Chinese Professional Metal Sprockets - Taper Bore Sprockets per American Standard – GOODLUCK
Chinese Professional Metal Sprockets - Taper Bore Sprockets per American Standard – GOODLUCK Detail:

Single-Taper Bushed
| No.Teeth | Number | Bushing | De | Dp | Max.Bore | L | C | Type | Weight(Approx.) | |
| Rim Only | Bushing Only | |||||||||
| 18 | 35BTB18 | 1008 | 2.352 | 2.159 | 1 | 7/8 | 17/8★ | B | .4 | .3 |
| 19 | 35BTB19 | 1008 | 2.472 | 2.278 | 1 | 7/8 | 113/16 | B | .5 | .3 |
| 20 | 35BTB20 | 1008 | 2.593 | 2.397 | 1 | 7/8 | 115/16 | B | .6 | .3 |
| 21 | 35BTB21 | 1008 | 2.713 | 2.516 | 1 | 7/8 | 21/16 | B | .7 | .3 |
| 22 | 35BTB22 | 1210 | 2.883 | 2.635 | 11/4 | 1 | 23/8★ |
B | .8 | .6 |
| 23 | 35BTB23 | 1210 | 2.954 | 2.754 | 11/4 | 1 | 27/16 | B | .9 | .6 |
| 24 | 35BTB24 | 1210 | 3.074 | 2.873 | 11/4 | 1 | 27/16 | B | .9 | .6 |
| 25 | 35BTB25 | 1210 | 3.194 | 2.992 | 11/4 | 1 | 27/16 | B | 1.2 | .6 |
| 26 | 35BTB26 | 1610 | 3.314 | 3.111 | 15/8 | 1 | 27/8★ |
B | 1.1 | .9 |
| 28 | 35BTB28 | 1610 | 3.553 | 3.349 | 15/8 | 1 | 27/8 | B | 1.2 | .9 |
| 30 | 35BTB30 | 1610 | 3.793 | 3.588 | 15/8 | 1 | 31/8 | B | 1.2 | .9 |
| 32 | 35BTB32 | 1610 | 4.032 | 3.826 | 15/8 | 1 | 31/4 | B | 1.3 | .9 |
| 35 | 35BTB35 | 1610 | 4.392 | 4.183 | 15/8 | 1 | 31/4 | B | 1.4 | .9 |
| 36 | 35BTB36 | 1610 | 4.511 | 4.303 | 15/8 | 1 | 31/4 | B | 1.4 | .9 |
| 40 | 35BTB40 | 1610 | 4.990 | 4.786 | 15/8 | 1 | 31/4 | B | 1.9 | .9 |
| 42 | 35BTB42 | 1610 | 5.229 | 5.018 | 15/8 | 1 | 31/4 | B | 2.0 | .9 |
| 45 | 35BTB45 | 1610 | 5.588 | 5.376 | 15/8 | 1 | 31/4 | B | 2.1 | .9 |
| 48 | 35BTB48 | 1610 | 5.946 | 5.734 | 15/8 | 1 | 31/4 | B | 2.3 | .9 |
| 54 | 35BTB54 | 1610 | 6.663 | 6.449 | 15/8 | 1 | 31/4 | B | 2.6 | .9 |
| 60 | 35BTB60 | 1610 | 7.380 | 7.165 | 15/8 | 1 | 31/4 | B | 3.0 | .9 |
| 70 | 35BTB70 | 1610 | 8.575 | 8.358 | 15/8 | 1 | 31/4 | B | 3.7 | .9 |
| 72 | 35BTB72 | 1610 | 8.814 | 8.597 | 15/8 | 1 | 31/4 | B | 3.9 | .9 |
| 80 | 35BTB80 | 1610 | 9.770 | 9.552 | 15/8 | 1 | 31/4 | B | 4.5 | .9 |
| 84 | 35BTB84 | 1610 | 10.247 | 10.029 | 15/8 | 1 | 31/4 | B | 4.9 | .9 |
| 96 | 35BTB96 | 1610 | 11.680 | 11.461 | 15/8 | 1 | 31/4 | B | 6.0 | .9 |
| 112 | 35BTB112 | 1610 | 13.590 | 13.371 | 15/8 | 1 | 31/4 | B | 7.8 | .9 |
★Has recessed groove in hub for chain clearance

Double-Taper Bushed
