체인텐셔너 > 스프라켓 (테퍼-퀵 부쉬 타입)

출처: 제이콥 아이앤시

 

 

제이콥 스프라켓 TYPE

제이콥스프라켓	|	40-1	|	40-2	|	50-1	|	50-2	|	60-1	|	60-2	|	80-1	|	80-2	|	100-1	|	120-1	|	140-1	|	160-1

제이콥 스프라켓은 장착 및 탈착의 신속성, 샤프트 보호, 축정열 용이성을 갖도록 테퍼-퀵 부쉬를 재장한 독특한 디자인으로서 다운타임을 대폭 줄여 인력절감 및 생산성 향상에 이바지한다. QD부쉬 타입도 제작 공급하며, 제원표에 기재되지 않은 사이즈 또는 특수 사양은 문의바랍니다.

테퍼-퀵 부쉬 표준 내경표

샤프트경 øDmm 키 키홈 부쉬사이즈(○ : Shallow Key) W x hmm 1008 1108 1210 1215 1310 1610 1615 2012 2517 2525 3020 3030 3525 3535 4030 4040 4535 4545 5040/5050 9 3 x 3 3 x 1.4 ● ●                                   10 3 x 3 3 x 1.4 ● ●                                   11 4 x 4 4 x 1.8 ● ● ● ●                               12 4 x 4 4 x 1.8 ● ● ● ● ●                             14 5 x 5 5 x 2.3 ● ● ● ● ● ● ● ●                       15 5 x 5 5 x 2.3 ● ● ● ● ● ● ● ●                       16 5 x 5 5 x 2.3 ● ● ● ● ● ● ● ● ●                     18 6 x 6 6 x 2.8 ● ● ● ● ● ● ● ● ●                     19 6 x 6 6 x 2.8 ● ● ● ● ● ● ● ● ● ●                   20 6 x 6 6 x 2.8 ● ● ● ● ● ● ● ● ● ●                   22 6 x 6 6 x 2.8 ● ● ● ● ● ● ● ● ● ●                   24 8 x 7 8 x 3.3(1.3) ○ ● ● ● ● ● ● ● ● ●                   25 8 x 7 8 x 3.3(1.3) ○ ● ● ● ● ● ● ● ● ● ● ●               28 8 x 7 8 x 3.3(1.3)   ○ ● ● ● ● ● ● ● ● ● ●               30 8 x 7 8 x 3.3     ● ● ● ● ● ● ● ● ● ●               32 10 x 8 10 x 3.3     ○ ○ ● ● ● ● ● ● ● ●               35 10 x 8 10 x 3.3         ● ● ● ● ● ● ● ● ● ●           38 10 x 8 10 x 3.3           ● ● ● ● ● ● ● ● ●           40 12 x 8 12 x 3.3(1.3)           ○ ○ ● ● ● ● ● ● ● ● ●       42 12 x 8 12 x 3.3(1.3)           ○ ○ ● ● ● ● ● ● ● ● ●       45 14 x 9 14 x 3.8               ● ● ● ● ● ● ● ● ●       48 14 x 9 14 x 3.8               ● ● ● ● ● ● ● ● ●       50 14 x 9 14 x 3.8               ● ● ● ● ● ● ● ● ●       55 16 x 10 16 x 4.3                 ● ● ● ● ● ● ● ● ● ●   60 18 x 11 18 x 4.4                 ● ● ● ● ● ● ● ● ● ●   65 18 x 11 18 x 4.4                 ○ ○ ● ● ● ● ● ● ● ●   70 20 x 12 20 x 4.9                     ● ● ● ● ● ● ● ● ● 75 20 x 12 20 x 4.9                     ● ● ● ● ● ● ● ● ● 80 22 x 14 22 x 5.4                         ● ● ● ● ● ● ● 85 22 x 14 22 x 5.4                         ● ● ● ● ● ● ● 90 25 x 14 25 x 5.4                         ● ● ● ● ● ● ● 95 25 x 14 25 x 5.4                         ● ○ ● ● ● ● ● 100 28 x 16 28 x 6.4                         ○   ● ● ● ● ● 105 28 x 16 28 x 6.4                             ● ○ ● ● ● 110 28 x 16 28 x 6.4                             ● ○ ● ● ● 115 32 x 18 32 x 7.4                             ○   ●   ● 120 32 x 18 32 x 7.4                                 ●   ● 125 32 x 18 32 x 7.4                                 ●   ● ○표시 bore는 shallow key 이거나 최대치에 해당하며, steel 소재로 제작됨.가격은 고가임. 1/2 " pitch 제이콥 체인 스프라켓, 40-1열   자료DOWN 주문예 : 제이콥 스프라켓 40-BTB-14H, 1008 x 16 mm 표준키홈 열처리 타입-H   No. Teeth Catalog Number 14 15 16 40BTB14H 40BTB15H 40BTB16H 17 18 19 40BTB17H 40BTB18H 40BTB19H 20 21 22 40BTB20H 40BTB21H 40BTB22H 23 24 25 40BTB23H 40BTB24H 40BTB25H 26 28 30 40BTB26H 40BTB28H 40BTB30H Single-Taper Bushed No. Teeth Catalog Number Bushing Diameters Max. Bore Type Outside Diameter Pitch Diameter 14 15 16 17 40BTB14 40BTB15 40BTB16 40BTB17 1008 1008 1008 1210 2.491 2.652 2.814 2.975 2.247 2.405 2.563 2.721 1 1 1 1 1/4 B,D B,D B,D B,D 18 19 20 21 40BTB18 40BTB19 40BTB20 40BTB21 1210 1210 1610 1610 3.135 3.296 3.457 3.617 2.879 3.038 3.196 3.355 1 1/4 1 1/4 1 5/8 1 5/8 B,D B,D B,D B,D 22 23 24 25 40BTB22 40BTB23 40BTB24 40BTB25 1610 1610 1610 1610 3.778 3.938 3.457 3.617 3.513 3.672 3.831 3.989 1 5/8 1 5/8 1 5/8 1 5/8 B,D B,D B,D B,D 26 28 30 32 40BTB26 40BTB28 40BTB30 40BTB32 1610 1610 1610 1610 4.418 4.738 5.057 5.377 4.148 4.466 4.783 5.101 1 5/8 1 5/8 1 5/8 1 5/8 B,D B,D B,D B,D 35 36 40 42 40BTB35 40BTB36 40BTB40 40BTB42 1610 1610 1610 1610 5.855 6.015 6.653 6.972 5.578 5.737 6.373 6.691 1 5/8 1 5/8 1 5/8 1 5/8 B,D B,D B,D B,D 45 48 54 60 40BTB45 40BTB48 40BTB54 40BTB60 1610 1610 1610 1610 7.451 7.928 8.885 9.841 7.168 7.645 8.599 9.554 1 5/8 1 5/8 1 5/8 1 5/8 B,D B,D B,D B,D 70 72 80 40BTB70 40BTB72 40BTB80 2012 2012 2012 11.434 11.752 13.026 11.145 11.463 12.736 2 2 2 B,D B,D B,D 84 96 112 40BTB84 40BTB96 40BTB112 2012 2012 2017 13.663 15.573 18.122 13.372 15.282 17.828 2 2 2 1/2 B,D B,D B,D

