T5-Series Timing Belts | McMaster-Carr

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AT5

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Trapezoidal

For Maximum Belt Width

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Reinforcement Material

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DFARS Specialty Metals

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201 Products

Timing Belts

Keep your drive system in sync. Trapezoidal teeth mesh with matching pulleys to transmit power without slipping. With the original tooth profile, these timing belts handle enough torque and synchronization for most applications. If you need high torque or precise starts and stops, consider curved tooth profiles, such as GT and HTD belts.

Abrasion-Resistant Urethane Rubber—Won’t break down or create dust while they run. Plus, they last longer than neoprene belts. Aramid or steel reinforcements provide very high strength and low stretch.

	Wd., mm	Outer Circle, mm	No. of Teeth	Pitch, mm	Reinforcement Material	Temp. Range, ° F	Belt Trade No.		Each
Abrasion-Resistant Urethane Rubber







				T5 Trade Size

				10	185	37	5	Steel	-13 to 176	10-T5-185	1679K441	00000


				10	200	40	5	Steel	-13 to 176	10-T5-200	1679K444	0000
				10	225	45	5	Steel	-13 to 176	10-T5-225	1679K447	0000
				10	245	49	5	Steel	-13 to 176	10-T5-245	1679K451	0000
				10	270	54	5	Steel	-13 to 176	10-T5-270	1679K454	0000
				10	280	56	5	Steel	-13 to 176	10-T5-280	1679K461	0000
				10	295	59	5	Steel	-13 to 176	10-T5-295	1679K464	0000
				10	340	68	5	Steel	-13 to 176	10-T5-340	1679K471	0000
				10	355	71	5	Steel	-13 to 176	10-T5-355	1679K474	0000
				10	365	73	5	Steel	-13 to 176	10-T5-365	1679K477	0000
				10	400	80	5	Steel	-13 to 176	10-T5-400	1679K484	0000


				10	410	82	5	Steel	-13 to 176	10-T5-410	1679K487	0000
				10	420	84	5	Steel	-13 to 176	10-T5-420	1679K491	0000
				10	480	96	5	Steel	-13 to 176	10-T5-480	1679K494	0000
				10	510	102	5	Steel	-13 to 176	10-T5-510	1679K497	0000
				10	525	105	5	Steel	-13 to 176	10-T5-525	1679K511	0000
				10	545	109	5	Steel	-13 to 176	10-T5-545	1679K514	0000
				10	575	115	5	Steel	-13 to 176	10-T5-575	1679K517	0000
				10	610	122	5	Steel	-13 to 176	10-T5-610	1679K544	0000
				10	630	126	5	Steel	-13 to 176	10-T5-630	1679K521	0000
				10	700	140	5	Steel	-13 to 176	10-T5-700	1679K524	00000


				10	750	150	5	Steel	-13 to 176	10-T5-750	1679K527	00000
				10	815	163	5	Steel	-13 to 176	10-T5-815	1679K531	00000
				10	940	188	5	Steel	-13 to 176	10-T5-940	1679K534	00000
				10	1,100	220	5	Steel	-13 to 176	10-T5-1100	1679K537	00000
				10	1,380	276	5	Steel	-13 to 176	10-T5-1380	1679K541	00000
				16	185	37	5	Steel	-13 to 176	16-T5-185	1679K442	00000
				16	200	40	5	Steel	-13 to 176	16-T5-200	1679K445	00000
				16	225	45	5	Steel	-13 to 176	16-T5-225	1679K448	00000
				16	245	49	5	Steel	-13 to 176	16-T5-245	1679K452	00000
				16	270	54	5	Steel	-13 to 176	16-T5-270	1679K455	00000


				16	280	56	5	Steel	-13 to 176	16-T5-280	1679K462	00000
				16	295	59	5	Steel	-13 to 176	16-T5-295	1679K465	00000
				16	340	68	5	Steel	-13 to 176	16-T5-340	1679K472	00000
				16	355	71	5	Steel	-13 to 176	16-T5-355	1679K475	00000
				16	365	73	5	Steel	-13 to 176	16-T5-365	1679K478	00000
				16	400	80	5	Steel	-13 to 176	16-T5-400	1679K485	00000
				16	410	82	5	Steel	-13 to 176	16-T5-410	1679K488	00000
				16	420	84	5	Steel	-13 to 176	16-T5-420	1679K492	00000
				16	480	96	5	Steel	-13 to 176	16-T5-480	1679K495	00000
				16	510	102	5	Steel	-13 to 176	16-T5-510	1679K498	00000


