GT Timing Pulleys

Designed to be used with GT belts, round tooth

Specifications

No. Teeth	Tooth Height	Pitch Dia.	Outside Diameter	Root Diameter
10	0.0295	0.251	0.232	0.172
11	0.0295	0.276	0.257	0.197
12	0.0295	0.301	0.282	0.222
13	0.0295	0.326	0.307	0.247
14	0.0295	0.351	0.332	0.272
15	0.0295	0.376	0.357	0.297
16	0.0295	0.401	0.382	0.322
17	0.0295	0.426	0.407	0.347
18	0.0295	0.451	0.432	0.372
19	0.0295	0.476	0.457	0.397
20	0.0295	0.501	0.482	0.422
21	0.0295	0.526	0.507	0.447
22	0.0295	0.551	0.532	0.472
23	0.0295	0.576	0.557	0.497
24	0.0295	0.602	0.583	0.523
25	0.0295	0.627	0.608	0.548
26	0.0295	0.652	0.633	0.573
27	0.0295	0.677	0.658	0.598
28	0.0295	0.702	0.683	0.623
29	0.0295	0.727	0.708	0.648
30	0.0295	0.752	0.733	0.673
31	0.0295	0.777	0.758	0.698
32	0.0295	0.802	0.783	0.723
33	0.0295	0.827	0.808	0.748
34	0.0295	0.852	0.833	0.773
35	0.0295	0.877	0.858	0.798
36	0.0300	0.902	0.883	0.822
37	0.0300	0.927	0.908	0.847
38	0.0300	0.952	0.933	0.872
39	0.0300	0.977	0.958	0.897
40	0.0300	1.003	0.984	0.923
41	0.0300	1.028	1.010	0.948
42	0.0300	1.053	1.035	0.973
43	0.0300	1.078	1.060	0.998
44	0.0300	1.103	1.085	1.023
45	0.0300	1.128	1.110	1.048
46	0.0300	1.153	1.135	1.073
47	0.0300	1.178	1.160	1.098
48	0.0300	1.203	1.185	1.123
49	0.0300	1.228	1.210	1.148
50	0.0300	1.253	1.235	1.173
51	0.0300	1.278	1.260	1.198
52	0.0300	1.303	1.285	1.223
53	0.0300	1.328	1.310	1.248
54	0.0300	1.353	1.335	1.273
55	0.0300	1.379	1.361	1.299
56	0.0300	1.404	1.386	1.324
57	0.0300	1.429	1.411	1.349
58	0.0300	1.454	1.436	1.374
59	0.0300	1.479	1.461	1.399
60	0.0300	1.504	1.486	1.424
61	0.0300	1.529	1.511	1.449
62	0.0300	1.554	1.536	1.474
63	0.0300	1.579	1.561	1.499
64	0.0300	1.604	1.586	1.524
65	0.0300	1.629	1.611	1.549
66	0.0300	1.654	1.636	1.574
67	0.0300	1.679	1.661	1.599
68	0.0300	1.704	1.686	1.624
69	0.0300	1.729	1.711	1.649
70	0.0300	1.754	1.736	1.674
71	0.0300	1.780	1.762	1.700
72	0.0300	1.805	1.787	1.725
73	0.0300	1.830	1.812	1.750
74	0.0300	1.855	1.837	1.775
75	0.0300	1.880	1.862	1.800
76	0.0300	1.905	1.887	1.825
77	0.0300	1.930	1.912	1.850
78	0.0300	1.955	1.937	1.875
79	0.0300	1.980	1.962	1.900
80	0.0300	2.005	1.987	1.925
81	0.0300	2.030	2.012	1.950
82	0.0300	2.055	2.037	1.975
83	0.0300	2.080	2.062	2.000
84	0.0300	2.105	2.087	2.025
85	0.0300	2.130	2.112	2.050
86	0.0300	2.155	2.137	2.075
87	0.0300	2.181	2.163	2.101
88	0.0300	2.206	2.188	2.126
89	0.0300	2.231	2.213	2.151
90	0.0300	2.256	2.238	2.176
91	0.0300	2.281	2.263	2.201

