美国链轮标准

58 Sprockets - ChainSprockets - Chain CHSSB- Customers' Trusted TrademarkCHSSB- Customers' Trusted Trademark NSPT - Sprockets NSPT - Sprockets Symbol of High Quality Products Symbol of High Quality Products CHSSB- Customers' Trusted Trademark NSPT - Sprockets Symbol of High Quality Products New Standard Power Transmission 9 S25B09 0.837 1/4 1/4 7/16 1/2 0.03 10 S25B10 0.919 1/4 1/4 1/2 1/2 0.03 11 S25B11 1.002 1/4 5/16 9/16 1/2 0.04 12 S25B12 1.083 1/4 3/8 5/8 1/2 0.06 13 S25B13 1.167 1/4 7/16 23/32 1/2 0.07 14 S25B14 1.246 1/4 9/16 13/16 1/2 0.08 15 S25B15 1.326 1/4 9/16 57/64 1/2 0.10 16 S25B16 1.407 1/4 9/16 31/32 1/2 0.12 17 S25B17 1.487 1/4 5/8 11/32 1/2 0.14 18 S25B18 1.568 1/4 3/4 11/8 1/2 0.16 25A18 1/4 0.04 19 S25B19 1.648 1/4 13/16 17/32 1/2 0.19 25A19 1/4 0.04 20 S25B20 1.729 1/4 7/8 19/32 5/8 0.25 25A20 1/4 0.04 21 S25B21 1.809 1/4 7/8 13/8 5/8 0.28 25A21 3/8 0.04 22 S25B22 1.889 1/4 15/16 17/16 5/8 0.31 25A22 3/8 0.06 23 S25B23 1.969 1/4 1 11/2 5/8 0.32 25A23 3/8 0.06 24 S25B24 2.049 3/8 1 11/2 5/8 0.33 25A24 3/8 0.08 25 S25B25 2.129 3/8 1 11/2 5/8 0.34 25A25 3/8 0.08 26 S25B26 2.209 3/8 1 11/2 5/8 0.35 25A26 3/8 0.09 28 S25B28 2.369 3/8 1 11/2 5/8 0.36 25A28 3/8 0.10 30 S25B30 2.529 3/8 1 11/2 5/8 0.38 25A30 3/8 0.12 32 S25B32 2.688 3/8 1 11/2 5/8 0.40 25A32 3/8 0.14 35 S25B35 2.928 3/8 1 11/2 3/4 0.48 25A35 3/8 0.16 36 S25B36 3.008 3/8 1 11/2 3/4 0.50 25A36 3/8 0.18 40 S25B40 3.327 1/2 13/8 2 3/4 0.53 25A40 1/2 0.20 42 S25B42 3.487 1/2 13/8 2 3/4 0.54 25A42 1/2 0.24 45 S25B45 3.725 1/2 13/8 2 3/4 0.56 25A45 1/2 0.25 48 S25B48 3.964 1/2 13/8 2 3/4 0.56 25A48 1/2 0.32 54 S25B54 4.442 1/2 13/8 2 3/4 1.00 25A54 1/2 0.38 60 S25B60 4.920 1/2 13/8 2 3/4 1.10 25A60 1/2 0.54 70 S25B70 5.717 1/2 13/8 2 3/4 1.25 25A70 1/2 0.71 72 S25B72 5.876 1/2 13/8 2 3/4 1.30 25A72 1/2 0.74 SINGLE-TYPE B SINGLE-TYPE A TEETH CATALOG OD BORE dm1 A1 WT CATALOG STOCK WT. NO. NO. STOCK MAX LBS NO. BORE LBS 25 FOR 1/4" PITCH ANSI CHAIN B tandard ore SprocketsSprocketsS 59 Pinions Inches Tooth R adius r3 0.268 Radius Width C 0.032 Tooth Width B1 0.110 1/4"X1/8" ROLLER- 0.130" 25-125-1 c r3 New Standard Power Transmission 8 S35B8 1.130 3/8 3/8 3/4* 3/4 0.07 9 S35B9 1.260 3/8 3/8 27/32* 3/4 0.09 10 S35B10 1.380 3/8 9/16 31/32* 3/4 0.14 11 S35B11 1.500 3/8 9/16 11/16* 3/4 0.17 12 S35B12 1.630 1/2 9/16 17/32* 3/4 