10 mm Gears | McMaster-Carr

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59 Products

AT Series Timing Belt Pulleys

Made of aluminum, these pulleys have good corrosion resistance. The teeth match up with the grooves along the inside diameter of a timing belt in order to move components forward or backward. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width. Choose pulleys that have a diameter to match your shaft.

For technical drawings and 3-D models, click on a part number.

Press-Fit Mount

With Two Flanges

Without Flanges

With Two Flanges

Without Flanges

For 16 mm Max. Belt Wd.
OD, mm	Number of Teeth	Pitch, mm	For Shaft Dia., mm	Bore Type	Inside Wd., mm	Outside Wd., mm	Overall Wd., mm	Pitch Dia., mm	Number of Flanges	Fabrication	Material	Hub Dia., mm		Each
60	18	10	10	Plain	18	22	31	57.3	2	Machined	Aluminum	40	00000000	000000
66	20	10	12	Plain	18	22	31	63.7	2	Machined	Aluminum	46	00000000	00000
75	22	10	12	Plain	18	22	31	70	2	Machined	Aluminum	50	00000000	00000
83	24	10	12	Plain	18	22	31	76.4	2	Machined	Aluminum	58	00000000	00000
83	25	10	12	Plain	18	22	31	79.6	2	Machined	Aluminum	60	00000000	00000
91	27	10	12	Plain	18	22	31	86	2	Machined	Aluminum	60	00000000	00000
97	30	10	12	Plain	18	22	31	95.5	2	Machined	Aluminum	60	00000000	00000
106	32	10	12	Plain	18	22	31	101.9	2	Machined	Aluminum	65	00000000	000000
119	36	10	16	Plain	18	22	31	114.6	2	Machined	Aluminum	70	00000000	000000
131	40	10	16	Plain	18	22	31	127.3	2	Machined	Aluminum	80	00000000	000000
138.2	44	10	16	Plain	18	22	31	140.1	2	Machined	Aluminum	90	00000000	000000
151	48	10	16	Plain	__	22	31	152.8	__	Machined	Aluminum	95	00000000	000000
189.1	60	10	16	Plain	__	22	31	191	__	Machined	Aluminum	110	00000000	000000
For 25 mm Max. Belt Wd.
60.3	18	10	10	Plain	28	32	42	57.29	2	Machined	Aluminum	40	0000000	00000
66.7	20	10	12	Plain	28	32	42	63.65	2	Machined	Aluminum	46	0000000	00000
75	22	10	12	Plain	28	32	42	70.03	2	Machined	Aluminum	50	0000000	00000
83	24	10	12	Plain	28	32	42	76.39	2	Machined	Aluminum	58	0000000	00000
83	25	10	12	Plain	28	32	42	79.58	2	Machined	Aluminum	60	0000000	00000
90.6	27	10	12	Plain	28	32	42	85.95	2	Machined	Aluminum	60	0000000	00000
97	30	10	12	Plain	28	32	42	95.49	2	Machined	Aluminum	60	0000000	00000
106	32	10	12	Plain	28	32	42	101.86	2	Machined	Aluminum	65	0000000	00000
118.26	36	10	16	Plain	28	32	42	114.59	2	Machined	Aluminum	70	0000000	00000
131	40	10	16	Plain	28	32	42	127.32	2	Machined	Aluminum	80	0000000	000000
144	44	10	16	Plain	28	32	42	140.05	2	Machined	Aluminum	90	0000000	000000
150.95	48	10	16	Plain	__	32	42	152.78	__	Machined	Aluminum	95	0000000	000000
189.1	60	10	16	Plain	__	32	42	190.98	__	Machined	Aluminum	110	0000000	000000
For 50 mm Max. Belt Wd.
60	18	10	10	Plain	53	57	66	57.3	2	Machined	Aluminum	40	00000000	00000
66	20	10	12	Plain	53	57	66	63.7	2	Machined	Aluminum	46	00000000	000000
75	22	10	12	Plain	53	57	66	70	2	Machined	Aluminum	50	00000000	000000
83	24	10	12	Plain	53	57	66	76.4	2	Machined	Aluminum	58	00000000	000000
83	25	10	12	Plain	53	57	66	79.6	2	Machined	Aluminum	60	00000000	000000
91	27	10	12	Plain	53	57	66	86	2	Machined	Aluminum	60	00000000	000000
97	30	10	12	Plain	53	57	66	95.5	2	Machined	Aluminum	60	00000000	000000
106	32	10	12	Plain	53	57	66	101.9	2	Machined	Aluminum	65	00000000	000000
119	36	10	16	Plain	53	57	66	114.6	2	Machined	Aluminum	70	00000000	000000
131	40	10	16	Plain	53	57	66	127.3	2	Machined	Aluminum	80	00000000	000000
138.2	44	10	16	Plain	53	57	66	140.1	2	Machined	Aluminum	90	00000000	000000
151	48	10	16	Plain	__	57	66	152.8	__	Machined	Aluminum	95	00000000	000000
189.1	60	10	16	Plain	__	57	66	191	__	Machined	Aluminum	110	00000000	000000

