42 ID 18

Idler Sprocket (Metric)

(ISO 08B-1) 18 Teeth 16 mm bore

For (ISO 08B) 1/2x5/16 Roller Chain

78.5 mm (de) Outside Diameter

73.14 mm (dp) Pitch Diameter

18.3 mm (H) Total Width

7 mm (B1) Tooth Width

16 mm (D1) Bore

40 mm (F) Bearing Diameter

12 mm (J) Bearing Face Width

0.22 kg