0.20 13 S35B13 1.750 1/2 11/16 11/4* 3/4 0.23 14 S35B14 1.870 1/2 7/8 11/4 3/4 0.25 15 S35B15 1.990 1/2 7/8 111/32 3/4 0.29 35A15 1/2 0.10 16 S35B16 2.110 1/2 15/16 115/32 3/4 0.35 35A16 1/2 0.12 17 S35B17 2.230 1/2 11/16 119/32 3/4 0.42 35A17 1/2 0.12 18 S35B18 2.350 1/2 13/16 123/32 3/4 0.48 35A18 1/2 0.14 19 S35B19 2.470 1/2 11/4 127/32 3/4 0.54 35A19 1/2 0.16 20 S35B20 2.590 1/2 15/16 115/16 3/4 0.59 35A20 1/2 0.20 21 S35B21 2.710 1/2 13/8 2 7/8 0.80 35A21 1/2 0.20 22 S35B22 2.830 1/2 13/8 2 7/8 0.80 35A22 1/2 0.22 23 S35B23 2.950 1/2 13/8 2 7/8 0.82 35A23 1/2 0.24 24 S35B24 3.070 1/2 13/8 2 7/8 0.88 35A24 1/2 0.26 25 S35B25 3.190 1/2 13/8 2 7/8 0.88 35A25 1/2 0.28 26 S35B26 3.310 1/2 13/8 2 7/8 0.90 35A26 1/2 0.28 27 S35B27 3.430 1/2 13/8 2 7/8 0.94 35A27 1/2 0.34 28 S35B28 3.550 1/2 13/8 2 7/8 0.94 35A28 1/2 0.34 30 S35B30 3.790 1/2 13/8 2 7/8 1.02 35A30 1/2 0.46 32 S35B32 4.030 1/2 13/8 2 7/8 1.24 35A32 5/8 0.46 35 S35B35 4.390 5/8 11/2 21/4 7/8 1.50 35A35 5/8 0.60 36 S35B36 4.510 5/8 11/2 21/4 7/8 1.56 35A36 5/8 0.62 40 S35B40 4.990 5/8 11/2 21/4 1 1.62 35A40 19/32 0.70 42 S35B42 5.230 5/8 11/2 21/4 1 1.68 35A42 19/32 0.78 45 S35B45 5.590 5/8 11/2 21/4 1 1.78 35A45 19/32 0.88 48 S35B48 5.950 5/8 11/2 21/4 1 1.88 35A48 19/32 1.21 54 S35B54 6.660 5/8 11/2 21/4 1 2.20 35A54 19/32 1.32 60 S35B60 7.380 3/4 11/2 21/4 1 2.48 35A60 23/32 1.66 70 S35B70 8.580 3/4 11/2 21/4 1 3.12 35A70 23/32 2.30 72 S35B72 8.810 3/4 11/2 21/4 1 3.42 35A72 23/32 2.56 80 S35B80 9.770 3/4 11/2 21/4 1 3.82 35A80 23/32 3.16 84 S35B84 10.250 3/4 11/2 21/4 1 4.24 35A84 23/32 3.26 96 S35B96 11.680 3/4 11/2 21/4 1 5.16 35A96 23/32 4.64 112 S35B112 13.590 3/4 11/2 21/4 1 6.70 35A112 23/32 5.05 35-1 FOR 3/8" PITCH ANSI CHAIN B tandard ore SprocketsSprocketsS 60 Pinions Inches Tooth Radius r3 0.398 Radius Width C 0.047 Tooth Width B1 0.168 3/8"X3/16" ROLLER- 0.200" 35-135-1 c r3 SINGLE-TYPE B SINGLE-TYPE A TEETH CATALOG OD BORE dm1 A1 WT CATALOG STOCK WT. NO. NO. STOCK MAX LBS NO. BORE B * New Standard Power Transmission 12 D35B12 1.630 B2 1/2 9/16 63/64 11/4 0.32 13 D35B13 1.750 B2 1/2 11/16 17/64 11/4 0.36 14 D35B14 1.870 B2 1/2 7/8 11/4 11/4 0.44 15 D35B15 1.990 B2 1/2 15/16 113/32 11/4 0.56 16 D35B16 2.110 B2 1/2 15/16 115/32 11/4 0.64 17 D35B17 2.230 B2 1/2 11/16 119/32 11/4 0.74 18 D35B18 2.350 B2 1/2 13/16 123/32 11/4 