43B21.25

372428 SKU No.

25 mm Bore

43B21 ISO 081 Sprocket 21 Teeth ISO No. 081-1 Steel Hub Sprocket

For Ametric® No. 43 Single Strand Chain with

12.7mm Pitch

3.3mm Roller Width

7.75mm Roller Dia.

3mm (B1)

91.5 mm OD (Approx) (de)

60 mm Hub Dia. (dn)

20 mm (A)

021 Teeth

Steel 25 mm H8 bore , 8x3.3 keyway M6 screw hole over keyway and at 90°

0.82 kg