Specifications

No. Teeth	Tooth Height	Pitch Dia.	Outside Diameter	Root Diameter
10	0.044	0.376	0.347	0.258
11	0.044	0.414	0.385	0.296
12	0.044	0.451	0.422	0.333
13	0.044	0.489	0.460	0.371
14	0.044	0.526	0.497	0.408
15	0.045	0.564	0.535	0.444
16	0.045	0.602	0.573	0.482
17	0.045	0.639	0.610	0.519
18	0.045	0.677	0.648	0.557
19	0.045	0.714	0.685	0.594
20	0.045	0.752	0.723	0.632
21	0.045	0.790	0.761	0.670
22	0.045	0.827	0.798	0.707
23	0.045	0.865	0.836	0.745
24	0.045	0.902	0.873	0.782
25	0.045	0.940	0.911	0.820
26	0.045	0.977	0.948	0.857
27	0.045	1.015	0.986	0.895
28	0.046	1.053	1.0245	0.931
29	0.046	1.090	1.0615	0.968
30	0.046	1.128	1.0995	1.006
31	0.046	1.165	1.1365	1.043
32	0.046	1.203	1.1745	1.081
33	0.046	1.241	1.2125	1.119
34	0.046	1.278	1.2495	1.156
35	0.046	1.316	1.2875	1.194
36	0.046	1.353	1.3245	1.231
37	0.046	1.391	1.3625	1.269
38	0.046	1.429	1.4005	1.307
39	0.046	1.466	1.4375	1.344
40	0.046	1.504	1.4755	1.382
41	0.046	1.541	1.5125	1.419
42	0.046	1.579	1.5505	1.457
43	0.046	1.617	1.5885	1.495
44	0.046	1.654	1.6255	1.532
45	0.046	1.692	1.6635	1.570
46	0.046	1.729	1.7005	1.607
47	0.046	1.767	1.7385	1.645
48	0.046	1.805	1.7765	1.683
49	0.046	1.842	1.8135	1.720
50	0.046	1.880	1.8515	1.761
51	0.046	1.917	1.889	1.795
52	0.046	1.955	1.927	1.833
53	0.046	1.993	1.965	1.871
54	0.046	2.030	2.002	1.908
55	0.046	2.068	2.040	1.946
56	0.046	2.105	2.077	1.983
57	0.047	2.143	2.115	2.019
58	0.047	2.181	2.153	2.057
59	0.047	2.218	2.190	2.094
60	0.047	2.256	2.228	2.132
61	0.047	2.293	2.265	2.169
62	0.047	2.331	2.303	2.207
63	0.047	2.369	2.341	2.245
64	0.047	2.406	2.378	2.282
65	0.047	2.444	2.416	2.320
66	0.047	2.481	2.453	2.357
67	0.047	2.519	2.491	2.395
68	0.047	2.557	2.529	2.433
69	0.047	2.594	2.566	2.470
70	0.047	2.632	2.604	2.508
71	0.047	2.669	2.641	2.545
72	0.047	2.707	2.679	2.583
73	0.047	2.744	2.716	2.620
74	0.047	2.782	2.754	2.658
75	0.047	2.820	2.792	2.696
76	0.047	2.857	2.829	2.733
77	0.047	2.895	2.867	2.771
78	0.047	2.932	2.904	2.808
79	0.047	2.970	2.942	2.846
80	0.047	3.008	2.980	2.884
81	0.047	3.045	3.017	2.921
82	0.047	3.083	3.055	2.959
83	0.047	3.120	3.092	2.996
84	0.047	3.158	3.130	3.034
85	0.047	3.196	3.168	3.072
86	0.047	3.233	3.205	3.109
87	0.047	3.271	3.243	3.147
88	0.047	3.308	3.280	3.184
89	0.047	3.346	3.318	3.222
90	0.047	3.384	3.356	3.260
91	0.047	3.421	3.393	3.297