0.84 19 D35B19 2.470 B2 1/2 15/16 17/8 11/4 0.96 20 D35B20 2.590 B2 3/4 15/16 115/16 13/8 1.08 21 D35B21 2.710 B2 3/4 13/8 21/16 13/8 1.24 22 D35B22 2.830 B2 3/4 17/16 23/16 13/8 1.42 23 D35B23 2.950 B2 3/4 11/2 21/4 13/8 1.54 24 D35B24 3.070 B2 3/4 11/2 21/4 13/8 1.62 25 D35B25 3.190 B2 3/4 11/2 21/4 13/8 1.66 26 D35B26 3.310 B2 3/4 13/4 21/2 13/8 1.98 30 D35B30 3.790 B2 3/4 13/4 21/2 13/8 2.34 36 D35B36 4.510 B2 3/4 13/4 21/2 13/8 3.00 42 D35B42 5.230 B2 3/4 13/4 21/2 13/8 3.80 48 D35B48 5.950 B2 3/4 13/4 21/2 13/8 4.66 52 D35B52 6.430 B2 3/4 13/4 21/2 13/8 5.40 60 D35B60 7.380 B2 3/4 13/4 21/2 13/8 6.84 68 D35B68 8.340 B2 3/4 23/8 31/2 11/2 10.01 72 D35B72 8.810 B2 3/4 23/8 31/2 11/2 11.04 76 D35B76 9.290 B2 3/4 23/8 31/2 11/2 11.94 84 D35B84 10.250 B2 3/4 23/8 31/2 11/2 14.98 95 D35B95 11.560 B2 1 23/8 31/2 11/2 17.42 96 D35B96 11.680 B2 1 23/8 31/2 11/2 18.14 102 D35B102 12.400 B2 1 23/8 31/2 11/2 19.92 TEETH CATALOG OD TYPE BORE HUB WT NO. NO. STOCK MAX dm2 A2 LBS. 35-2 FOR 3/8" PITCH ANSI CHAIN B tandard ore SprocketsSprocketsS 61 Pinions Inches Tooth Radius r3 0.398 Radius Width C 0.047 Tooth Width b1 0.162 Tooth Width B2 0.561 3/8"X3/16 ROLLER- 0.200" 35-235-2 c r3 B2 New Standard Power Transmission 13 T35B13 1.750 B3 1/2 11/16 17/64 13/4 0.50 14 T35B14 1.870 B3 1/2 7/8 11/4 13/4 0.62 15 T35B15 1.990 B3 1/2 15/16 113/32 13/4 0.78 16 T35B16 2.110 B3 1/2 15/16 115/32 13/4 0.82 17 T35B17 2.230 B3 1/2 11/16 119/32 13/4 1.04 18 T35B18 2.350 B3 1/2 13/16 123/32 13/4 1.22 19 T35B19 2.470 B3 1/2 15/16 17/8 13/4 1.40 20 T35B20 2.590 B3 3/4 15/16 115/16 17/8 1.50 21 T35B21 2.710 B3 3/4 13/8 21/16 17/8 1.72 22 T35B22 2.830 B3 3/4 17/16 23/16 17/8 1.96 23 T35B23 2.950 B3 3/4 11/2 21/4 17/8 2.12 24 T35B24 3.070 B3 3/4 11/2 21/4 17/8 2.26 25 T35B25 3.190 B3 3/4 11/2 21/4 17/8 2.42 26 T35B26 3.310 B3 3/4 11/2 21/2 17/8 2.78 30 T35B30 3.790 B3 3/4 13/4 21/2 17/8 3.42 36 T35B36 4.510 B3 3/4 13/4 21/2 17/8 4.52 42 T35B42 5.230 B3 3/4 13/4 21/2 17/8 5.88 48 T35B48 5.950 B3 3/4 13/4 21/2 17/8 7.42 52 T35B52 6.430 B3 3/4 13/4 21/2 17/8 8.52 60 T35B60 7.380 B3 3/4 13/4 21/2 17/8 11.22 68 T35B68 8.340 B3 3/4 23/8 31/2 17/8 15.38 72 T35B72 8.810 B3 3/4 23/8 31/2 17/8 17.34 76 T35B76 9.290 B3 3/4 23/8 31/2 17/8 18.90 84 T35B84 10.250 B3 3/4 23/8 31/2 17/8 22.82 95 T35B95 11.560 B3 1 21/2 33/4 21/8 29.32 96 T35B96 