				16	525	105	5	Steel	-13 to 176	16-T5-525	1679K512	00000
				16	545	109	5	Steel	-13 to 176	16-T5-545	1679K515	00000
				16	575	115	5	Steel	-13 to 176	16-T5-575	1679K518	00000
				16	610	122	5	Steel	-13 to 176	16-T5-610	1679K545	00000
16				630	126	5	Steel	-13 to 176	16-T5-630	1679K522	00000
16	700			140	5	Steel	-13 to 176	16-T5-700	1679K525	00000
16	750			150	5	Steel	-13 to 176	16-T5-750	1679K528	00000
16	815			163	5	Steel	-13 to 176	16-T5-815	1679K532	00000
16	940			188	5	Steel	-13 to 176	16-T5-940	1679K535	00000
16	1,100	220		5	Steel	-13 to 176	16-T5-1100	1679K538	00000
16	1,380	276	5	Steel	-13 to 176	16-T5-1380	1679K542	00000
25	185	37	5	Steel	-13 to 176	25-T5-185	1679K443	00000
25	200	40	5	Steel	-13 to 176	25-T5-200	1679K446	00000
25	225	45	5	Steel	-13 to 176	25-T5-225	1679K449	00000
25	245	49	5	Steel	-13 to 176	25-T5-245	1679K453	00000
25	270	54	5	Steel	-13 to 176	25-T5-270	1679K456	00000
25	280	56	5	Steel	-13 to 176	25-T5-280	1679K463	00000
25	295	59	5	Steel	-13 to 176	25-T5-295	1679K466	00000
25	340	68	5	Steel	-13 to 176	25-T5-340	1679K473	00000
25	355	71	5	Steel	-13 to 176	25-T5-355	1679K476	00000
25	365	73	5	Steel	-13 to 176	25-T5-365	1679K479	00000
25	400	80	5	Steel	-13 to 176	25-T5-400	1679K486	00000
25	410	82	5	Steel	-13 to 176	25-T5-410	1679K489	00000
25	420	84	5	Steel	-13 to 176	25-T5-420	1679K493	00000
25	480	96	5	Steel	-13 to 176	25-T5-480	1679K496	00000
25	510	102	5	Steel	-13 to 176	25-T5-510	1679K499	00000
25	525	105	5	Steel	-13 to 176	25-T5-525	1679K513	00000
25	545	109	5	Steel	-13 to 176	25-T5-545	1679K516	00000
25	575	115	5	Steel	-13 to 176	25-T5-575	1679K519	00000
25	610	122	5	Steel	-13 to 176	25-T5-610	1679K546	00000
25	630	126	5	Steel	-13 to 176	25-T5-630	1679K523	00000
25	700	140	5	Steel	-13 to 176	25-T5-700	1679K526	00000
25	750	150	5	Steel	-13 to 176	25-T5-750	1679K529	00000
25	815	163	5	Steel	-13 to 176	25-T5-815	1679K533	00000
25	940	188	5	Steel	-13 to 176	25-T5-940	1679K536	00000
25	1,100	220	5	Steel	-13 to 176	25-T5-1100	1679K539	00000
25	1,380	276	5	Steel	-13 to 176	25-T5-1380	1679K543	00000



		AT5 Trade Size

		10	300	60	5	Steel	-20 to 175	10-AT5-300	5863N11	00000


		10	340	68	5	Steel	-20 to 175	10-AT5-340	5863N12	00000
		10	375	75	5	Steel	-20 to 175	10-AT5-375	5863N13	00000
		10	390	78	5	Steel	-20 to 175	10-AT5-390	5863N14	00000
		10	420	84	5	Steel	-20 to 175	10-AT5-420	5863N15	00000
		10	450	90	5	Steel	-20 to 175	10-AT5-450	5863N16	00000
		10	455	91	5	Steel	-20 to 175	10-AT5-455	5863N17	00000
		10	480	96	5	Steel	-20 to 175	10-AT5-480	5863N18	00000
		10	500	100	5	Steel	-20 to 175	10-AT5-500	5863N19	00000
		10	525	105	5	Steel	-20 to 175	10-AT5-525	5863N21	00000
		10	545	109	5	Steel	-20 to 175	10-AT5-545	5863N22	00000


		10	600	120	5	Steel	-20 to 175	10-AT5-600	5863N23	00000
		16	300	60	5	Steel	-20 to 175	16-AT5-300	5863N24	00000
		16	375	75	5	Steel	-20 to 175	16-AT5-375	5863N25	00000
		16	390	78	5	Steel	-20 to 175	16-AT5-390	5863N26	00000
		16	420	84	5	Steel	-20 to 175	16-AT5-420	5863N27	00000
		16	450	90	5	Steel	-20 to 175	16-AT5-450	5863N28	00000
		16	455	91	5	Steel	-20 to 175	16-AT5-455	5863N29	00000
		16	480	96	5	Steel	-20 to 175	16-AT5-480	5863N31	00000
		16	525	105	5	Steel	-20 to 175	16-AT5-525	5863N32	00000
		16	545	109	5	Steel	-20 to 175	16-AT5-545	5863N33	00000