Specifications

No. Teeth	Tooth Height	Pitch Dia.	Outside Diameter	Root Diameter
12	0.077	0.752	0.708	0.553
13	0.077	0.815	0.771	0.616
14	0.077	0.877	0.833	0.678
15	0.077	0.940	0.896	0.741
16	0.077	1.003	0.959	0.804
17	0.077	1.065	1.022	0.866
18	0.077	1.128	1.085	0.929
19	0.077	1.191	1.148	0.992
20	0.077	1.253	1.210	1.054
21	0.077	1.316	1.273	1.117
22	0.077	1.379	1.336	1.180
23	0.077	1.441	1.398	1.242
24	0.077	1.504	1.461	1.305
25	0.077	1.566	1.523	1.367
26	0.077	1.629	1.586	1.430
27	0.077	1.692	1.649	1.493
28	0.077	1.754	1.711	1.555
29	0.077	1.817	1.774	1.618
30	0.077	1.880	1.837	1.681
31	0.077	1.942	1.899	1.743
32	0.077	2.005	1.962	1.806
33	0.077	2.068	2.025	1.869
34	0.077	2.130	2.087	1.931
35	0.077	2.193	2.150	1.994
36	0.077	2.256	2.213	2.057
37	0.077	2.318	2.275	2.119
38	0.077	2.381	2.338	2.182
39	0.077	2.444	2.401	2.245
40	0.077	2.506	2.463	2.307
41	0.077	2.569	2.526	2.370
42	0.077	2.632	2.589	2.433
43	0.077	2.694	2.651	2.495
44	0.077	2.757	2.714	2.558
45	0.077	2.820	2.777	2.621
46	0.077	2.882	2.839	2.683
47	0.077	2.945	2.902	2.746
48	0.077	3.008	2.965	2.809
49	0.077	3.070	3.027	2.871
50	0.077	3.133	3.090	2.938
51	0.077	3.196	3.153	2.997
52	0.077	3.258	3.215	3.059
53	0.077	3.321	3.278	3.122
54	0.077	3.384	3.341	3.185
55	0.077	3.446	3.403	3.247
56	0.077	3.509	3.466	3.310
57	0.077	3.572	3.529	3.373
58	0.077	3.634	3.591	3.435
59	0.077	3.697	3.654	3.498
60	0.077	3.760	3.717	3.561
61	0.077	3.822	3.779	3.623
62	0.077	3.885	3.842	3.686
63	0.077	3.948	3.905	3.749
64	0.077	4.010	3.967	3.811
65	0.077	4.073	4.031	3.874
66	0.077	4.136	4.094	3.937
67	0.077	4.198	4.156	3.999
68	0.077	4.261	4.219	4.062
69	0.077	4.324	4.282	4.125
70	0.077	4.386	4.344	4.187
71	0.077	4.449	4.407	4.250
72	0.077	4.511	4.469	4.312
73	0.077	4.574	4.532	4.375
74	0.077	4.637	4.595	4.438
75	0.077	4.699	4.657	4.500
76	0.077	7.762	4.720	4.563
77	0.077	4.825	4.783	4.626
78	0.077	4.887	4.845	4.688
79	0.077	4.950	4.908	4.751
80	0.077	5.013	4.971	4.814
81	0.077	5.075	5.033	4.876
82	0.077	5.138	5.096	4.939
83	0.077	5.201	5.159	5.002
84	0.077	5.263	5.221	5.064
85	0.077	5.326	5.284	5.127
86	0.077	5.389	5.347	5.190
87	0.077	5.451	5.409	5.252
88	0.077	5.514	5.472	5.315
89	0.077	5.577	5.535	5.378
90	0.077	5.639	5.597	5.440
91	0.077	5.702	5.660	5.503

Specifications

No. Teeth	Tooth Height	Pitch Dia.	Outside Diameter	Root Diameter
22	0.138	2.206	2.145	1.867
23	0.138	2.306	2.245	1.967
24	0.138	2.406	2.345	2.067
25	0.138	2.506	2.445	2.167
26	0.138	2.607	2.546	2.268
27	0.138	2.707	2.646	2.368
28	0.138	2.807	2.746	2.468
29	0.138	2.907	2.846	2.568
30	0.138	3.008	2.947	2.669
31	0.138	3.108	3.047	2.769
32	0.138	3.208	3.147	2.869
33	0.138	3.308	3.247	2.969
34	0.138	3.409	3.348	3.070
35	0.138	3.509	3.448	3.170
36	0.138	3.609	3.548	3.270
37	0.138	3.709	3.648	3.370
38	0.138	3.810	3.749	3.471
39	0.138	3.910	3.849	3.571
40	0.138	4.010	3.950	3.671
41	0.138	4.110	4.050	3.771
42	0.138	4.211	4.151	3.872
43	0.138	4.311	4.251	3.972
44	0.138	4.411	4.351	4.072
45	0.138	4.511	4.451	4.172
46	0.138	4.612	4.552	4.273
47	0.138	4.712	4.652	4.373
48	0.138	4.812	4.752	4.473
49	0.138	4.912	4.852	4.573
50	0.138	5.013	4.953	4.679
51	0.138	5.113	5.053	4.774
52	0.138	5.213	5.153	4.874
53	0.138	5.314	5.254	4.975
54	0.138	5.414	5.354	5.075
55	0.138	5.514	5.454	5.175
56	0.138	5.614	5.554	5.275
57	0.138	5.715	5.655	5.376
58	0.138	5.815	5.755	5.476
59	0.138	5.915	5.855	5.576
60	0.138	6.015	5.955	5.676