11.680 B3 1 21/2 33/4 21/8 30.06 102 T35B102 12.400 B3 1 21/2 33/4 21/8 33.36 35-3 FOR 3/8" PITCH ANSI CHAIN B tandard ore SprocketsSprocketsS 62 Pinions Inches Tooth Radius r3 0.398 Radius Width C 0.047 Tooth Width b1 0.162 Tooth Width B3 0.960 3/8"X3/16" ROLLER- 0.200" 35-335-3 c r3 TEETH CATALOG OD TYPE BORE HUB WT NO. NO. STOCK MAX dm3 A3 LBS. B2 New Standard Power Transmission SINGLE-TYPE B SINGLE-TYPE A NO. CATALOG O.D BORE dm1 A1 WT CATALOG STOCK WT. TEETH NO. STOCK MAX LBS NO. BORE LES 6 S41B6 1.170 3/8 3/8 21/32* 7/8 0.07 7 S41B7 1.340 3/8 3/8 3/4* 7/8 0.10 8 S41B8 1.510 1/2 1/2 63/64* 7/8 0.19 9 S41B9 1.670 1/2 5/8 11/8* 7/8 0.20 10 S41B10 1.840 1/2 3/4 11/4* 7/8 0.27 11 S41B11 2.000 1/2 7/8 17/16* 7/8 0.35 12 S41B12 2.170 1/2 15/16 19/16* 7/8 0.44 13 S41B13 2.330 1/2 1 19/16 7/8 0.50 14 S41B14 2.490 1/2 11/4 13/4 7/8 0.57 15 S41B15 2.650 1/2 15/16 129/32 7/8 0.72 41A15 5/8 0.28 16 S41B16 2.810 5/8 13/8 21/16 7/8 0.91 41A16 5/8 0.34 17 S41B17 2.980 5/8 11/2 215/64 1 1.09 41A17 5/8 0.36 18 S41B18 3.140 5/8 15/8 23/8 1 1.25 41A18 5/8 0.44 19 S41B19 3.300 5/8 13/4 215/32 1 1.49 41A19 5/8 0.46 20 S41B20 3.460 5/8 17/8 23/4 1 1.64 41A20 5/8 0.52 21 S41B21 3.620 5/8 17/8 27/8 1 1.81 41A21 5/8 0.60 22 S41B22 3.780 5/8 2 3 1 1.93 41A22 5/8 0.66 23 S41B23 3.940 5/8 21/4 33/16 1 2.25 41A23 5/8 0.72 24 S41B24 4.100 5/8 21/4 31/4 1 2.33 41A24 5/8 0.82 25 S41B25 4.260 5/8 21/4 31/4 1 2.46 41A25 5/8 0.88 26 S41B26 4.420 5/8 21/4 31/4 1 2.50 41A26 5/8 0.94 27 S41B27 4.580 5/8 21/4 31/4 1 2.56 41A27 5/8 1.00 28 S41B28 4.740 5/8 21/4 31/4 1 2.64 41A28 5/8 1.08 30 S41B30 5.060 5/8 21/4 31/4 1 2.80 41A30 5/8 1.20 32 S41B32 5.380 5/8 21/4 31/4 1 2.96 41A32 19/32 1.44 35 S41B35 5.860 5/8 23/8 31/4 1 3.12 41A35 19/32 1.70 36 S41B36 6.020 5/8 23/8 31/4 1 3.32 41A36 19/32 1.84 40 S41B40 6.650 3/4 23/8 31/4 11/16 4.06 41A40 23/32 2.22 42 S41B42 6.970 3/4 23/8 31/2 11/16 4.10 41A42 23/32 2.50 45 S41B45 7.450 3/4 23/8 31/2 11/16 4.18 41A45 23/32 2.52 48 S41B48 7.930 3/4 23/8 31/2 11/16 4.92 41A48 23/32 2.92 54 S41B54 8.890 3/4 23/8 31/2 11/16 5.68 41A54 23/32 3.54 60 S41B60 9.840 3/4 23/8 31/2 11/16 6.78 41A60 23/32 4.60 70 S41B70 11.430 3/4 23/4 4 13/16 9.54 41A70 23/32 6.22 72 S41B72 11.750 3/4 23/4 4 13/16 9.64 41A72 23/32 6.32 80 S41B80 13.030 3/4 23/4 4 13/16 11.54 41A80 23/32 8.46 84 S41B84 13.660 3/4 23/4 4 13/16 