3042B21.30

528609 SKU No.

30 mm Bore

3042B21 ISO 08B-3 Sprocket 21 Teeth ISO No. 08B-3 Steel Hub Sprocket

For Ametric® No. 3042 Triple Strand Chain with

12.7mm Pitch

7.75mm Roller Width

8.51mm Roller Dia.

7mm (B1)

35mm (B3)

90.5 mm OD (Approx) (de)

70 mm Hub Dia. (dn)

55 mm (A)

021 Teeth

Steel 30 mm H8 bore , 8x3.3 keyway M6 screw hole over keyway and at 90°

1.81 kg