AT10 Chain and Belt Pulleys

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For Maximum Belt Width

16 mm

25 mm

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Shaft Diameter

Belt Trade Size

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Width

Hub Diameter

Inside Width

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Material

Tooth Profile

Outside Width

Pitch Diameter

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Overall Width

Pulley Type

Number of Flanges

Performance

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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39 Products

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.

	Bore Type	For Shaft Dia., mm	Pitch Dia., mm	No. of Flanges	Hub Type		Each
For AT10 Trade Size







	Corrosion-Resistant Aluminum

	16	10	18	Plain	10	57.3	2	Standard	3709N801	000000


	16	10	20	Plain	12	63.7	2	Standard	3709N802	00000
	16	10	22	Plain	12	70	2	Standard	3709N803	00000
	16	10	24	Plain	12	76.4	2	Standard	3709N804	00000
	16	10	25	Plain	12	79.6	2	Standard	3709N805	00000
	16	10	27	Plain	12	86	2	Standard	3709N806	00000
	16	10	30	Plain	12	95.5	2	Standard	3709N807	00000
	16	10	32	Plain	12	101.9	2	Standard	3709N808	00000
	16	10	36	Plain	16	114.6	2	Standard	3709N809	00000
	16	10	40	Plain	16	127.3	2	Standard	3709N811	000000
	16	10	44	Plain	16	140.1	2	Standard	3709N812	000000


	16	10	48	Plain	16	152.8	—	Standard	3709N813	000000
	16	10	60	Plain	16	191	—	Standard	3709N814	000000
	25	10	18	Plain	10	57.3	2	Standard	1326N51	00000
	25	10	20	Plain	12	63.7	2	Standard	1326N52	00000
	25	10	22	Plain	12	70	2	Standard	1326N53	00000
	25	10	24	Plain	12	76.4	2	Standard	1326N54	00000
	25	10	25	Plain	12	79.6	2	Standard	1326N55	00000
	25	10	27	Plain	12	86	2	Standard	1326N56	00000
	25	10	30	Plain	12	95.5	2	Standard	1326N57	00000
	25	10	32	Plain	12	101.9	2	Standard	1326N58	00000


	25	10	36	Plain	16	114.6	2	Standard	1326N59	000000
	25	10	40	Plain	16	127.3	2	Standard	1326N61	000000
	25	10	44	Plain	16	140.1	2	Standard	1326N62	000000
	25	10	48	Plain	16	152.8	—	Standard	1326N63	000000
	25	10	60	Plain	16	191	—	Standard	1326N64	000000
	50	10	18	Plain	10	57.3	2	Standard	3709N815	00000
	50	10	20	Plain	12	63.7	2	Standard	3709N816	00000
	50	10	22	Plain	12	70	2	Standard	3709N817	00000
	50	10	24	Plain	12	76.4	2	Standard	3709N818	000000
	50	10	25	Plain	12	79.6	2	Standard	3709N819	000000


	50	10	27	Plain	12	86	2	Standard	3709N821	000000
	50	10	30	Plain	12	95.5	2	Standard	3709N822	000000
	50	10	32	Plain	12	101.9	2	Standard	3709N823	000000
	50	10	36	Plain	16	114.6	2	Standard	3709N824	000000
	50	10	40	Plain	16	127.3	2	Standard	3709N825	000000
	50	10	44	Plain	16	140.1	2	Standard	3709N826	000000
	50	10	48	Plain	16	152.8	—	Standard	3709N827	000000
	50	10	60	Plain	16	191	—	Standard	3709N828	000000