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:
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Assume full accountability to fulfill all demands of our purchasers; attain continual advancements by marketing the advancement of our clientele; grow to be the final permanent cooperative partner of purchasers and maximize the interests of purchasers for Chinese Professional Metal Sprockets - Taper Bore Sprockets per American Standard – GOODLUCK , The product will supply to all over the world, such as: Luxemburg, South Africa, Tunisia, We can give our clients absolute advantages in product quality and cost control, and we have full range of molds from up to one hundred of factories. As product updating fast, we succeed in developing many high quality products for our clients and get high reputation.
This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
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