Iron Timing-Belt Pulleys

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	Material Material	Show

Iron

	Material Material	Hide

	System of Measurement System of Measurement

Inch

Metric

	For Maximum Belt Width For Maximum Belt Width

	For Belt Trade Size For Belt Trade Size

GT2

GT3

	Number of Teeth Number of Teeth

18
20
22
24
25
26
28
29
30
31
32
33
34
35
36
37
38
39
40
42
44
46
48
50
52
56
60
64
68
72
80
90
112
120
144
168
192

	Mount Type Mount Type


Press Fit	Bushing

	OD OD

	ID ID

	Pitch Pitch

	Teeth Shape Teeth Shape

	Trapezoidal
	Curved
	Tire Track

	Pitch Diameter Pitch Diameter

	For Bushing Style For Bushing Style

Quick Disconnect Style E

Quick Disconnect Style H

Quick Disconnect Style SD

Quick Disconnect Style SDS

Quick Disconnect Style SF

Quick Disconnect Style SH

Quick Disconnect Style SK

Taper-Lock Style 2012

Taper-Lock Style 2517

Taper-Lock Style 3020

	Bore Type Bore Type


Finished	Plain

	Fabrication Fabrication

Machined

Cast

	Outside Width Outside Width

	Finish Finish

Zinc Plated

Black Oxide

Manganese Phosphate

	Overall Width Overall Width

	Number of Flanges Number of Flanges

	Inside Width Inside Width

	For Shaft Diameter For Shaft Diameter

1/2"

	For Maximum Shaft Diameter For Maximum Shaft Diameter

7/8"

1 3/8"

	Hub Diameter Hub Diameter

38.7 mm

53.5 mm

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65 Products

L Series Quick-Disconnect Timing Belt Pulleys

Carry heavy loads without slippage—pulleys mount with quick-disconnect (QD) bushings (sold separately) for a more secure grip on the shaft than set screws. Bushing is not included. Pulleys are L series (light) and have trapezoidal teeth. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width.

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

Bushing Mount

Without Flanges

For 1/2" Max. Belt Wd.
OD	Number of Teeth	Pitch	ID	Bore Type	For Bushing Style	Outside Wd.	Overall Wd.	Pitch Dia.	Fabrication	Material		Each
7.13"	60	0.375"	2.187"	Finished	Quick Disconnect Style SD	0.75"	1.25"	7.162"	Cast	Iron	00000000	0000000
For 3/4" Max. Belt Wd.
7.13"	60	0.375"	2.187"	Finished	Quick Disconnect Style SD	1"	1.25"	7.162"	Cast	Iron	00000000	000000
For 1" Max. Belt Wd.
7.13"	60	0.375"	2.187"	Finished	Quick Disconnect Style SD	1.25"	1.25"	7.162"	Cast	Iron	00000000	000000

H Series Quick-Disconnect Timing Belt Pulleys

Move heavy loads without slippage—pulleys mount with quick-disconnect (QD) bushings (sold separately) for a more secure grip on the shaft than set screws. Bushing is not included. Pulleys are H series (heavy) and have trapezoidal teeth. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width.