12.20 41A84 23/32 9.12 96 S41B96 15.570 1 23/4 4 13/16 14.86 41A96 15/16 11.84 112 S41B112 18.120 1 23/4 4 13/16 19.16 41A112 15/16 15.84 41 FOR 1/2" PITCH ANSI CHAIN B tandard ore SprocketsSprocketsS 63 Pinions Inches Tooth Radius r3 0.53 Radius Width C 0.063 Tooth Width B1 0.227 1/2"X1/4" ROLLER- 0.306" 41-141-1 c r3 * New Standard Power Transmission SINGLE-TYPE B SINGLE-TYPE A TEETH CATALOG OD BORE dm1 A1 WT CATALOG STOCK WT. NO. NO. STOCK MAX LBS NO. BORE LBS 8 S40B8 1.500 1/2 1/2 31/32* 7/8 0.18 9 S40B9 1.670 1/2 9/16 11/16* 7/8 0.20 10 S40B10 1.840 1/2 3/4 11/4* 7/8 0.27 11 S40B11 2.000 1/2 7/8 13/8* 7/8 0.35 12 S40B12 2.170 1/2 1 19/16* 7/8 0.45 40A12 1/2 0.18 13 S40B13 2.330 1/2 11/16 19/16 7/8 0.50 40A13 1/2 0.22 14 S40B14 2.490 1/2 11/8 111/16 7/8 0.59 40A14 1/2 0.26 15 S40B15 2.650 1/2 11/4 113/16 7/8 0.70 40A15 5/8 0.30 16 S40B16 2.810 5/8 13/8 2 7/8 0.79 40A16 5/8 0.34 17 S40B17 2.980 5/8 17/16 21/8 1 1.04 40A17 5/8 0.36 18 S40B18 3.140 5/8 11/2 25/16 1 1.22 40A18 5/8 0.44 19 S40B19 3.300 5/8 13/4 21/2 1 1.43 40A19 5/8 0.46 20 S40B20 3.460 5/8 17/8 25/8 1 1.56 40A20 5/8 0.56 21 S40B21 3.620 5/8 17/8 23/4 1 1.73 40A21 5/8 0.58 22 S40B22 3.780 5/8 17/8 27/8 1 1.96 40A22 5/8 0.66 23 S40B23 3.940 5/8 2 3 1 2.13 40A23 5/8 0.72 24 S40B24 4.100 5/8 21/4 31/4 1 2.41 40A24 5/8 0.82 25 S40B25 4.260 5/8 21/4 31/4 1 2.54 40A25 5/8 0.88 26 S40B26 4.420 5/8 21/4 31/4 1 2.58 40A26 5/8 0.94 27 S40B27 4.580 5/8 21/4 31/4 1 2.66 40A27 5/8 0.98 28 S40B28 4.740 5/8 21/4 31/4 1 2.73 40A28 5/8 1.10 29 4.900 40A29 19/32 1.22 30 S40B30 5.060 5/8 21/4 31/4 1 2.98 40A30 19/32 1.26 31 5.220 40A31 19/32 1.40 32 S40B32 5.380 5/8 21/4 31/4 1 3.16 40A32 19/32 1.48 33 S40B33 5.540 5/8 21/4 31/4 1 3.22 40A33 19/32 1.56 34 S40B34 5.700 5/8 21/4 31/4 1 3.30 40A34 19/32 1.64 35 S40B35 5.860 5/8 21/4 31/4 1 3.46 40A35 19/32 1.70 36 S40B36 6.020 5/8 21/4 31/4 1 3.58 40A36 19/32 1.84 37 6.180 40A37 19/32 1.92 38 S40B38 6.330 5/8 21/4 31/4 1 3.70 40A38 19/32 2.00 39 6.490 40A39 19/32 2.02 40 S40B40 6.650 3/4 23/8 31/2 11/8 4.69 40A40 23/32 2.22 41 S40B41 6.810 3/4 23/8 31/2 11/8 4.76 40A41 23/32 2.42 42 S40B42 6.970 3/4 23/8 31/2 11/8 4.82 40A42 23/32 2.50 43 7.130 40A43 23/32 2.80 44 7.290 40A44 23/32 2.85 45 S40B45 7.450 3/4 23/8 31/2 11/8 5.30 40A45 23/32 3.15 46 7.610 40A46 23/32 3.26 47 S40B47 7.770 3/4 23/8 31/2 11/8 