| No. Teeth | Number | Bushing | De | Dp | Max. Bore | L | C | Type | Weight (Approx.) | |
| Rim Only | Bushing Only | |||||||||
| 19 | D35BTB19H | 1008 | 2.472 | 2.278 | 1 | 7/8 | 153/65 | B | .6 | .3 |
| 20 | D35BTB20H | 1008 | 2.593 | 2.397 | 1 | 7/8 | 115/16 | B | .8 | .3 |
| 21 | D35BTB21H | 1008 | 2.713 | 2.516 | 1 | 7/8 | 21/16 | B | 1.4 | .3 |
| 22 | D35BTB22H | 1008 | 2.833 | 2.635 | 1 | 7/8 | 23/16 | B | 1.7 | .3 |
| 24 | D35BTB24H | 1210 | 3.074 | 2.873 | 11/4 | 1 | 27/16 | B | 1.8 | .6 |
| 26 | D35BTB26 | 1210 | 3.314 | 3.111 | 11/4 | 1 | 25/8 | B | 2.0 | .6 |
| 30 | D35BTB30 | 1610 | 3.793 | 3.588 | 15/8 | 1 | 31/8 | B | 1.8 | .9 |
| 32 | D35BTB32 | 1610 | 4.032 | 3.826 | 15/8 | 1 | 31/4 | B | 2.0 | .9 |
| 35 | D35BTB35 | 1610 | 4.392 | 4.183 | 15/8 | 1 | 31/4 | B | 2.3 | .9 |
| 40 | D35BTB40 | 1610 | 4.990 | 4.786 | 15/8 | 1 | 31/4 | B | 2.9 | .9 |
| 45 | D35BTB45 | 1610 | 5.588 | 5.376 | 15/8 | 1 | 31/4 | B | 3.2 | .9 |
| 48 | D35BTB48 | 1610 | 5.946 | 5.734 | 15/8 | 1 | 35/8 | B | 3.5 | .9 |
| 54 | D35BTB54 | 1610 | 6.663 | 6.449 | 15/8 | 1 | 35/8 | B | 3.9 | .9 |
| 60 | D35BTB60 | 1610 | 7.380 | 7.165 | 15/8 | 1 | 35/8 | B | 4.9 | .9 |
| 70 | D35BTB70 | 1610 | 8.575 | 8.358 | 15/8 | 1 | 35/8 | B | 6.3 | .9 |
| 80 | D35BTB80 | 1610 | 9.770 | 9.552 | 15/8 | 1 | 35/8 | B | 7.9 | .9 |
| 96 | D35BTB96 | 1610 | 11.680 | 11.461 | 15/8 | 1 | 35/8 | B | 9.9 | .9 |
| 112 | D35BTB112 | 1610 | 13.590 | 13.371 | 15/8 | 1 | 35/8 | B | 10.9 | .9 |

| No.Teeth | Number | Bushing | De | Dp | Max.Bore | L | C | Type | Weight(Approx.) | |
| Rim Only | Bushing Only | |||||||||
| 14 | 41BTB14 | 1008 | 2.49 | 2.249 | 1 | 7/8 | 17/8★ | B | .4 | .3 |
| 15 | 41BTB15 | 1008 | 2.65 | 2.405 | 1 | 7/8 | 17/8 | B | .5 | .3 |
| 16 | 41BTB16 | 1008 | 2.81 | 2.503 | 1 | 7/8 | 2 | B | .6 | .3 |
| 17 | 41BTB17 | 1210 | 2.98 | 2.721 | 11/4 | 1 | 23/8★ |
B | .7 | .6 |
| 18 | 41BTB18 | 1210 | 3.14 | 2.879 | 11/4 | 1 | 23/8 |
B | .9 | .6 |
| 19 | 41BTB19 | 1210 | 3.30 | 3.038 | 11/4 | 1 | 21/2 |
B | 1.1 | .6 |
| 20 | 41BTB20 | 1610 | 3.46 | 3.196 | 15/8 | 1 | 27/8★ |
B | 1.1 | .9 |
| 21 | 41BTB21 | 1610 | 3.62 | 3.355 | 15/8 | 1 | 3★ | B | 1.2 | .9 |
| 22 | 41BTB22 | 1610 | 3.78 | 3.573 | 15/8 | 1 | 3 | B | 1.3 | .9 |
| 23 | 41BTB23 | 1610 | 3.94 | 3.672 | 15/8 | 1 | 3 | B | 1.4 | .9 |
| 24 | 41BTB24 | 1610 | 4.10 | 3.831 | 15/8 | 1 | 31/4 | B | 1.4 | .9 |