1/2 " pitch 제이콥 체인 스프라켓, 40-2열

주문예 : 제이콥 2열 스프라켓 D40-ATB-15HT, 1008 x 19 mm 표준키홈

Double-Taper Bushed

No. Teeth	Catalog Number	Bushing	Diameters		Max. Bore	Dimensions		Type	Weigth(Approx.)
			Outside Diameter	Pitch Diameter		L	C		Rim Only	Bushing Only
15 16 17 18	D40ATB15H D40ATB16H D40ATB17H D40ATB18H	1008 1008 1008 1210	2.652 2.814 2.975 3.135	2.405 2.563 2.721 2.879	1 1 1 1 1/4	7/8 7/8 7/8 1	1 17/64 1 17/64 1 17/64 2  5/16	A A A B	.5 .6 .7 .7	.3 .3 .3 .6
19 20 21 23	D40ATB19H D40ATB20H D40ATB21H D40ATB23H	1210 1610 1610 1610	3.296 3.457 3.617 3.938	3.038 3.196 3.355 3.672	1 1/4 1 5/8 1 5/8 1 5/8	1 1 1 1	2 1/2 2 5/8 2 3/4 3	B B B B	.9 .9 1.0 1.3	.6 .9 .9 .9
25 30 36 42	D40ATB25H D40ATB30H D40ATB36H D40ATB42H	2012 2012 2012 2517	4.258 5.057 6.015 6.972	3.989 4.783 5.737 6.691	2 2 2 2 1/2	1 1/4 1 1/4 1 1/4 1 3/4	3 13/32 4 15/64 5  5/32 4   1/4	B B B C	1.6 3.4 5.9 7.0	1.7 1.7 1.7 3.5
48 52 60 68	D40ATB48H D40ATB52H D40ATB60H D40ATB68H	2517 2517 2517 2517	7.928 8.566 9.841 11.115	7.645 8.281 9.554 10.826	2 1/2 2 1/2 2 1/2 2 1/2	1 3/4 1 3/4 1 3/4 1 3/4	4 1/4 4 1/4 4 1/4 4 1/4	C C C C	9.6 11.4 15.4 20.5	3.5 3.5 3.5 3.5
76 84 95 102	D40ATB76H D40ATB84H D40ATB95H D40ATB102H	2517 2517 2517 2517	12.389 13.663 15.414 16.529	12.099 13.372 15.122 16.236	2 1/2 2 1/2 2 1/2 2 1/2	1 3/4 1 3/4 1 3/4 1 3/4	4 1/4 4 1/4 4 1/4 4 1/4	C C C C	25.7 31.6 34.1 36.8	3.5 3.5 3.5 3.5

5/8 " pitch 제이콥 체인 스프라켓, 50-1열

주문예 : 제이콥 스프라켓 50-BTB-12H, 1008 x 19 mm 표준키홈

	열처리 타입-H
	No. Teeth Catalog Number 12 13 14 50BTB12H 50BTB13H 50BTB14H 15 16 17 50BTB15H 50BTB16H 50BTB17H 18 19 20 50BTB18H 50BTB19H 50BTB20H 21 22 23 24 50BTB21H 50BTB22H 50BTB23H 50BTB24H 25 26 27 28 30 50BTB25H 50BTB26H 50BTB27H 50BTB28H 50BTB30H

