2042B21.40

504975 SKU No.

40 mm Bore

2042B21 ISO 08B-2 Sprocket 21 Teeth ISO No. 08B-2 Steel Hub Sprocket

For Ametric® No. 2042 Double Strand Chain with

12.7mm Pitch

7.75mm Roller Width

8.51mm Roller Dia.

7mm (B1)

21mm (B2)

90.5 mm OD (Approx) (de)

70 mm Hub Dia. (dn)

40 mm (A)

021 Teeth

Steel 40 mm H8 bore , 12X3.3 keyway M10 screw hole over keyway and at 90°

0.72 kg