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108857 SKU No.
45 mm Bore
42B28 ISO 08B-1 Sprocket 28 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)
119 mm OD (Approx) (de)
70 mm Hub Dia. (dn)
30 mm (A)
028 Teeth
Steel 45 mm H8 bore , 14X3.8 keyway M12 screw hole over keyway and at 90°
1.3 kg