5.44 40A47 23/32 3.32 48 S40B48 7.930 3/4 23/8 31/2 11/8 5.84 40A48 23/32 3.42 49 8.090 40A49 23/32 3.44 50 S40B50 8.250 3/4 23/8 31/2 11/8 5.96 40A50 23/32 3.62 51 8.410 40A51 23/32 3.94 52 8.570 40A52 23/32 4.08 53 8.730 40A53 23/32 4.24 54 S40B54 8.890 3/4 23/8 31/2 11/8 6.42 40A54 23/32 4.44 55 9.040 40A55 23/32 4.54 56 9.200 40A56 23/32 4.84 57 9.360 40A57 23/32 5.00 58 9.520 40A58 23/32 5.12 59 9.680 40A59 23/32 5.30 60 S40B60 9.840 3/4 23/8 31/2 11/8 7.86 40S60 23/32 5.48 70 S40B70 11.430 3/4 23/4 4 11/4 11.00 40A70 23/32 7.24 72 S40B72 11.750 3/4 23/4 4 11/4 11.50 40A72 23/32 7.72 80 S40B80 13.030 3/4 23/4 4 11/4 13.40 40A80 23/32 10.20 84 S40B84 13.660 3/4 23/4 4 11/4 14.04 40A84 23/32 10.37 96 S40B96 15.570 1 23/4 4 11/4 17.56 40A96 15/16 12.15 112 S40B112 18.120 1 23/4 4 11/4 22.56 40A112 15/16 20.00 40-1 FOR 1/2" PITCH ANSI CHAIN B tandard ore SprocketsSprocketsS 64 1/2"X5/16 40-140-1 B B1=0.284" A * New Standard Power Transmission 11 D40B11 2.000 B2 1/2 3/4 17/16* 11/2 0.62 12 D40B12 2.170 B2 1/2 15/16 19/16* 11/2 0.76 13 D40B13 2.330 B2 1/2 1 11/2 11/2 0.86 14 D40B14 2.490 B2 1/2 11/8 111/16 11/2 1.08 15 D40B15 2.650 B2 1/2 11/4 113/16 11/2 1.24 16 D40B16 2.810 B2 5/8 13/8 2 11/2 1.42 17 D40B17 2.980 B2 5/8 17/16 21/8 11/2 1.64 18 D40B18 3.140 B2 5/8 11/2 25/16 11/2 1.92 19 D40B19 3.300 B2 5/8 13/4 21/2 11/2 2.22 20 D40B20 3.460 B2 5/8 17/8 25/8 15/8 2.64 21 D40B21 3.620 B2 5/8 17/8 23/4 15/8 2.94 22 D40B22 3.780 B2 5/8 17/8 27/8 15/8 3.18 23 D40B23 3.940 B2 5/8 2 3 15/8 3.52 24 D40B24 4.100 B2 5/8 21/4 31/4 15/8 4.04 25 D40B25 4.260 B2 5/8 21/4 31/4 15/8 4.26 26 D40B26 4.420 B2 5/8 21/4 31/4 15/8 4.48 30 D40B30 5.060 B2 7/8 21/4 31/4 15/8 5.34 35 D40B35 5.860 B2 7/8 21/4 31/4 15/8 6.80 36 D40B36 6.020 B2 15/16 21/2 33/4 15/8 7.20 40 D40B40 6.650 B2 15/16 21/2 33/4 13/4 9.40 42 D40B42 6.970 B2 15/16 21/2 33/4 13/4 10.20 45 D40B45 7.450 B2 15/16 21/2 33/4 13/4 11.36 48 D40B48 7.930 B2 15/16 21/2 33/4 13/4 12.66 52 D40B52 8.570 B2 15/16 21/2 33/4 13/4 14.46 54 D40B54 8.890 B2 15/16 21/2 33/4 13/4 15.48 60 D40B60 9.840 B2 15/16 21/2 33/4 13/4 18.60 68 D40B68 11.120 B2 13/16 23/4 41/4 21/8 24.96 72 D40B72 11.750 B2 13/16 23/4 41/4 21/8 27.88 76 D40B76 12.390 B2 13/16 23/4 41/4 21/8 30.18 84 D40B84 13.660 B2 13/16 23/4 41/4 21/8 36.24 95 D40B95 15.410 B2 13/16 23/4 41/4 21/8 38.84 96 D40B96 