MARTIN SPROCKET Simplex Stock Bore B Type Metric Roller Chain Sprockets, 20B-1 Chain Number
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| Style | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Material | Pitch | Chain Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 20B8 | 82.967 mm | 8 | 48 mm | 48.006 mm | 25 mm to 34 mm | Steel | 31.75 mm | #20B-1 | €154.54 | |
| B | 20B9 | 92.831 mm | 9 | 48 mm | 57.988 mm | 25 mm to 41 mm | Steel | 31.75 mm | #20B-1 | €209.04 | |
| C | 20B10 | 102.745 mm | 10 | 48 mm | 68.986 mm | 25 mm to 48 mm | Steel | 31.75 mm | #20B-1 | €229.55 | |
| D | 20B11 | 112.696 mm | 11 | 48 mm | 78.994 mm | 25 mm to 55 mm | Steel | 31.75 mm | #20B-1 | €266.53 | |
| E | 20B12 | 122.673 mm | 12 | 48 mm | 89.992 mm | 25 mm to 63 mm | Steel | 31.75 mm | #20B-1 | €287.92 | |
| F | 20B13 | 132.67 mm | 13 | 41 mm | 98.044 mm | 25 mm to 69 mm | Steel | 31.75 mm | #20B-1 | €309.77 | |
| G | 20B14 | 142.683 mm | 14 | 41 mm | 105.994 mm | 25 mm to 75 mm | Steel | 31.75 mm | #20B-1 | €333.86 | |
| H | 20B15 | 152.709 mm | 15 | 44 mm | 113.894 mm | 25 mm to 80 mm | Steel | 31.75 mm | #20B-1 | €375.08 | |
| I | 20B16 | 162.745 mm | 16 | 44 mm | 113.894 mm | 25 mm to 80 mm | Steel | 31.75 mm | #20B-1 | €416.32 | |
| J | 20B18 | 182.841 mm | 18 | 44 mm | 114.3 mm | 32 mm to 80 mm | Steel | 31.75 mm | #20B-1 | €408.60 | |
| K | 20B19 | 192.898 mm | 19 | 51.003 mm | 113.995 mm | 32 mm | Steel | 31.75 mm | #20B-1 | €426.35 | |
| L | 20B20 | 202.96 mm | 20 | 51 mm | 113.995 mm | 32 mm to 80 mm | Steel | 31.75 mm | #20B-1 | €451.65 | |
| M | 20B21 | 213.027 mm | 21 | 51.003 mm | 113.995 mm | 32 mm | Steel | 31.75 mm | #20B-1 | €463.43 | |
| N | 20B22 | 223.097 mm | 22 | 51 mm | 113.995 mm | 32 mm to 80 mm | Steel | 31.75 mm | #20B-1 | €488.16 | |
| O | 20B23 | 233.17 mm | 23 | 51 mm | 113.995 mm | 32 mm to 80 mm | Steel | 31.75 mm | #20B-1 | €503.61 | |
| P | 20B25 | 253.325 mm | 25 | 51 mm | 113.995 mm | 32 mm to 80 mm | Steel | 31.75 mm | #20B-1 | €535.06 | |
| Q | 20B26 | 263.405 mm | 26 | 51 mm | 127 mm | 32 mm to 90 mm | Steel | 31.75 mm | #20B-1 | €558.65 | |
| R | 20B27 | 273.488 mm | 27 | 51 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €584.11 | |
| S | 20B28 | 283.572 mm | 28 | 51 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €610.57 | |
| S | 20B29 | 293.658 mm | 29 | 51 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €627.17 | |
| T | 20B30 | 303.745 mm | 30 | 51 mm | 127 mm | 32 mm to 90 mm | Steel | 31.75 mm | #20B-1 | €641.86 | |
| S | 20B31 | 313.833 mm | 31 | 51 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €664.66 | |
| S | 20B32 | 323.923 mm | 32 | 51 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €687.05 | |
| S | 20B33 | 334.013 mm | 33 | 51 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €707.71 | |
| S | 20B34 | 344.105 mm | 34 | 51 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €728.57 | |
| S | 20B35 | 354.197 mm | 35 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €749.59 | |
| S | 20B37 | 374.384 mm | 37 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €803.28 | |
| S | 20B38 | 384.479 mm | 38 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €755.28 | |
| U | 20B39 | 394.574 mm | 39 | 64 mm | 127 mm | 32 mm to 90 mm | Steel | 31.75 mm | #20B-1 | €811.99 | |
| S | 20B40 | 404.669 mm | 40 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €826.34 | |
| V | 20B42 | 424.862 mm | 42 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €912.67 | |
| S | 20B43 | 434.959 mm | 43 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €935.06 | |
| S | 20B44 | 445.057 mm | 44 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €957.47 | |
| W | 20B45 | 455.155 mm | 45 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €979.37 | |
| S | 20B46 | 465.253 mm | 46 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €1,012.12 | |
| S | 20B47 | 475.352 mm | 47 | 64 mm | 127 mm | 32 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €1,044.84 | |
| S | 20B48 | 485.451 mm | 48 | 64 mm | 127 mm | 40 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €1,077.75 | |
| S | 20B50 | 505.65 mm | 50 | 64 mm | 127 mm | 40 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €1,071.94 | |
| S | 20B51 | 515.749 mm | 51 | 64 mm | 127 mm | 40 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €1,102.65 | |
| S | 20B52 | 525.849 mm | 52 | 64 mm | 127 mm | 40 mm to 86 mm | Steel | 31.75 mm | #20B-1 | €1,133.32 |
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