MARTIN SPROCKET Simplex Taper Bushed Metric Roller Chain Sprockets, 20B-1 Chain Number
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| Style | Model | Pitch Dia. | Outside Dia. | Number Of Teeth | Length Through Bore | Bushing Type | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|
| A | 20BTB12H | 122.67 mm | 143.31 mm | 12 | 38.1 mm | 1615 Taper | 31.75 mm | €341.08 | |
| A | 20BTB13H | 132.67 mm | 153.31 mm | 13 | 31.75 mm | 2012 Taper | 31.75 mm | €374.65 | |
| B | 20BTB15H | 152.71 mm | 173.35 mm | 15 | 44.45 mm | 2517 Taper | 31.75 mm | €518.81 | |
| A | 20BTB16H | 162.75 mm | 183.38 mm | 16 | 44.45 mm | 2517 Taper | 31.75 mm | €549.67 | |
| C | 20BTB17H | 172.79 mm | 193.43 mm | 17 | 44.45 mm | 2517 Taper Lock | 31.75 mm | €574.91 | |
| D | 20BTB18H | 182.84 mm | 203.48 mm | 18 | 44.45 mm | 2517 Taper | 31.75 mm | €590.46 | |
| E | 20BTB20H | 202.96 mm | 223.6 mm | - | 44.45 mm | 2517 Taper | 31.75 mm | €659.61 | |
| F | 20BTB21H | 213.03 mm | 233.66 mm | 21 | 44.45 mm | 2517 Taper | 31.75 mm | €678.32 | |
| G | 20BTB22H | 223.1 mm | 243.73 mm | 22 | 44.45 mm | 2517 Taper | 31.75 mm | €693.42 | |
| H | 20BTB23H | 233.17 mm | 253.81 mm | 23 | 44.45 mm | 2517 Taper | 31.75 mm | €597.63 | |
| I | 20BTB24H | 243.25 mm | 263.88 mm | 24 | 44.45 mm | 2517 Taper Lock | 31.75 mm | €621.19 | |
| J | 20BTB25H | 253.32 mm | 273.96 mm | - | 44.45 mm | 2517 Taper | 31.75 mm | €639.93 | |
| A | 20BTB28H | 283.57 mm | 304.21 mm | 28 | 50.8 mm | 3020 Taper | 31.75 mm | €716.20 | |
| A | 20BTB30H | 303.75 mm | 324.38 mm | 30 | 50.8 mm | 3020 Taper | 31.75 mm | €787.84 | |
| A | 20BTB32 | 323.92 mm | 344.56 mm | 32 | 50.8 mm | 3020 Taper | 31.75 mm | €829.35 | |
| A | 20BTB35 | 354.2 mm | 374.83 mm | - | 50.8 mm | 3020 Taper | 31.75 mm | €828.62 | |
| A | 20BTB36 | 364.29 mm | 384.93 mm | 36 | 50.8 mm | 3020 Taper | 31.75 mm | €851.74 | |
| A | 20BTB38 | 384.48 mm | 405.12 mm | 38 | 50.8 mm | 3020 Taper | 31.75 mm | €889.03 | |
| K | 20BTB40 | 404.67 mm | 425.31 mm | - | 50.8 mm | 3020 Taper | 31.75 mm | €980.76 | |
| A | 20BTB48 | 485.45 mm | 506.09 mm | - | 50.8 mm | 3020 Taper | 31.75 mm | €1,201.45 | |
| L | 20BTB57 | 576.35 mm | 596.99 mm | - | 50.8 mm | 3020 Taper | 31.75 mm | €1,524.96 | |
| M | 20BTB60 | 606.66 mm | 627.3 mm | 60 | 50.8 mm | 3020 Taper | 31.75 mm | €1,626.37 | |
| L | 20CTB70 | 707.68 mm | 728.32 mm | 70 | 88.9 mm | 3535 Taper | 31.75 mm | €2,263.21 | |
| L | 20CTB80 | 808.72 mm | 829.35 mm | 80 | 88.9 mm | 3535 Taper | 31.75 mm | €2,738.37 | |
| L | 20CTB84 | 849.13 mm | 869.77 mm | 84 | 88.9 mm | 3535 Taper | 31.75 mm | €2,954.37 | |
| L | 20CTB90 | 909.76 mm | 930.39 mm | 90 | 88.9 mm | 3535 Taper | 31.75 mm | €3,211.73 | |
| L | 20CTB95 | 960.28 mm | 980.91 mm | - | 88.9 mm | 3535 Taper | 31.75 mm | €3,515.86 |
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