Single-Taper Bushed

NO. Teeth Catalog Number Bushing Diameter Max. Bore Dimensions Type Weight(Approx.) Outside Diameter Pitch Diameter L C Rim Only Bushing Only 12 13 14 15 16 50BTB12 50BTB13 50BTB14 50BTB15 50BTB16 1008 1008 1008 1210 1610 2.708 2.911 3.113 3.315 3.517 2.415 2.612 2.809 3.006 3.204 1 1 1 1 1/4 1 5/8 7/8 7/8 7/8 1 1 1 15/16 1 13/16 1 15/16 2 15/32 2 25/32 B,D B,D B,D B,D B,D .5 .5 .6 .7 .7 .3 .3 .3 .6 .9 17 18 19 20 21 50BTB17 50BTB18 50BTB19 50BTB20 50BTB21 1610 1610 1610 1610 1610 3.719 3.920 4.120 4.321 4.522 3.401 3.599 3.797 3.995 4.193 1 5/8 1 5/8 1 5/8 1 5/8 1 5/8 1 1 1 1 1 2 25/32 2 25/32 3 3 1/4 3 B,D B,D B,D B,D B,D .8 .9 1.3 1.6 1.5 .9 .9 .9 .9 .9 22 23 24 25 26 50BTB22 50BTB23 50BTB24 50BTB25 50BTB26 1610 2012 2012 2012 2012 4.722 4.922 5.122 5.322 5.522 4.392 4.590 4.788 4.987 5.185 1 5/8 2 2 2 2 1 1 1/4 1 1/4 1 1/4 1 1/4 3 3 9/16 3 9/16 3 9/16 3 9/16 B,D B,D B,D B,D B,D 1.6 2.0 2.2 2.4 2.5 .9 1.7 1.7 1.7 1.7 27 28 30 32 35 50BTB27 50BTB28 50BTB30 50BTB32 50BTB35 2012 2012 2012 2012 2012 5.723 5.922 6.321 6.721 7.319 5.348 5.582 5.979 6.376 6.972 2 2 2 2 2 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 3 9/16 3 9/16 3 9/16 3 9/16 3 9/16 B,D B,D B,D B,D B,D 2.6 2.8 3.2 3.6 4.2 1.7 1.7 1.7 1.7 1.7 36 40 42 45 48 50BTB36 50BTB40 50BTB42 50BTB45 50BTB48 2012 2012 2012 2012 2012 7.519 8.316 8.715 9.313 9.911 7.171 7.966 8.363 8.960 9.556 2 2 2 2 2 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 3 9/16 3 9/16 3 9/16 3 9/16 3 9/16 B,D B,D B,D B,D B,D 4.3 5.2 5.9 6.5 7.3 1.7 1.7 1.7 1.7 1.7 54 60 70 72 80 84 96 112 50BTB54 50BTB60 50BTB70 50BTB72 50BTB80 50BTB84 50BTB96 50BTB112 2012 2012 2517 2517 2517 2517 2517 2517 11.106 12.301 14.292 14.690 16.282 17.079 19.466 22.651 10.749 11.942 13.931 14.329 15.920 16.715 19.102 22.285 2 2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 1 1/4 1 1/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 3 9/16 3 9/16 4 1/4 4 1/4 4 1/4 4 1/4 4 1/4 4 1/4 B,D B,D B,D B,D B,D B,D B,D B,D 9.0 10.8 14.0 15.5 19.5 22.5 29.0 38.7 1.7 1.7 3.5 3.5 3.5 3.5 3.5 3.5 ＊Has recessed groove in hub for chain clearance.

