c28 166-193 sprockets 21/8/07 08:13 page 166 chain sprockets ... stainless steel 303 s21/304s31 en58 4mm pitch other numbers of teeth available s Øa ... both sides 20° x pcd Øa up to 15 teeth Øa undercut Ø 16 teeth and over Øa o/ ... d 9.7mm approx pcd bore Ø h8 roller Ø 2.50 ... chain no 1141 hpc part no sua 4 Øboss Ød ... pitch 4mm sprockets chains stainless 2.5 4 10 Ød mm 14.71 16.02 17 ... .32 18.62 19.92 21.21 22.50 23.79 25.08 26.37 27.65 28. ... 94 31.50 34.06 36.62 40.45 44.29 46.84 48. ... 12 50.67 53.22 55.77 58.32 63.42 65.98 78.72 104.20 2.5 4 part number s4-10 s4 ... s4-21 s4-23 s4-25 s4-27 s4-30 s4-33 s4-35 s4-36 s4-38 s4-40 s4-42 s4-44 s4-48 s4- ... 50 s4-60 s4-80 teeth 10 11 12 13 14 15 16 17 18 19 20 21 23 ... 25 27 30 33 35 36 38 40 42 44 48 50 60 80 pcd mm 12.94 ...
c28 166-193 sprockets 21/8/07 08:21 page 167 materials std ... mild steel en202 other numbers of teeth available chain sprockets 4mm pitch asf ... both sides 20° x pcd Øa sf Øa up to 15 teeth Øa undercut Ø 16 teeth and over Øa o/ ... d 9.7mm approx pcd chamfer both sides 20° x pcd ... 6 19 5 20 39 10 40 59 15 60 99 20 100 200 25 discounts bore Ø h8 ... sprockets chains steel 2.5 4 10 pcd mm 12.94 14.20 15.45 ... 16.55 17.97 19.23 20.50 21.76 23.03 24.29 25.57 26. ... 83 29.37 31.91 34.45 38.26 42.08 44.62 45.89 48.43 50. ... 98 53.52 56.07 61.12 63.66 76.39 101.86 Ød ... mm 14.71 16.02 17.32 18.62 19.92 21.21 22.50 23.79 25.08 26.37 27.65 28. ... 94 31.50 34.06 36.62 40.45 44.29 46.84 48. ...