		16	600	120	5	Steel	-20 to 175	16-AT5-600	5863N34	00000
		25	300	60	5	Steel	-20 to 175	25-AT5-300	5863N35	00000
		25	375	75	5	Steel	-20 to 175	25-AT5-375	5863N36	00000
		25	390	78	5	Steel	-20 to 175	25-AT5-390	5863N37	00000
		25	420	84	5	Steel	-20 to 175	25-AT5-420	5863N38	00000
		25	450	90	5	Steel	-20 to 175	25-AT5-450	5863N39	00000
		25	455	91	5	Steel	-20 to 175	25-AT5-455	5863N41	00000
		25	480	96	5	Steel	-20 to 175	25-AT5-480	5863N42	00000
		25	525	105	5	Steel	-20 to 175	25-AT5-525	5863N43	00000
		25	545	109	5	Steel	-20 to 175	25-AT5-545	5863N44	00000


		25	600	120	5	Steel	-20 to 175	25-AT5-600	5863N45	00000

Timing Belt Pulleys


Plain Bore

Keep your drive system in sync. Trapezoidal teeth mesh with matching belts to synchronize motion. With the original tooth profile, these pulleys handle enough torque for most applications. If you need high torque or precise starts and stops, consider curved tooth profiles, such as GT and HTD pulleys.

Corrosion-Resistant Aluminum—Won't rust in wet environments and one-third the weight of steel and iron. However, aluminum pulleys are not as strong as iron and steel.

Plain Bore—Do it your way—machine the bore to your exact shaft size or add a set screw or keyway.

	For Max. Belt Wd., mm	Pitch, mm	No. of Teeth	Bore Type	For Shaft Dia., mm	Pitch Dia., mm	No. of Flanges	Hub Type		Each
For T5 Trade Size







				Corrosion-Resistant Aluminum

				10	5	10	Plain	—	16.1	2	Standard	1428N2	000000


				10	5	12	Plain	—	19.3	2	Standard	1428N21	00000
				10	5	14	Plain	—	22.5	2	Standard	1428N22	00000
				10	5	15	Plain	—	24.1	2	Standard	1428N23	00000
				10	5	16	Plain	—	25.6	2	Standard	1428N24	00000
				10	5	18	Plain	—	28.8	2	Standard	1428N25	00000
				10	5	19	Plain	—	30.4	2	Standard	1428N26	00000
				10	5	20	Plain	—	32	2	Standard	1428N27	00000
				10	5	22	Plain	—	35.3	2	Standard	1428N28	00000
				10	5	24	Plain	—	38.4	2	Standard	1428N29	00000
				10	5	25	Plain	—	40	2	Standard	1428N3	00000


				10	5	26	Plain	—	41.6	2	Standard	1428N31	00000
				10	5	27	Plain	—	43.2	2	Standard	1428N32	00000
				10	5	30	Plain	—	47.8	2	Standard	1428N33	00000
				10	5	32	Plain	—	50.9	2	Standard	1428N34	00000
				10	5	36	Plain	—	57.3	2	Standard	1428N35	00000
				10	5	40	Plain	—	63.7	2	Standard	1428N36	00000
				10	5	48	Plain	—	76.4	—	Standard	1428N37	00000
				10	5	60	Plain	—	95.5	—	Standard	1428N38	00000
				16	5	10	Plain	—	16.1	2	Standard	1428N4	00000
				16	5	12	Plain	—	19.3	2	Standard	1428N41	00000


				16	5	14	Plain	—	22.5	2	Standard	1428N42	00000
				16	5	15	Plain	—	24.1	2	Standard	1428N43	00000
				16	5	16	Plain	—	25.6	2	Standard	1428N44	00000
				16	5	18	Plain	—	28.8	2	Standard	1428N45	00000
				16	5	19	Plain	—	30.4	2	Standard	1428N46	00000
				16	5	20	Plain	—	32	2	Standard	1428N47	00000
				16	5	22	Plain	—	35.3	2	Standard	1428N48	00000
				16	5	24	Plain	—	38.4	2	Standard	1428N49	00000
				16	5	25	Plain	—	40	2	Standard	1428N5	00000
				16	5	26	Plain	—	41.6	2	Standard	1428N51	00000


