 mm H8 bore , 6x2.8 keyway M6 screw hole over keyway and at 90°
1.36 kg