5/8 " pitch 제이콥 체인 스프라켓, 50-2열

주문예 : 제이콥 2열 스프라켓 D50-ATB-14HT, 1008 x 19 mm 표준키홈

Double-Taper Bushed

NO. Teeth	Catalog Number	Bushing	Diameter		Max. Bore	Dimensions		Type	Weight(Approx.)
			Outside Diameter	Pitch Diameter		L	C		Rim Only	Bushing Only
14 15 16 17	D50ATB14H D50ATB15H D50ATB16H D50ATB17H	1008 1210 1210 1610	3.113 3.315 3.517 3.719	2.809 3.006 3.204 3.410	1 1 1/4 1 1/4 1 5/8	7/8 1 1 1		A A A A	.8 .9 1.1 1.1	.3 .6 .6 .6
18 19 20 21	D50ATB18H D50ATB19H D50ATB20H D50ATB21H	1610 1610 2012 2012	3.920 4.120 4.321 4.522	3.599 3.797 3.995 4.193	1 5/8 1 5/8 2 2	1 1 1 1/4 1 1/4	3 1/4 3 1/2	A A B B	1.3 1.6 1.5 1.9	.9 .9 1.7 1.7
25 30 36 42	D50ATB25H D50ATB30H D50ATB36H D50ATB42H	2012 2517 2517 2517	5.322 6.321 7.519 8.715	4.987 5.979 7.171 8.363	2 2 1/2 2 1/2 2 1/2	1 1/4 1 3/4 1 3/4 1 3/4	4 9/32 5 9/32 4 1/4 4 1/4	B B C C	3.8 7.5 9.4 13.4	1.7 3.5 3.5 3.5
48 52 60 68	D50ATB48H D50ATB52H D50ATB60H D50ATB68H	2517 2517 2517 2517	9.911 10.707 12.301 13.893	9.556 10.351 11.942 13.533	2 1/2 2 1/2 2 1/2 2 1/2	1 3/4 1 3/4 1 3/4 1 3/4	4 1/4 4 3/8 4 3/8 4 3/8	C C C C	18.6 22.2 30.3 39.4	3.5 3.5 3.5 3.5
76 84 95 102	D50ATB76H D50ATB84H D50ATB95H D50ATB102H	2517 2517 2517 2517	15.486 17.079 19.267 20.661	15.124 16.715 18.903 20.295	2 1/2 2 1/2 2 1/2 2 1/2	1 3/4 1 3/4 1 3/4 1 3/4	4 3/8 4 3/8 4 3/8 4 3/8	C C C C	41.2 45.3 58.8 67.1	3.5 3.5 3.5 3.5
NOTE: Double 50 stock sprockets teeth or have Hardened Teeth.

3/4 " pitch 제이콥 체인 스프라켓, 60-1열

주문예 : 제이콥 스프라켓 60-BTB-11H, 1008 x 19 mm 표준키홈

열처리 타입-H

No. Teeth Catalog Number 11 12 13 60BTB11H 60BTB12H 60BTB13H 14 15 16 60BTB14H 60BTB15H 60BTB16H 17 18 19 60BTB17H 60BTB18H 60BTB19H 20 21 22 60BTB20H 60BTB21H 60BTB22H 23 24 25 60BTB23H 60BTB24H 60BTB25H 26 27 28 30 60BTB26H 60BTB27H 60BTB28H 60BTB30H

Single-Taper Bushed

NO. Teeth	Catalog Number	Bushing	Diameter		Max. Bore	Dimensions		Type	Weight(Approx.)
			Outside Diameter	Pitch Diameter		L	C		Rim Only	Bushing Only
11 12 13 14 15	60BTB11 60BTB12 60BTB13 60BTB14 60BTB15	1008 1008 1210 1210 1610	3.004 3.249 3.493 3.736 3.979	2.662 2.898 3.134 3.371 3.607	1 1 1 1/4 1 1/4 1 5/8	7/8 7/8 1 1 1	1 13/16 1 15/16 2 15/32 2 15/32 2 15/32	B,D B,D B,D B,D B,D	.6 .8 .8 1.0 1.0	.3 .3 .6 .6 .9
16 17 18 19 20	60BTB16 60BTB17 60BTB18 60BTB19 60BTB20	1610 1610 1610 1610 2012	4.221 4.462 4.704 4.945 5.185	3.844 4.082 4.319 4.557 4.794	1 5/8 1 5/8 1 5/8 1 5/8 2	1 1 1 1 1 1/4	3 3 1/4 3 1/4 3 1/4 3 9/16	B,D B,D B,D B,D B,D	1.4 1.8 1.9 2.2 2.2	.9 .9 .9 .9 1.7
21 22 23 24 25	60BTB21 60BTB22 60BTB23 60BTB24 60BTB25	2012 2012 2012 2012 2012	5.426 5.666 5.907 6.147 6.387	5.032 5.270 5.508 5.746 5.984	2 2 2 2 2	1 1/4 1 1/4 1 1/4 1 1/4 1 1/4	3 9/16 3 9/16 3 9/16 3 9/16 3 9/16	B,D B,D B,D B,D B,D	2.5 2.8 3.1 3.4 3.7	1.7 1.7 1.7 1.7 1.7
26 27 28 30 32	60BTB26 60BTB27 60BTB28 60BTB30 60BTB32	2012 2012 2012 2012 2012	6.627 6.867 7.107 7.586 8.065	6.222 6.416 6.699 7.175 7.652	2 2 2 2 2	1 1/4 1 1/4 1 1/4 1 1/4 1 1/4	3 9/16 3 9/16 3 9/16 3 9/16 3 9/16	B,D B,D B,D B,D B,D	4.0 4.2 4.6 5.2 5.6	1.7 1.7 1.7 1.7 1.7
35 36 40 42 45	60BTB35 60BTB36 60BTB40 60BTB42 60BTB45	2012 2012 2012 2012 2012	8.783 9.022 9.980 10.458 11.175	8.367 8.605 9.559 10.036 10.752	2 2 2 2 2	1 1/4 1 1/4 1 1/4 1 1/4 1 1/4	3 9/16 3 9/16 3 9/16 3 9/16 3 9/16	B,D B,D B,D B,D B,D	6.4 6.6 8.3 10.0 11.5	1.7 1.7 1.7 1.7 1.7
48 54 60 70 72	60BTB48 60BTB54 60BTB60 60BTB70 60BTB72	2012 2517 2517 2517 2517	11.893 13.327 14.761 17.150 17.628	11.467 12.899 14.330 16.717 17.194	2 2 1/2 2 1/2 2 1/2 2 1/2	1 1/4 1 3/4 1 3/4 1 3/4 1 3/4	3 9/16 4 1/4 4 1/4 4 1/4 4 1/4	B,D B,D B,D B,D B,D	13.2 17.1 21.0 27.6 30.0	1.7 3.5 3.5 3.5 3.5
80 84	60BTB80 60BTB84	2517 2517	19.539 20.494	19.103 20.058	2 1/2 2 1/2	1 3/4 1 3/4	4 1/4 4 1/4	B,D B,D	36.3 40.6	3.5 3.5
＊Has recessed groove in hub for chain clearance.