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

Bushing Mount

With Two Flanges

Without Flanges

With Two Flanges

Without Flanges

For 1" Max. Belt Wd.
OD	Number of Teeth	Pitch	ID	Bore Type	For Bushing Style	Inside Wd.	Outside Wd.	Overall Wd.	Pitch Dia.	Number of Flanges	Fabrication	Material		Each
5.02"	30	0.500"	2.187"	Finished	Quick Disconnect Style SD	1.063"	1.313"	1.313"	4.775"	2	Cast	Iron	00000000	000000
5.33"	32	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.063"	1.313"	1.313"	5.093"	2	Cast	Iron	0000000	00000
5.95"	36	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.063"	1.313"	1.313"	5.73"	2	Cast	Iron	00000000	000000
6.58"	40	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.063"	1.313"	1.313"	6.366"	2	Cast	Iron	00000000	000000
8.02"	48	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.063"	1.313"	1.313"	7.639"	2	Cast	Iron	00000000	000000
9.5"	60	0.500"	3.125"	Finished	Quick Disconnect Style SF	__	1.313"	1.313"	9.549"	__	Cast	Iron	00000000	000000
19.05"	120	0.500"	3.125"	Finished	Quick Disconnect Style SF	__	1.313"	1.313"	19.099"	__	Cast	Iron	00000000	000000
For 1 1/2" Max. Belt Wd.
5.02"	30	0.500"	2.187"	Finished	Quick Disconnect Style SD	1.563"	1.813"	1.813"	4.775"	2	Cast	Iron	00000000	000000
5.33"	32	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.563"	1.813"	1.813"	5.093"	2	Cast	Iron	0000000	000000
5.95"	36	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.563"	1.813"	1.813"	5.73"	2	Cast	Iron	00000000	000000
6.58"	40	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.563"	1.813"	1.813"	6.366"	2	Cast	Iron	00000000	000000
8.02"	48	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.563"	1.813"	1.813"	7.639"	2	Cast	Iron	00000000	000000
9.5"	60	0.500"	3.125"	Finished	Quick Disconnect Style SF	__	1.813"	1.813"	9.549"	__	Cast	Iron	00000000	000000
19.05"	120	0.500"	3.125"	Finished	Quick Disconnect Style SF	__	1.813"	1.813"	19.099"	__	Cast	Iron	00000000	000000
For 2" Max. Belt Wd.
3.42"	20	0.500"	1.87"	Finished	Quick Disconnect Style SH	2.094"	2.344"	2.344"	3.183"	2	Machined	Black-Oxide Iron	00000000	00000
3.735"	22	0.500"	2.187"	Finished	Quick Disconnect Style SD	2.094"	2.344"	2.344"	3.501"	2	Machined	Black-Oxide Iron	00000000	00000
4.05"	24	0.500"	2.187"	Finished	Quick Disconnect Style SD	2.094"	2.344"	2.344"	3.82"	2	Machined	Black-Oxide Iron	00000000	00000
4.369"	26	0.500"	2.187"	Finished	Quick Disconnect Style SD	2.094"	2.344"	2.344"	4.138"	2	Machined	Black-Oxide Iron	00000000	000000
4.687"	28	0.500"	2.187"	Finished	Quick Disconnect Style SD	2.094"	2.344"	2.344"	4.456"	2	Machined	Black-Oxide Iron	00000000	000000
5"	30	0.500"	2.187"	Finished	Quick Disconnect Style SD	2.094"	2.344"	2.344"	4.775"	2	Machined	Black-Oxide Iron	00000000	000000
5.32"	32	0.500"	2.812"	Finished	Quick Disconnect Style SK	2.094"	2.344"	2.344"	5.093"	2	Machined	Black-Oxide Iron	0000000	000000
5.959"	36	0.500"	2.812"	Finished	Quick Disconnect Style SK	2.094"	2.344"	2.344"	5.73"	2	Machined	Black-Oxide Iron	00000000	000000
6.6"	40	0.500"	2.812"	Finished	Quick Disconnect Style SK	2.094"	2.344"	2.344"	6.366"	2	Machined	Black-Oxide Iron	00000000	000000
8.016"	48	0.500"	3.125"	Finished	Quick Disconnect Style SF	2.094"	2.344"	2.344"	7.639"	2	Machined	Black-Oxide Iron	00000000	000000
9.495"	60	0.500"	3.125"	Finished	Quick Disconnect Style SF	__	2.344"	2.344"	9.549"	__	Cast	Black-Oxide Iron	00000000	000000
19.045"	120	0.500"	3.834"	Finished	Quick Disconnect Style E	__	2.344"	2.344"	19.099"	__	Cast	Black-Oxide Iron	00000000	000000

High-Strength GT Timing Belt Pulleys

For higher speed or higher torque applications, these GT series timing belt pulleys provide a more precise fit than HTD pulleys. Use them where accuracy is critical, such as in storage and retrieval systems or in robotics. Similar to HTD timing belt pulleys, their teeth are curved for high strength. The curved teeth create positive grip engagement with timing belts, so these pulleys do not require re-tensioning—unlike drives using V-belts or sheaves. And unlike chain drives, there’s no metal-on-metal contact, so these pulleys don’t require lubrication.

