Page 13 of Roller Chain Sprockets by Ringball Corporation (RBL)

stock sprockets 1/2 pitch no 40 type b type b 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 37 part no h40b8 h40b9 h40b10 h40b11 h40b12 h40b13 h40b14 h40b15 h40b16 h40b17 h40b18 h40b19 h40b20 h40b21 h40b22 h40b23 h40b24 h40b25 h40b26 h40b27 h40b28 h40b29 h40b30 h40b31 h40b32 h40b33 h40b34 h40b35 h40b36 h40b37 od 1.500 1.670 1.840 2.000 2.170 2.330 2.490 2.650 2.810 2.980 3.140 3.300 3.460 3.620 3.780 3.940 4.100 4.260 4.420 4.580 4.740 4.900 5.060 5.220 5.380 5.540 5.700 5.860 6.020 6.180 pd 1.307 1.462 1.618 1.775 1.932 2.089 2.247 2.405 2.563 2.721 2.879 3.038 3.196 3.355 3.513 3.672 3.831 3.989 4.148 4.307 4.466 4.624 4.783 4.942 5.101 5.260 5.419 5.578 5.737 5.896 d min 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 5/8 max 1/2 9/16 3/4 7/8 1 1-1/16 1-1/8 1-1/4 1-3/8 1-7/16 1-1/2 1-3/4 1-7/8 1-7/8 1-7/8 2 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 2-1/4 hd 31/32 1-1/16 1-1/4 1-3/8 1-9/16 1-9/16 1-11/16 1-13/16 2 2-1/8 2-5/16 2-1/2 2-5/8 2-3/4 2-7/8 3 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 l 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 app wt no of lbs teeth 0.18 0.20 0.27 0.35 0.45 0.50 0.59 0.70 0.79 1.04 1.22 1.43 1.56 1.73 1.96 2.13 2.41 2.54 2.58 2.66 2.73 2.80 2.98 3.10 3.16 3.22 3.30 3.46 3.58 3.62 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 65 70 72 80 84 96 112 part no h40b38 h40b39 h40b40 h40b41 h40b42 h40b43 h40b44 h40b45 h40b46 h40b47 h40b48 h40b49 h40b50 h40b51 h40b52 h40b53 h40b54 h40b55 h40b56 h40b57 h40b58 h40b59 h40b60 h40b65 h40b70 h40b72 h40b80 h40b84 h40b96 h40b112 od 6.330 6.490 6.650 6.810 6.970 7.130 7.290 7.450 7.610 7.770 7.930 8.090 8.250 8.410 8.570 8.730 8.890 9.040 9.200 9.360 9.520 9.680 9.840 10.630 11.430 11.750 13.030 13.660 15.570 18.120 pd 6.054 6.214 6.373 6.532 6.691 6.850 7.009 7.168 7.327 7.486 7.645 7.804 7.963 8.122 8.281 8.440 8.599 8.758 8.917 9.076 9.236 9.395 9.554 10.349 11.145 11.463 12.736 13.372 15.281 17.828 d min 5/8 5/8 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 1 1 max 2-1/4 2-1/4 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 2-3/4 2-3/4 2-3/4 2-3/4 2-3/4 2-3/4 2-3/4 hd 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 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 4 4 4 4 4 4 4 l 1 1 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 1-1/4 app wt lbs 3.70 3.76 4.69 4.76 4.82 5.12 5.15 5.30 5.44 5.59 5.74 5.90 5.96 6.08 6.28 6.33 6.42 6.56 6.89 7.02 7.36 7.45 7.86 9.40 11.00 11.50 13.40 14.04 17.56 22.56 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 0.683in 9 teeth 0.850in 10 teeth 1.015in 11 teeth 1.179in 12 teeth 1.342in 13

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