3/4 " pitch 제이콥 체인 스프라켓, 60-2열

주문예 : 제이콥 2열 스프라켓 D60-BTB-13 HT, 1215 x 25 mm 표준키홈

Double-Taper Bushed

NO. Teeth	Catalog Number	Bushing	Diameter		Max. Bore	Dimensions		Type	Weight(Approx.)
			Outside Diameter	Pitch Diameter		L	C		Rim Only	Bushing Only
13 14 15 16	D60BTB13H D60BTB14H D60BTB15H D60BTB16H	1215 1215 1615 1615	3.493 3.736 3.979 4.221	3.134 3.371 3.607 3.844	1 1/4 1 1/4 1 5/8 1 5/8	1 1/2 1 1/2 1 1/2 1 1/2	2 1/4 2 1/2 2 13/16 3	B B B B	1.2 1.6 1.3 2.2	1.6 1.7 1.8 2.3
17 18 19	D60BTB17H D60BTB18H D60BTB19H	1615 2012 2012	4.462 4.704 4.945	4.082 4.319 4.557	1 5/8 2 2	1 1/2 1 1/4 1 1/4	3 1/4	B A A	2.5 3.0 3.5	2.8 2.4 2.9
20 21 25 30	D60BTB20H D60BTB21H D60BTB25H D60BTB30H	2517 2517 2517 2517	5.185 5.426 6.387 7.586	4.794 5.032 4.984 7.175	2 1/2 2 1/2 2 1/2 2 1/2	1 3/4 1 3/4 1 3/4 1 3/4	3 61/64 4 3/16 5 5/32 6 11/32	B B B B	4.0 5.0 7.5 13.5	2.9 3.8 7.4 13.3
36 42 45 52	D60BTB36H D60BTB42H D60BTB45H D60BTB52H	2517 2517 2517 2517	9.022 10.458 11.176 12.849	8.605 10.036 10.752 12.422	2 1/2 2 1/2 2 1/2 2 1/2	1 3/4 1 3/4 1 3/4 1 3/4	4 1/4 4 1/4 4 1/4 4 1/4	C C C C	17.5 25.5 29.5 41.0	17.4 25.0 29.3 40.3
60 68 76 95	D60BTB60H D60BTB68H D60BTB76H D60BTB95H	2517 2517 3020 3020	14.761 16.672 18.583 23.121	14.330 16.240 18.149 22.684	2 1/2 2 1/2 3 3	1 3/4 1 3/4 2 2	4 1/4 4 1/2 5 1/4 5 1/4	C1 C1 C1 C1	32.5 36.5 42.5 48.5	33.5 43.2 47.8 69.8
NOTE: Double 60 stock sprockets with or less have hardened teeth.

1 " pitch 제이콥 체인 스프라켓, 80-1열

주문예 : 제이콥 스프라켓 80-BTB-10H, 1215 x 25 mm 표준키홈

열처리 타입-H

No. Teeth Catalog Number 10 11 12 80BTB10H 80BTB11H 80BTB12H 13 14 15 80BTB13H 80BTB14H 80BTB15H 16 17 18 80BTB16H 80BTB17H 80BTB18H 19 20 21 80BTB19H 80BTB20H 80BTB21H 22 23 24 80BTB22H 80BTB23H 80BTB24H 25 26 27 80BTB25H 80BTB26H 80BTB27H 28 30 80BTB28H 80BTB30H

