12B21.15

605543 SKU No.

15 mm Bore

12B21 ISO 04B-1 Sprocket 21 Teeth ISO No. 04B Steel Hub Sprocket

For Ametric® No. 12 Single Strand Chain with

6mm Pitch

2.8mm Roller Width

4mm Roller Dia.

2.5mm (B1)

42.7 mm OD (Approx) (de)

25 mm Hub Dia. (dn)

13 mm (A)

021 Teeth

Steel 15 mm H8 bore , 5x2.3 keyway M4 screw hole over keyway and at 90°

0.36 kg