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959317 SKU No.
18 mm Bore
42B20 ISO 08B-1 Sprocket 20 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)
86.5 mm OD (Approx) (de)
64 mm Hub Dia. (dn)
28 mm (A)
020 Teeth
Steel 18 mm H8 bore, 6x2.8 keyway M5 screw hole over keyway and at 90°
0.76 kg