Single-Taper Bushed

NO. Teeth Catalog Number Bushing Diameter Max. Bore Dimensions Type Weight(Approx.) Outside Diameter Pitch Diameter L C Rim Only Bushing Only 10 11 12 13 14 15 80BTB10 80BTB11 80BTB12 80BTB13 80BTB14 80BTB15 1215 1215 1615 1615 1615 1615 3.678 4.006 4.332 4.657 4.982 5.305 3.236 3.549 3.864 4.179 4.494 4.810 1 1/4 1 1/4 1 5/8 1 5/8 1 5/8 1 5/8 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 2 3/8 2 15/32 3 3 3 1/4 3 1/4 B,D B,D B,D B,D B,D B,D 1.1 1.5 1.8 2.3 2.5 2.7 .8 .8 1.2 1.2 1.2 1.2 16 17 18 19 20 80BTB16 80BTB17 80BTB18 80BTB19 80BTB20 2012 2012 2012 2012 2517 5.627 5.950 6.271 6.593 6.914 5.126 5.442 5.759 6.076 6.392 2 2 2 2 2 1/2 1 1/4 1 1/4 1 1/4 1 1/4 1 3/4 3 9/16 3 9/16 3 9/16 3 9/16 4 1/4 B,D B,D B,D B,D B,D 2.8 3.1 2.6 4.1 5.5 1.7 1.7 1.7 1.7 1.7 21 22 23 24 25 80BTB21 80BTB22 80BTB23 80BTB24 80BTB25 2517 2517 2517 2517 2517 7.235 7.555 7.875 8.196 8.516 6.710 7.027 7.344 7.661 7.979 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 4 1/4 4 1/4 4 1/4 4 1/4 4 1/4 B,D B,D B,D B,D B,D 6.0 6.5 7.0 7.5 8.1 3.5 3.5 3.5 3.5 3.5 26 27 28 30 32 80BTB26 80BTB27 80BTB28 80BTB30 80BTB32 2517 2517 2517 2517 2517 8.836 9.156 9.475 10.114 10.753 8.296 8.614 8.931 9.567 10.202 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 4 1/4 4 1/4 4 1/4 4 1/4 4 1/4 B,D B,D B,D B,D B,D 8.8 9.0 9.5 11.5 12.0 3.5 3.5 3.5 3.5 3.5 35 36 40 45 48 54 80BTB35 80BTB36 80BTB40 80BTB45 80BTB48 80BTB54 2517 2517 2517 2517 2517 2517 11.711 12.030 13.306 14.901 15.857 17.769 11.156 11.474 12.746 14.336 15.290 17.198 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 4 1/4 4 1/4 4 1/4 4 1/4 4 1/4 4 1/4 B,D B,D B,D B,D B,D B,D 15.2 17.0 21.0 26.5 29.5 38.5 3.5 3.5 3.5 3.5 3.5 3.5 60 70 80 80BTB60 80BTB70 80BTB80 2517 3020 3020 19.681 22.867 26.052 19.107 22.289 25.471 2 1/2 3 3 1 3/4 2 2 4 1/4 5 1/4 5 1/4 B,D B,D B,D 45.0 52.3 69.2 3.5 6.5 6.5 ＊HAS RECESSED GROOVE IN HUB FOR CHAIN CLEARANCE.

1 " pitch 제이콥 체인 스프라켓, 80-2열

주문예 : 제이콥 2열 스프라켓 D80-ATB-13H, 1615 x 32 mm 표준키홈

Double-Taper Bushed

NO. Teeth	Catalog Number	Bushing	Diameter		Max. Bore	Dimensions		Type	Weight(Approx.)
			Outside Diameter	Pitch Diameter		L	C		Rim Only	Bushing Only
13 14 15	D80ATB13H D80ATB14H D80ATB15H	1615 2012 2012	4.657 4.982 5.305	4.179 4.494 4.810	1 5/8 2 2	1 1/2 1 1/4 1 1/4		A A A	3.4 3.5 4.3	1.2 1.7 1.7
16 17 18	D80ATB16H D80ATB17H D80ATB18H	2517 2517 2517	5.627 5.950 6.271	5.126 5.442 5.759	2 1/2 2 1/2 2 1/2	1 3/4 1 3/4 1 3/4	3 1/8 3 1/8 3 1/8	A A A	3.8 5.1 6.4	3.5 3.5 3.5
19 20 21 25	D80ATB19H D80ATB20H D80ATB21H D80ATB25H	3020 3020 3020 3020	6.593 6.914 7.235 8.516	6.076 6.392 6.710 7.979	3 3 3 3	2 2 2 2	5 5 1/4 5 9/16 6 7/8	B B B B	5.6 7.1 8.9 16.5	6.5 6.5 6.5 6.5
30 36 42 45	D80ATB30H D80ATB36H D80ATB42H D80ATB45H	3020 3020 3020 3020	10.114 12.030 13.944 14.901	9.567 11.474 13.392 14.336	3 3 3 3	2 2 2 2	5 1/4 5 1/4 5 1/4 5 1/4	C C C C1	25.1 39.4 36.4 41.4	6.5 6.5 6.5 6.5
52 60 68 76 95	D80ATB52H D80ATB60H D80ATB68H Dc80ATB76H D80ATB95H	3020 3020 3020 3020 3020	17.132 19.681 22.230 24.778 30.828	16.562 19.107 21.653 24.198 30.245	3 3 3 3 3	2 2 2 2 2	5 1/4 5 1/4 5 1/4 5 1/4 5 1/4	C1 C1 C1 C1 C1	56.2 66.3 72.0 89.1 112	6.5 6.5 6.5 6.5 6.5
NOTE: Double 80 stock sprockets with 25 teeth or less have Hardened Teeth.

