42B20.25

799418 SKU No.

25 mm Bore

42B20 ISO 08B-1 Sprocket 20 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)

86.5 mm OD (Approx) (de)

64 mm Hub Dia. (dn)

28 mm (A)

020 Teeth

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

0.76 kg