40DP-LT Timing Pulleys

Straight-Sided Spline A common pulley used primarily for lighter-duty applications, trapezoidal teeth

Specifications

No. Teeth	Pitch Dia.	O.D.	Root Diameter
10	0.260	0.245	0.198
11	0.286	0.271	0.224
12	0.312	0.297	0.250
13	0.338	0.323	0.276
14	0.364	0.349	0.302
15	0.390	0.375	0.328
16	0.416	0.401	0.354
17	0.442	0.427	0.380
18	0.468	0.453	0.406
19	0.494	0.479	0.432
20	0.520	0.505	0.458
21	0.546	0.531	0.484
22	0.572	0.557	0.510
23	0.598	0.583	0.536
24	0.625	0.609	0.562
25	0.650	0.635	0.588
26	0.676	0.661	0.614
27	0.702	0.687	0.640
28	0.728	0.713	0.666
29	0.754	0.739	0.692
30	0.780	0.765	0.718
31	0.806	0.791	0.744
32	0.832	0.817	0.770
33	0.858	0.843	0.796
34	0.884	0.869	0.822
35	0.910	0.895	0.848
36	0.936	0.921	0.874
37	0.962	0.947	0.900
38	0.988	0.973	0.926
39	1.014	0.999	0.952
40	1.040	1.025	0.977
42	1.092	1.077	1.029
44	1.144	1.129	1.081
45	1.170	1.154	1.106
48	1.248	1.233	1.185
50	1.300	1.285	1.237
51	1.326	1.311	1.263
52	1.352	1.337	1.289
54	1.404	1.389	1.341
55	1.430	1.415	1.367
56	1.456	1.446	1.398
57	1.482	1.467	1.419
60	1.560	1.545	1.497
64	1.664	1.649	1.601
65	1.690	1.675	1.627
66	1.716	1.701	1.653
70	1.820	1.805	1.757
72	1.872	1.857	1.809
75	1.950	1.935	1.887
80	2.080	2.065	2.017
82	2.132	2.117	2.069
84	2.184	2.169	2.121