1 1/4" pitch 제이콥 체인 스프라켓, 100-1열

주문예 : 제이콥 스프라켓 100-BTB-11H, 1615 x 32 mm 표준키홈

열처리 타입-H

No. Teeth Catalog Number 11 12 13 100BTB11H 100BTB12H 100BTB13H 14 15 16 100BTB14H 100BTB15H 100BTB16H 17 18 19 100BTB17H 100BTB18H 100BTB19H 20 21 22 100BTB20H 100BTB21H 100BTB22H 24 26 28 30 100BTB24H 100BTB26H 100BTB28H 100BTB30H

Single-Taper Bushed

NO. Teeth Catalog Number Bushing Diameter Max. Bore Dimensions Type Weight(Approx.) Outside Diameter Pitch Diameter L C Rim Only Bushing Only 11 12 13 14 15 100BTB11 100BTB12 100BTB13 100BTB14 100BTB15 1615 1615 2012 2012 2517 5.007 5.415 5.821 6.227 6.631 4.437 4.830 5.223 5.617 6.012 1 5/8 1 5/8 2 2 2 1/2 1 1/2 1 1/2 1 1/4 1 1/4 1 3/4 3 3 1/4 3 9/16 3 9/16 4 1/4 B,D B,D B,D B,D B,D 2.7 3.5 3.6 3.9 5.0 1.2 1.2 1.7 1.7 3.5 16 17 18 19 20 100BTB16 100BTB17 100BTB18 100BTB19 100BTB20 2517 2517 2517 2517 2517 7.043 7.437 7.839 8.241 8.642 6.407 6.803 7.198 7.594 7.991 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 4 1/2 4 1/2 4 1/2 4 1/2 4 1/2 B,D B,D B,D B,D B,D 6.4 7.1 7.8 8.7 9.6 3.5 3.5 3.5 3.5 3.5 21 22 24 26 28 100BTB21 100BTB22 100BTB24 100BTB26 100BTB28 2517 2517 2517 2517 3020 9.043 9.444 10.245 11.045 11.844 8.387 8.783 9.577 10.370 11.164 2 1/2 2 1/2 2 1/2 2 1/2 3 1 3/4 1 3/4 1 3/4 1 3/4 2 4 1/2 4 1/2 4 1/2 4 1/2 5 1/4 B,D B,D B,D B,D B,D 10.6 11.0 13.0 15.0 16.5 3.5 3.5 3.5 3.5 6.5 30 32 35 36 40 100BTB30 100BTB32 100BTB35 100BTB36 100BTB40 3020 3020 3020 3020 3020 12.643 13.442 14.639 15.038 16.633 11.958 12.753 13.945 14.342 15.932 3 3 3 3 3 2 2 2 2 2 5 1/4 5 1/4 5 1/4 5 1/4 5 1/4 B,D B,D B,D B,D B,D 22.0 23.0 28.0 31.0 37.0 6.5 6.5 6.5 6.5 6.5 45 48 54 60 100BTB45 100BTB48 100BTB54 100BTB60 3020 3020 3020 3020 18.626 19.821 22.212 24.601 17.919 19.112 21.498 23.884 3 3 3 3 2 2 2 2 5 1/4 5 1/4 5 1/4 5 1/4 B,D B,D B,D B,D 46.0 53.0 62.0 72.0 6.5 6.5 6.5 6.5

1 1/2" pitch 제이콥 체인 스프라켓, 120-1열

주문예 : 제이콥 스프라켓 120-BTB-12HT, 2012 x 45 mm 표준키홈

열처리 타입-H

No. Teeth Catalog Number 12 13 14 120BTB12H 120BTB13H 120BTB14H 15 16 17 120BTB15H 120BTB16H 120BTB17H 18 19 20 120BTB18H 120BTB19H 120BTB20H 21 24 26 30 120BTB21H 120BTB24H 120BTB26H 120BTB30H

Single-Taper Bushed

NO. Teeth	Catalog Number	Bushing	Diameter		Max. Bore	Dimensions		Type	Weight(Approx.)
			Outside Diameter	Pitch Diameter		L	C		Rim Only	Bushing Only
12 13 14 15	120BTB12 120BTB13 120BTB14 120BTB15	2012 2517 2517 2517	6.498 6.896 7.472 7.957	5.796 6.268 6.741 7.215	2 2 1/2 2 1/2 2 1/2	1 1/4 1 3/4 1 3/4 1 3/4	3 9/16 4 1/4 4 1/4 4 1/4	B,D B,D B,D B,D	5.5 6.0 7.0 8.0	1.7 3.5 3.5 3.5
16 17 18 19	120BTB16 120BTB17 120BTB18 120BTB19	3020 3020 3020 3020	8.441 8.924 9.407 9.889	7.689 8.163 8.638 9.113	3 3 3 3	2 2 2 2	5 1/4 5 1/4 5 1/4 5 1/4	B,D B,D B,D B,D	10.0 11.0 12.0 14.0	6.5 6.5 6.5 6.5
20 21 24 26	120BTB20 120BTB21 120BTB24 120BTB26	3020 3020 3020 3020	10.371 10.851 12.294 13.254	9.588 10.064 11.492 12.444	3 3 3 3	2 2 2 2	5 1/4 5 1/4 5 1/4 5 1/4	B,D B,D B,D B,D	15.5 17.5 23.5 28.5	6.5 6.5 6.5 6.5
30 35 45 60 70 80	120BTB30 120BTB35 120BTB45 120BTB60 120BTB70 120BTB80	3020 3020 3030 3535 3535 3535	15.171 17.566 22.351 29.522 34.301 39.078	14.351 16.734 21.503 28.661 33.434 38.207	3 3 3 3 1/2 3 1/2 3 1/2	2 2 3 3 1/2 3 1/2 3 1/2	5 1/4 5 1/4 5 7/8 6 1/2 6 1/2 6 1/2	B,D C C C C C	33.5 52.0 82.0 140.0 175.0 220.0	6.5 6.5 9.2 14.0 14.0 14.0