15.570 B2 13/16 23/4 41/4 21/8 39.50 102 D40B102 16.530 B2 13/16 23/4 41/4 21/8 42.72 112 D40B112 18.120 B2 13/16 23/4 41/4 21/8 55.54 TEETH CATALOG OD TYPE BORE HUB WT NO. NO. STOCK MAX dm2 A2 LBS. 40-2 FOR 1/2" PITCH ANSI CHAIN B tandard ore SprocketsSprocketsS 65 Pinions Inches Tooth Radius r3 0.530 Radius Width C 0.063 Tooth Width b1 0.275 Tooth Width B2 0.841 1/2"X5/16" ROLLER- 0.312" 40-240-2 c r3 B2 * New Standard Power Transmission TEETH CATALOG OD TYPE BORE HUB WT NO. NO. STOCK MAX dm3 A3 LBS. 11 T40B11 2.000 B3 1/2 3/4 17/16* 21/8 0.80 12 T40B12 2.170 B3 1/2 15/16 19/16* 21/8 1.10 13 T40B13 2.330 B3 1/2 1 11/2 21/8 1.24 14 T40B14 2.490 B3 1/2 11/8 111/16 21/8 1.50 15 T40B15 2.650 B3 1/2 11/4 113/16 21/8 1.76 16 T40B16 2.810 B3 5/8 13/8 2 21/8 2.04 17 T40B17 2.980 B3 5/8 17/16 21/8 21/8 2.34 18 T40B18 3.140 B3 5/8 11/2 25/16 21/8 2.72 19 T40B19 3.300 B3 5/8 13/4 21/2 21/8 3.10 20 T40B20 3.460 B3 5/8 17/8 25/8 21/4 3.72 21 T40B21 3.620 B3 5/8 17/8 23/4 21/4 4.06 22 T40B22 3.780 B3 5/8 17/8 27/8 21/4 4.52 23 T40B23 3.940 B3 5/8 2 3 21/4 4.96 24 T40B24 4.100 B3 5/8 21/4 31/4 21/4 5.64 25 T40B25 4.260 B3 5/8 21/4 31/4 21/4 6.02 26 T40B26 4.420 B3 5/8 21/4 31/4 21/4 6.36 30 T40B30 5.060 B3 7/8 21/4 31/4 21/4 7.84 35 T40B35 5.860 B3 7/8 21/4 31/4 21/4 10.30 36 T40B36 6.020 B3 15/16 21/2 33/4 23/8 11.72 42 T40B42 6.970 B3 15/16 21/2 33/4 23/8 15.36 48 T40B48 7.930 B3 15/16 21/2 33/4 23/8 19.36 52 T40B52 8.570 B3 15/16 21/2 33/4 23/8 22.44 60 T40B60 9.840 B3 15/16 21/2 33/4 23/8 30.02 68 T40B68 11.120 B3 13/16 23/4 4 25/8 38.44 72 T40B72 11.750 B3 13/16 23/4 4 25/8 42.46 76 T40B76 12.390 B3 13/16 23/4 4 25/8 46.90 84 T40B84 13.660 B3 13/16 23/4 41/4 23/4 57.30 95 T40B95 15.410 B3 13/16 23/4 41/4 23/4 62.18 102 T40B102 16.530 B3 13/16 23/4 41/4 23/4 68.40 40-3 FOR 1/2" PITCH ANSI CHAIN B tandard ore SprocketsSprocketsS 66 Pinions Inches Tooth Radius r3 0.530 Radius Width C 0.063 Tooth Width b1 0.275 Tooth Width B3 1.407 1/2"X5/16" ROLLER- 0.312" 40-340-3 c r3 B3 * New Standard Power Transmission 8 S50B8 1.880 5/8 5/8 11/8* 1 0.25 9 S50B9 2.090 5/8 3/4 13/8* 1 0.36 10 S50B10 2.300 5/8 7/8 19/16* 1 0.48 11 S50B11 2.500 5/8 1 13/4* 1 0.64 12 S50B12 2.710 5/8 11/4 163/64* 1 0.83 50A12 5/8 0.34 13 S50B13 2.910 5/8 15/16 17/8 1 0.88 50A13 5/8 0.42 14 S50B14 3.110 5/8 17/16 21/8 1 1.13 50A14 5/8 0.50 15 