2021 China New Design Double Pitch Chain Sprocket - Taper Bore Sprockets per American Standard – GOODLUCK
2021 China New Design Double Pitch Chain Sprocket - 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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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for 2021 China New Design Double Pitch Chain Sprocket - Taper Bore Sprockets per American Standard – GOODLUCK , The product will supply to all over the world, such as: Jersey, Slovak Republic, Irish, Upon today, we have customers from all over the world, including USA, Russia, Spain, Italy, Singapore, Malaysia, Thailand, Poland, Iran and Iraq. The mission of our company is to provide the highest quality products with best price. We are looking forward to doing business with you.
The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
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