Page 32 of Roller Chain Sprockets by Ringball Corporation (RBL)

no 120 stock sprockets 1-1/2 pitch type b type c double type b c no of teeth 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 30 35 45 60 part no hd120b11 hd120b12 hd120b13 hd120b14 hd120b15 hd120b16 hd120b17 hd120b18 hd120b19 hd120b20 hd120b21 hd120b22 hd120b23 hd120b24 hd120b25 hd120b26 hd120b30 hd120c35 hd120c45 hd120c60 od 6.010 6.500 6.990 7.470 7.960 8.440 8.920 9.410 9.890 10.370 10.850 11.330 11.810 12.290 12.770 13.250 15.170 17.570 22.350 29.520 pd 5.325 5.796 6.269 6.741 7.215 7.689 8.163 8.639 9.114 9.588 10.065 10.541 11.016 11.492 11.969 12.444 14.351 16.734 21.504 28.661 type bbbbbbbbbbbbbbbbbcccd min 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 max 2-3/8 2-3/4 3 3-5/16 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-13/16 4-1/2 4-1/2 4-1/2 4-1/2 4-1/2 5-3/8 5-3/8 6-3/8 hd 3-9/16 4-1/16 4-1/2 5 5-1/4 5-1/4 5-1/4 5-1/4 5-1/4 5-1/2 5-1/2 5-3/4 6-1/2 6-1/2 6-1/2 6-1/2 6-1/2 7-1/2 7-1/2 9-1/2 l 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 3-3/4 4 4 4 4 4 4 6 6 6-1/4 app wt lbs 13.6 17.3 21.1 25.6 29.9 33.8 36.9 41.9 46.5 50.2 55.6 64.0 75.0 79.0 84.0 90.0 119.0 148.0 188.0 307.0 h denotes hardened teeth also available in unhardened teeth maximum bores shown accommodate standard keyway with setscrew positioned over keyway 32

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