T Series Timing Belt Pulleys

Made of aluminum, these pulleys have good corrosion resistance. The teeth match up with the grooves along the inside diameter of a timing belt in order to move components forward or backward. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width. Pulleys without a shaft diameter have a pilot bore, so you can customize them to your needs.

For technical drawings and 3-D models, click on a part number.

Press-Fit Mount

With Two Flanges

Without Flanges

With Two Flanges

Without Flanges

For 16 mm Max. Belt Wd.
OD, mm	Number of Teeth	Pitch, mm	Bore Type	Inside Wd., mm	Outside Wd., mm	Overall Wd., mm	Pitch Dia., mm	Number of Flanges	Fabrication	Material	Hub Dia., mm		Each
42	12	10	Plain	16	21	31	38.35	2	Machined	Aluminum	28	0000000	000000
48	14	10	Plain	16	21	31	44.7	2	Machined	Aluminum	32	0000000	00000
For 25 mm Max. Belt Wd.
42	12	10	Plain	25	30	40	38.35	2	Machined	Aluminum	28	0000000	00000
51	15	10	Plain	25	30	40	47.9	2	Machined	Aluminum	32	0000000	00000
60	18	10	Plain	25	30	40	57.45	2	Machined	Aluminum	40	0000000	00000
66	19	10	Plain	25	30	40	60.6	2	Machined	Aluminum	44	0000000	00000
66	20	10	Plain	25	30	40	63.8	2	Machined	Aluminum	46	0000000	00000
75	22	10	Plain	25	30	40	70.15	2	Machined	Aluminum	52	0000000	00000
83	24	10	Plain	25	30	40	76.55	2	Machined	Aluminum	58	0000000	00000
93	28	10	Plain	25	30	40	89.25	2	Machined	Aluminum	60	0000000	00000
97	30	10	Plain	25	30	40	96.65	2	Machined	Aluminum	60	0000000	000000
120	36	10	Plain	25	30	40	114.75	2	Machined	Aluminum	70	0000000	000000
For 50 mm Max. Belt Wd.
60	18	10	Plain	50	56	66	57.45	2	Machined	Aluminum	40	0000000	00000
66	19	10	Plain	50	56	66	60.65	2	Machined	Aluminum	44	0000000	00000
83	24	10	Plain	50	56	66	76.55	2	Machined	Aluminum	58	0000000	000000
87	26	10	Plain	50	56	66	82.9	2	Machined	Aluminum	60	0000000	000000
97	30	10	Plain	50	56	66	95.65	2	Machined	Aluminum	60	0000000	000000
106	32	10	Plain	50	56	66	102	2	Machined	Aluminum	65	0000000	000000
120	36	10	Plain	50	56	66	114.75	2	Machined	Aluminum	70	0000000	000000
150.95	48	10	Plain	__	56	66	152.95	__	Machined	Aluminum	95	0000000	000000