AT5 Chain and Belt Pulleys

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System of Measurement

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For Maximum Belt Width

10 mm

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Number of Teeth

Pitch

Belt Trade Size

Shaft Diameter

Inside Width

Hub Diameter

Material

Tooth Profile

Bore Type

Pitch Diameter

Width

Hub Type

Overall Width

Outside Width

Number of Flanges

Pulley Type

Performance

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

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

REACH

36 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 AT5 Trade Size







	Corrosion-Resistant Aluminum

	10	5	12	Plain	—	19.3	2	Standard	3709N11	000000


	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