Single-Type C-Steel 1 1/2"Pitch

No.Teeth	Catalog Number	Outside Diameter	Bore(inches)		Hub(inches)		Weight Lbs. (Approx.)
			Stock	Rec.Max.	Diameter	Length
11 12	120C11 120C12	6.010 6.500	1 3/8 1 3/8	2 3/8 4 13/16	3 9/16 4 13/16	3 3/8 3 3/8	12.45 14.80
13 14	120C13 120C14	6.990 7.470	1 3/8 1 3/8	3 3 1/4	4 5/8 4 3/4	3 3/8 3 3/8	17.15 19.50

1 3/4" pitch 제이콥 체인 스프라켓, 140-1열

주문예 : 제이콥 스프라켓 140-BTB-12H, 2517 x 55 mm 표준홈

열처리 타입-H

No. Teeth Catalog Number 12 13 14 140BTB12H 140BTB13H 140BTB14H 15 16 17 140BTB15H 140BTB16H 140BTB17H 18 19 21 26 140BTB18H 140BTB19H 140BTB21H 140BTB26H

Single-Taper Bushed

NO. Teeth Catalog Number Bushing Diameter Max. Bore Dimensions Type Weight(Approx.) Outside Diameter Pitch Diameter L C Rim Only Bushing Only 12 13 14 15 140BTB12 140BTB13 140BTB14 140BTB15 2517 3020 3020 3020 7.581 8.150 8.718 9.283 6.762 7.313 7.864 8.417 2 1/2 3 3 3 1 3/4 2 2 2 4 1/4 5 1/4 5 1/4 5 1/4 B,D B,D B,D B,D 7.0 8.0 10.0 12.0 3.5 6.5 6.5 6.5 16 17 18 19 140BTB16 140BTB17 140BTB18 140BTB19 3020 3020 3020 3020 9.848 10.411 10.975 11.537 8.970 9.524 10.078 11.537 3 3 3 3 2 2 2 2 5 1/4 5 1/4 5 1/4 5 1/4 B,D B,D B,D B,D 14.0 16.0 18.0 20.0 6.5 6.5 6.5 6.5 21 26 35 140BTB21 140BTB26 140BTB35 3020 3020 3535 12.660 15.463 20.494 11.742 14.518 19.523 3 3 3 1/2 2 2 3 1/2 5 1/4 5 1/4 6 1/2 B,D B,D C 24.0 40.0 78.0 6.5 6.5 14 45 60 70 140BTB45 140BTB60 140BTB70 4040 4040 4040 26.076 34.442 40.017 25.087 33.438 39.006 4 4 4 4 4 4 7 3/4 7 3/4 7 3/4 C C C 118.0 188.0 241.0 22 22 22

2" pitch 제이콥 체인 스프라켓, 160-1열

주문예: 제이콥 스프라켓 160-BTB-11H, 2517 x 60 mm 표준키홈

열처리 타입-H

No. Teeth Catalog Number 11 12 13 160BTB11H 160BTB12H 160BTB13H 14 15 16 17 160BTB14H 160BTB15H 160BTB16H 160BTB17H 18 19 21 26 160BTB18H 160BTB19H 160BTB21H 160BTB26H

Single-Taper Bushed

NO. Teeth	Catalog Number	Bushing	Diameter		Max. Bore	Dimensions		Type	Weight(Approx.)
			Outside Diameter	Pitch Diameter		L	C		Rim Only	Bushing Only
11 12 13 14	160BTB11 160BTB12 160BTB13 160BTB14	2517 3020 3020 3020	8.011 8.664 9.314 9.963	7.099 7.727 8.357 8.988	2 1/2 3 3 3	1 3/4 2 2 2	4 1/4 5 1/4 5 1/4 5 1/4	B,D B,D B,D B,D	9.0 11.0 13.0 16.0	3.5 6.5 6.5 6.5
15 16 17	160BTB15 160BTB16 160BTB17	3535 3535 3535	10.609 11.255 11.899	9.620 10.252 10.885	3 1/2 3 1/2 3 1/2	3 1/2 3 1/2 3 1/2	6 1/2 6 1/2 6 1/2	B,D B,D B,D	25.0 28.0 32.0	14.0 14.0 14.0
18 19 21	160BTB18 160BTB19 160BTB21	3535 3535 3535	12.543 13.185 14.470	11.518 12.151 13.419	3 1/2 3 1/2 3 1/2	3 1/2 3 1/2 3 1/2	6 1/2 6 1/2 6 1/2	B,D B,D B,D	35.0 39.0 48.0	14.0 14.0 14.0
26 35 45 60	160BTB26 160BTB35 160BTB45 160BTB60	3535 4040 4040 4545	17.671 23.422 29.802 39.362	16.593 22.312 28.671 38.215	3 1/2 4 4 4 1/2	3 1/2 4 4 4 1/2	6 1/2 7 3/4 7 3/4 8 3/4	B,D C C C	68.0 118 186 292	14.0 14.0 22.0 30.0