				16	5	27	Plain	—	43.2	2	Standard	1428N52	00000
				16	5	30	Plain	—	48	2	Standard	1428N53	00000
				16	5	32	Plain	—	51.1	2	Standard	1428N54	00000
				16	5	36	Plain	—	57.5	2	Standard	1428N55	00000
				16	5	40	Plain	—	63.9	2	Standard	1428N56	00000
				16	5	48	Plain	—	76.6	—	Standard	1428N57	00000
				16	5	60	Plain	—	95.7	—	Standard	1428N58	00000
				25	5	10	Plain	—	16.1	2	Standard	1428N6	00000
				25	5	14	Plain	—	22.5	2	Standard	1428N62	00000
				25	5	15	Plain	—	24.1	2	Standard	1428N63	00000


				25	5	16	Plain	—	25.6	2	Standard	1428N64	00000
				25	5	18	Plain	—	28.8	2	Standard	1428N65	00000
				25	5	20	Plain	—	32	2	Standard	1428N67	00000
				25	5	22	Plain	—	35.3	2	Standard	1428N68	00000
25				5	24	Plain	—	38.4	2	Standard	1428N69	00000
25	5			25	Plain	—	40	2	Standard	1428N7	00000
25	5			26	Plain	—	41.6	2	Standard	1428N71	00000
25	5			27	Plain	—	43.2	2	Standard	1428N72	00000
25	5			30	Plain	—	48	2	Standard	1428N73	00000
25	5	32		Plain	—	51.1	2	Standard	1428N74	00000
25	5	36	Plain	—	57.5	2	Standard	1428N75	00000
25	5	40	Plain	—	63.9	2	Standard	1428N76	00000
25	5	48	Plain	—	76.6	—	Standard	1428N77	00000
25	5	60	Plain	—	95.7	—	Standard	1428N78	00000

For AT5 Trade Size







				Corrosion-Resistant Aluminum

				10	5	12	Plain	—	19.3	2	Standard	3709N11	00000


				10	5	15	Plain	—	24.1	2	Standard	3709N13	00000
				10	5	20	Plain	—	32	2	Standard	3709N17	00000
				10	5	22	Plain	—	35.3	2	Standard	3709N18	00000
				10	5	24	Plain	—	38.4	2	Standard	3709N19	00000
				10	5	27	Plain	—	43.2	2	Standard	3709N23	00000
				10	5	30	Plain	8	48	2	Standard	3709N25	00000
				10	5	42	Plain	8	67	2	Standard	3709N29	00000
				10	5	60	Plain	8	95.7	—	Standard	3709N33	00000
				16	5	12	Plain	—	19.3	2	Standard	3709N34	00000
				16	5	18	Plain	—	28.8	2	Standard	3709N38	00000


				16	5	20	Plain	—	32	2	Standard	3709N41	00000
				16	5	22	Plain	—	35.3	2	Standard	3709N42	00000
				16	5	24	Plain	—	38.4	2	Standard	3709N43	00000
				16	5	25	Plain	—	40	2	Standard	3709N44	00000
				16	5	26	Plain	—	41.6	2	Standard	3709N45	00000
				16	5	27	Plain	8	43.2	2	Standard	3709N46	00000
				16	5	28	Plain	8	44.8	2	Standard	3709N47	00000
				16	5	30	Plain	8	48	2	Standard	3709N48	00000
				16	5	32	Plain	8	51.1	2	Standard	3709N49	00000
				16	5	36	Plain	8	57.5	2	Standard	3709N51	00000


				16	5	40	Plain	8	63.9	2	Standard	3709N52	00000
				16	5	42	Plain	8	67	2	Standard	3709N53	00000
				16	5	44	Plain	8	70.2	—	Standard	3709N54	00000
				16	5	60	Plain	8	95.7	—	Standard	3709N56	000000
				25	5	16	Plain	—	25.6	2	Standard	3709N61	00000
				25	5	20	Plain	—	32	2	Standard	3709N64	00000
				25	5	22	Plain	—	35.3	2	Standard	3709N65	00000
				25	5	24	Plain	—	38.4	2	Standard	3709N66	00000
				25	5	25	Plain	—	40	2	Standard	3709N67	00000
				25	5	26	Plain	—	41.6	2	Standard	3709N68	00000


				25	5	27	Plain	8	43.2	2	Standard	3709N69	00000
				25	5	30	Plain	8	48	2	Standard	3709N72	00000
				25	5	32	Plain	8	51.1	2	Standard	3709N73	00000
				25	5	40	Plain	8	63.9	2	Standard	3709N75	00000
				25	5	48	Plain	8	76.6	—	Standard	3709N78	000000