| 25 | 41BTB25 | 1610 | 4.26 | 3.989 | 15/8 | 1 | 31/4 | B | 1.5 | .9 |
| 26 | 41BTB26 | 1610 | 4.42 | 4.148 | 15/8 | 1 | 31/4 | B | 1.5 | .9 |
| 28 | 41BTB28 | 1610 | 4.74 | 4.466 | 15/8 | 1 | 31/4 | B | 1.7 | .9 |
| 30 | 41BTB30 | 1610 | 5.06 | 4.783 | 15/8 | 1 | 31/4 | B | 1.8 | .9 |
| 32 | 41BTB32 | 1610 | 5.38 | 5.101 | 15/8 | 1 | 31/4 | B | 1.9 | .9 |
| 35 | 41BTB35 | 1610 | 5.86 | 5.578 | 15/8 | 1 | 31/4 | B | 2.3 | .9 |
| 36 | 41BTB36 | 1610 | 6.02 | 5.737 | 15/8 | 1 | 31/4 | B | 2.4 | .9 |
| 40 | 41BTB40 | 1610 | 6.65 | 6.373 | 15/8 | 1 | 31/4 | B | 2.7 | .9 |
| 45 | 41BTB45 | 1610 | 7.45 | 7.168 | 15/8 | 1 | 31/4 | B | 3.5 | .9 |
| 48 | 41BTB48 | 1610 | 7.93 | 7.645 | 15/8 | 1 | 31/4 | B | 4.1 | .9 |
| 54 | 41BTB54 | 1610 | 8.89 | 8.599 | 15/8 | 1 | 31/4 | B | 4.9 | .9 |
| 60 | 41BTB60 | 1610 | 9.84 | 9.554 | 15/8 | 1 | 31/4 | B | 5.7 | .9 |
| 70 | 41BTB70 | 1610 | 11.43 | 11.145 | 15/8 | 1 | 31/4 | B | 7.4 | .9 |
| 72 | 41BTB72 | 1610 | 11.75 | 11.463 | 15/8 | 1 | 31/4 | B | 8.2 | .9 |
| 80 | 41BTB80 | 1610 | 13.03 | 12.736 | 15/8 | 1 | 31/4 | B | 9.6 | .9 |
| 96 | 41BTB96 | 1610 | 15.37 | 15.281 | 15/8 | 1 | 31/4 | B | 13.1 | .9 |
Single-taper Bushed With Hardened Teeth

| No.Teeth | Number |
| 14 | 40BTB14H |
| 15 | 40BTB15H |
| 16 | 40BTB16H |
| 17 | 40BTB17H |
| 18 | 40BTB18H |
| 19 | 40BTB19H |
| 20 | 40BTB20H |
| 21 | 40BTB21H |
| 22 | 40BTB22H |
| 23 | 40BTB23H |
| 24 | 40BTB24H |
| 25 | 40BTB25H |
| 26 | 40BTB26H |
| 28 | 40BTB28H |
| 30 | 40BTB30H |
Single-taper Bushed
| No.Teeth | Number | Bushing | De | Dp | Max.Bore | L | C | Type | Weight(Approx.) | |
| Rim Only | Bushing Only | |||||||||
| 14 | 40BTB14 | 1008 | 2.491 | 2.2497 | 1 | 7/8 | 113/16★ | B | .3 | .3 |
| 15 | 40BTB15 | 1008 | 2.652 | 2.405 | 1 | 7/8 | 113/16 |
B | .4 | .3 |
| 16 | 40BTB16 | 1008 | 2.814 | 2.563 | 1 | 7/8 | 115/16 | B | .5 | .3 |
| 17 | 40BTB17 | 1210 | 2.975 | 2.721 | 11/4 | 1 | 23/8★ |
B | .5 | .3 |
| 18 | 40BTB18 | 1210 | 3.315 | 2.879 | 11/4 | 1 | 215/32★ |
B | .6 | .6 |
| 19 | 40BTB19 | 1210 | 3.296 | 3.038 | 11/4 | 1 | 215/32 | B | .7 | .6 |
| 20 | 40BTB20 | 1610 | 3.457 | 3.196 | 15/8 | 1 | 225/32★ | B | .7 | .9 |
| 21 | 40BTB21 | 1610 | 3.617 | 3.355 | 15/8 | 1 | 225/32 | B | .8 | .9 |
| 22 | 40BTB22 | 1610 | 3.778 | 3.513 | 15/8 | 1 | 225/32 | B | .9 | .9 |
