Page 25 of Roller Chain Sprockets by Ringball Corporation (RBL)

stock sprockets 1 pitch no 80 single type b no of teeth 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 d min max 1 1 1 1-5/16 1 1-1/2 1 1-5/8 1 1-7/8 1 2 1 2-1/4 1 2-1/2 1 2-3/4 1 2-3/4 1 2-3/4 1 2-3/4 1 2-3/4 1 2-3/4 1 2-3/4 1 2-3/4 1 2-3/4 1 2-3/4 1-1/4 3-1/4 1-1/4 3-1/4 1-1/4 3-1/4 1-3/16 3-1/4 1-3/16 3-1/4 1-3/16 3-1/4 1-3/16 3-1/4 1-3/16 3-1/4 1-3/16 3-1/4 1-3/16 3-1/4 1-3/16 3-1/4 type b type b part no h80b8 h80b9 h80b10 h80b11 h80b12 h80b13 h80b14 h80b15 h80b16 h80b17 h80b18 h80b19 h80b20 h80b21 h80b22 h80b23 h80b24 h80b25 h80b26 h80b27 h80b28 h80b29 h80b30 h80b31 h80b32 h80b33 h80b34 h80b35 h80b36 od 3.010 3.350 3.680 4.010 4.330 4.660 4.980 5.300 5.630 5.950 6.270 6.590 6.910 7.240 7.560 7.880 8.200 8.520 8.840 9.160 9.480 9.800 10.110 10.430 10.750 11.070 11.390 11.710 12.030 pd 2.613 2.924 3.236 3.550 3.864 4.179 4.494 4.810 5.126 5.442 5.759 6.076 6.392 6.710 7.027 7.344 7.661 7.979 8.296 8.614 8.931 9.249 9.567 9.884 10.202 10.520 10.838 11.156 11.471 hd 1-15/16 2-1/4 2-9/16 2-13/16 3-1/8 3 3-1/4 3-13/16 4 4 4-1/4 4-1/4 4-1/4 4-1/4 4-1/4 4-1/4 4-1/4 4-1/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 l 1-5/8 1-5/8 1-5/8 1-5/8 1-5/8 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 2 2 2 2 2 2 2 2 2 2 2 app wt lbs 1.4 1.6 2.2 3.2 3.4 3.5 4.1 5.3 5.9 6.6 7.3 7.8 8.4 9.4 10.0 10.7 11.3 11.9 14.3 15.4 16.0 17.1 17.4 18.7 19.5 19.6 21.3 22.1 23.1 no of teeth 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 65 part no h80b37 h80b38 h80b39 h80b40 h80b41 h80b42 h80b43 h80b44 h80b45 h80b46 h80b47 h80b48 h80b49 h80b50 h80b51 h80b52 h80b53 h80b54 h80b55 h80b56 h80b57 h80b58 h80b59 h80b60 h80b65 od 12.350 12.670 12.990 13.310 13.630 13.940 14.260 14.580 14.900 15.220 15.540 15.860 16.180 16.500 16.810 17.130 17.450 17.770 18.090 18.410 18.730 19.040 19.360 19.680 21.270 pd 11.792 12.110 12.428 12.746 13.064 13.382 13.700 14.018 14.336 14.654 14.972 15.290 15.608 15.926 16.244 16.562 16.880 17.198 17.516 17.835 18.153 18.471 18.789 19.107 20.698 d min 1-3/16 1-3/16 1-3/16 1-3/16 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 max 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 hd 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 4-3/4 5-1/4 5-1/4 5-1/4 5-1/4 5-1/4 5-1/4 5-1/4 5-1/4 l 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 app wt lbs 23.8 24.7 25.6 26.7 27.8 28.7 29.4 29.9 31.4 33.1 34.0 35.5 35.8 37.3 38.6 39.4 41.3 44.7 45.6 47.5 48.5 50.5 52.1 54.5 61.8 h denotes hardened teeth also available in unhardened teeth maximum bores shown accommodate standard keyway with setscrew positioned over keyway hub has recessed groove allowing for chain clearance gd are as follows 8 teeth 1.437in 11 teeth 2.381in 9 teeth 1.756in 12 teeth 2.695in 10 teeth 2.067in 25

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