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

Bushing Mount

Without Hub—Two Flanges

Without Hub

Without Hub—Two Flanges

Without Hub

For 40 mm Maximum Belt Width
Number of Teeth	Pitch, mm	ID	Bore Type	For Bushing Style	Inside Width, mm	Outside Width, mm	Overall Width, mm	Pitch Diameter, mm	Number of Flanges	Fabrication	Material		Each
28	14	2.75"	Plain	Taper-Lock Style 2012	46.23	54.1	54.1	124.765	2	Machined	Black-Oxide Iron	00000000	0000000
29	14	2.75"	Plain	Taper-Lock Style 2012	46.23	54.1	54.1	129.235	2	Machined	Black-Oxide Iron	00000000	000000
30	14	2.75"	Plain	Taper-Lock Style 2012	46.23	54.1	54.1	133.68	2	Machined	Black-Oxide Iron	00000000	000000
31	14	2.75"	Plain	Taper-Lock Style 2012	46.23	54.1	54.1	138.151	2	Machined	Black-Oxide Iron	00000000	000000
32	14	2.75"	Plain	Taper-Lock Style 2012	46.23	54.1	54.1	142.596	2	Machined	Black-Oxide Iron	00000000	000000
33	14	2.75"	Plain	Taper-Lock Style 2012	46.23	54.1	54.1	147.066	2	Machined	Black-Oxide Iron	00000000	000000
34	14	2.75"	Plain	Taper-Lock Style 2012	46.23	54.1	54.1	151.511	2	Machined	Zinc-Plated Iron	00000000	000000
35	14	2.75"	Plain	Taper-Lock Style 2012	46.23	54.1	54.1	155.981	2	Machined	Black-Oxide Iron	00000000	000000
36	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	160.426	2	Machined	Black-Oxide Iron	0000000	000000
37	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	164.897	2	Machined	Black-Oxide Iron	00000000	000000
38	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	169.393	2	Machined	Black-Oxide Iron	00000000	000000
39	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	173.787	2	Machined	Black-Oxide Iron	00000000	000000
40	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	178.257	2	Machined	Black-Oxide Iron	00000000	000000
42	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	187.173	2	Machined	Black-Oxide Iron	00000000	000000
44	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	196.088	2	Machined	Black-Oxide Iron	00000000	000000
46	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	204.978	2	Machined	Black-Oxide Iron	00000000	000000
48	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	213.893	2	Machined	Black-Oxide Iron	00000000	000000
50	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	222.809	2	Machined	Black-Oxide Iron	00000000	000000
52	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	231.724	2	Machined	Black-Oxide Iron	0000000	000000
56	14	3.375"	Plain	Taper-Lock Style 2517	46.23	54.1	54.1	249.555	2	Cast, Machined	Black-Oxide Iron	00000000	000000
60	14	4.25"	Plain	Taper-Lock Style 3020	46.23	54.1	54.1	267.386	2	Cast, Machined	Black-Oxide Iron	00000000	000000
64	14	4.25"	Plain	Taper-Lock Style 3020	46.23	54.1	54.1	285.217	2	Cast, Machined	Black-Oxide Iron	00000000	000000
68	14	4.25"	Plain	Taper-Lock Style 3020	46.23	54.1	54.1	303.022	2	Cast, Machined	Black-Oxide Iron	00000000	000000
72	14	4.25"	Plain	Taper-Lock Style 3020	46.23	54.1	54.1	320.853	2	Cast, Machined	Black-Oxide Iron	00000000	000000
80	14	4.25"	Plain	Taper-Lock Style 3020	46.23	54.1	54.1	356.514	2	Cast, Machined	Black-Oxide Iron	00000000	000000
90	14	4.25"	Plain	Taper-Lock Style 3020	__	54.1	54.1	401.066	__	Cast, Machined	Black-Oxide Iron	00000000	000000
112	14	4.25"	Plain	Taper-Lock Style 3020	__	54.1	54.1	499.11	__	Cast, Machined	Black-Oxide Iron	00000000	000000
144	14	4.25"	Plain	Taper-Lock Style 3020	__	54.1	54.1	641.706	__	Cast, Machined	Black-Oxide Iron	00000000	000000
168	14	4.25"	Plain	Taper-Lock Style 3020	__	54.1	54.1	748.665	__	Cast, Machined	Black-Oxide Iron	0000000	000000
192	14	4.25"	Plain	Taper-Lock Style 3020	__	54.1	54.1	855.624	__	Cast, Machined	Black-Oxide Iron	00000000	000000

High-Strength Ultra-Quiet Timing Belt Pulleys

Teeth are curved and set in an offset pattern for high strength with 25% less operating noise than pulleys and belts with trapezoidal teeth. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width.

Press-fit mount pulleys come machined to the for shaft diameter size and are machinable up to the for maximum shaft diameter size.

Bushing-mount pulleys grip the shaft more securely than pulleys that press fit. Quick-disconnect (QD) bushings sold separately.

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

Press-Fit Mount

For 16 mm Max. Belt Wd.
OD, mm	Number of Teeth	Pitch, mm	For Shaft Dia.	For Max. Shaft Dia.	Bore Type	Outside Wd., mm	Overall Wd., mm	Pitch Dia., mm	Fabrication	Material	Hub Dia., mm		Each
44.45	18	8	1/2"	7/8"	Plain	17	29	46	Cast	Manganese-Phosphate Iron	38.7	0000000	0000000
For 32 mm Max. Belt Wd.
62.23	25	8	1/2"	1 3/8"	Plain	33	49	64	Cast	Manganese-Phosphate Iron	53.5	0000000	000000

Bushing Mount

For 16 mm Max. Belt Wd.
OD, mm	Number of Teeth	Pitch, mm	ID	Bore Type	For Bushing Style	Outside Wd., mm	Overall Wd., mm	Pitch Dia., mm	Fabrication	Material		Each
69.85	28	8	1.625"	Finished	Quick Disconnect Style H	17	17	71	Cast	Manganese-Phosphate Iron	0000000	0000000
90.43	36	8	1.871"	Finished	Quick Disconnect Style SH	17	17	92	Cast	Manganese-Phosphate Iron	0000000	000000
For 32 mm Max. Belt Wd.
100.59	40	8	1.871"	Finished	Quick Disconnect Style SH	33	33	102	Cast	Manganese-Phosphate Iron	0000000	000000
120.91	48	8	2.187"	Finished	Quick Disconnect Style SDS	33	33	122	Cast	Manganese-Phosphate Iron	0000000	000000

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