| 23 | 40BTB23 | 1610 | 3.938 | 3.672 | 15/8 | 1 | 3 | B | 1.0 | .9 |
| 24 | 40BTB24 | 1610 | 4.098 | 3.831 | 15/8 | 1 | 31/4 | B | 1.4 | .9 |
| 25 | 40BTB25 | 1610 | 4.258 | 3.989 | 15/8 | 1 | 31/4 | B | 1.5 | .9 |
| 26 | 40BTB26 | 1610 | 4.418 | 4.148 | 15/8 | 1 | 31/4 | B | 1.7 | .9 |
| 28 | 40BTB28 | 1610 | 4.738 | 4.466 | 15/8 | 1 | 3 | B | 1.8 | .9 |
| 30 | 40BTB30 | 1610 | 5.057 | 4.783 | 15/8 | 1 | 3 | B | 1.9 | .9 |
| 32 | 40BTB32 | 1610 | 5.377 | 5.101 | 15/8 | 1 | 3 | B | 1.9 | .9 |
| 35 | 40BTB35 | 1610 | 5.855 | 5.578 | 15/8 | 1 | 3 |
B | 2.3 | .9 |
| 36 | 40BTB36 | 1610 | 6.015 | 5.737 | 15/8 | 1 | 3 |
B | 2.4 | .9 |
| 40 | 40BTB40 | 1610 | 6.653 | 6.373 | 15/8 | 1 | 3 | B | 2.8 | .9 |
| 42 | 40BTB42 | 1610 | 6.972 | 6.961 | 15/8 | 1 | 3 | B | 2.9 | .9 |
| 45 | 40BTB45 | 1610 | 7.451 | 7.168 | 15/8 | 1 | 3 |
B | 3.5 | .9 |
| 48 | 40BTB48 | 1610 | 7.928 | 7.645 | 15/8 | 1 | 3 |
B | 4.0 | .9 |
| 54 | 40BTB54 | 1610 | 8.885 | 8.599 | 15/8 | 1 | 3 |
B | 4.9 | .9 |
| 60 | 40BTB60 | 2012 | 9.841 | 9.554 | 15/8 | 1 | 3 |
B | 6.0 | .9 |
| 70 | 40BTB70 | 2012 | 11.434 | 11.145 | 2 | 1/4 | 39/16 | B | 8.2 | 1.7 |
| 72 | 40BTB72 | 2012 | 11.752 | 11.463 | 2 | 1/4 | 39/16 | B | 9.0 | 1.7 |
| 80 | 40BTB80 | 2012 | 13.026 | 12.736 | 2 | 1/4 | 39/16 | B | 10.8 | 1.7 |
| 84 | 40BTB84 | 2012 | 13.663 | 13.372 | 2 | 1/4 | 39/16 | B | 11.3 | 1.7 |
| 96 | 40BTB96 | 2012 | 15.573 | 15.282 | 2 | 1/4 | 39/16 | B | 14.6 | 1.7 |
| 112 | 40BTB112 | 2517 | 18.122 | 17.828 | 21/2 | 3/4 | 41/4 | B | 20.5 | 1.7 |
Product detail pictures:
Related Product Guide:
We've got quite possibly the most state-of-the-art production gear, experienced and qualified engineers and workers, acknowledged top quality handle systems along with a friendly expert gross sales group pre/after-sales support for Chinese Professional Metal Sprockets - Taper Bore Sprockets per American Standard – GOODLUCK , The product will supply to all over the world, such as: San Francisco, Danish, Hungary, we have 8 years experience of production and 5 years experience in trading with the customers all over the world. our clients mainly distributed in the North America, Africa and Eastern Europe. we can supply high quality products with the very competitive price.
Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
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