S50B15 3.320 5/8 11/2 23/8 1 1.34 50A15 5/8 0.54 16 S50B16 3.520 5/8 13/4 21/2 1 1.51 50A16 5/8 0.68 17 S50B17 3.720 5/8 17/8 211/16 1 1.74 50A17 5/8 0.76 18 S50B18 3.920 5/8 17/8 27/8 1 2.00 50A18 5/8 0.86 19 S50B19 4.120 5/8 2 3 1 2.22 50A19 5/8 0.94 20 S50B20 4.320 3/4 2 3 1 2.28 50A20 3/4 1.06 21 S50B21 4.520 3/4 2 3 1 2.40 50A21 3/4 1.12 22 S50B22 4.720 3/4 2 3 1 2.56 50A22 3/4 1.30 23 S50B23 4.920 3/4 2 3 1 2.66 50A23 3/4 1.44 24 S50B24 5.120 3/4 2 3 11/4 3.30 50A24 23/32 1.50 25 S50B25 5.320 3/4 2 3 11/4 3.40 50A25 23/32 1.62 26 S50B26 5.520 3/4 2 3 11/4 3.44 50A26 23/32 1.72 27 S50B27 5.720 3/4 2 3 11/4 3.74 50A27 23/32 1.96 28 S50B28 5.920 3/4 2 3 11/4 3.80 50A28 23/32 2.04 29 S50B29 6.120 3/4 2 3 11/4 4.06 50A29 23/32 2.36 30 S50B30 6.320 3/4 21/4 31/4 11/4 4.56 50A30 23/32 2.54 31 S50B31 6.520 3/4 21/4 31/4 11/4 4.74 50A31 23/32 2.80 32 S50B32 6.720 3/4 21/4 31/4 11/4 4.96 50A32 23/32 2.72 33 S50B33 6.920 3/4 21/4 31/4 11/4 5.20 50A33 23/32 3.14 34 S50B34 7.120 3/4 21/4 31/4 11/4 5.34 50A34 23/32 3.20 35 S50B35 7.320 3/4 21/4 31/4 11/4 5.44 50A35 23/32 3.34 36 S50B36 7.520 3/4 21/4 31/4 11/4 5.64 50A36 23/32 3.82 37 S50B37 7.720 3/4 21/4 31/4 11/4 5.90 50A37 23/32 3.98 38 S50B38 7.920 3/4 21/4 31/4 11/4 6.08 50A38 23/32 4.14 39 S50B39 8.120 3/4 21/4 31/4 11/4 6.30 50A39 23/32 4.42 40 S50B40 8.320 3/4 21/4 31/4 11/4 6.50 50A40 23/32 4.46 41 8.520 50A41 23/32 4.86 42 S50B42 8.720 3/4 21/4 31/4 11/4 6.96 50A42 23/32 4.98 43 8.910 50A43 23/32 5.24 44 S50B44 9.110 3/4 21/4 31/4 11/4 7.58 50A44 23/32 5.42 45 S50B45 9.310 3/4 21/2 33/4 11/4 8.58 50A45 23/32 5.92 46 9.510 50A46 15/16 6.42 47 9.710 50A47 15/16 6.50 48 S50B48 9.910 1 21/2 33/4 11/4 9.28 50A48 15/16 6.58 49 10.110 50A49 15/16 7.06 50 S50B50 10.310 1 21/2 33/4 11/4 9.88 50A50 15/16 7.10 51 50A51 15/16 7.32 52 S50B52 10.710 1 21/2 33/4 11/4 10.24 50A52 15/16 7.98 53 10.910 50A53 15/16 8.08 54 S50B54 11.110 1 21/2 33/4 11/4 11.00 50A54 15/16 8.30 55 11.310 50A55 15/16 8.56 56 11.500 50A56 15/16 8.90 57 S50B57 11.700 1 21/2 33/4 11/4 12.00 50A57 15/16 9.38 58 11.900 50A58 15/16 10.30 59 12.100 50A59 15/16 10.50 60 S50B60 12.300 1 21/2 33/4 11/4 13.00 50A60 15/16 10.80 70 S50B70 14.290 1 21/2 33/4 13/4 18.16 50A70 15/16 14.00 72 S50B72 14.690 1 21/2 33/4 13/4 19.48 50A72 15/16 15.24 76 S50B76 15.486 1 21/2 33/4 13/4 21.00 50A76 15/16 20.08