Pulley Aligning Lasers | McMaster-Carr

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Leveling and Aligning Accuracy

-0.001" to 0.001" @ 12"

-1/16" to 1/16" @ 6 ft.

-1/16" to 1/16" @ 10 ft.

-1/32" to 1/32" @ 15 ft.

-5/16" to -5/16" @ 50 ft.

-0.250" to 0.250" @ 100 ft.

-0.125" to 0.125" @ 100 ft.

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15 Products

Pulley Alignment Lasers

Three Adjustable Targets


One Adjustable Target	Three Adjustable Targets

Check that your pulley, gear, or sprocket system is properly aligned. These magnetic lasers stick to equipment made of steel. Project the laser beam down your belt or chain and look to see how it hits the target—you can determine angular and offset misalignment at the same time. The target has a machined surface that sits parallel to the contact surface for precise alignment. Adjust your setup until the laser line overlaps with the reference line on the target. These lasers are portable and battery powered, so they’re easy to use in spaces without outlets.

Red Laser—Red lasers are best for indoor environments, since they’re dimmer than green lasers.

Green Laser—Green lasers appear up to 10 times brighter than red lasers, so they’re easier to see outdoors or in bright indoor lighting, as well as from far away.

Built-In LED—Lasers with a built-in LED provide light in dim areas.

One Adjustable Target—Lasers with one adjustable target have a single laser line that indicates offset and angular misalignment. A mirror on the target reflects the laser back to the transmitter’s reference line to show misalignment. No need to fuss with the traditional multi-target method.

	For Pulley								Overall
	Spacing	Dia.	Leveling and Aligning Accuracy	Max. Laser Distance, ft.	Line Size @ Distance	Laser Class	Wavelength, nm	Tolerance per ft. Tolerance	Lg.	Wd.	Ht.	Container Type	Batteries Included	Includes		Each
Red Laser



		3" to 20 ft.	3" to 36"	-1/16" to 1/16" @ 10 ft. -5/16" to -5/16" @ 50 ft.	50	7 ft. @ 6 ft.	FDA Class II	635	-0.002" to 0.002"	6 3/4"	5/8"	1 3/4"	Plastic Case	Yes	One 30-150 lb. Capacity Belt Tension Tester, One 100-300 lb. Capacity Belt Tension Tester, Three Adjustable Targets	2309A46	000000000


		6" to 22 ft.	3" to 60"	-1/16" to 1/16" @ 6 ft.	6	2 1/4 ft. @ 6 ft.	FDA Class II	635	-0.0125" to 0.0125"	1 1/4"	1 1/4"	8"	Plastic Case	Yes	Built-In LED, One Adjustable Target	2309A12	00000000


		Green Laser



				3" to 20 ft.	3" to 36"	-1/16" to 1/16" @ 10 ft. -5/16" to -5/16" @ 50 ft.	50	7 ft. @ 6 ft.	FDA Class II	532	-0.002" to 0.002"	6 3/4"	5/8"	1 3/4"	Plastic Case	Yes	Three Adjustable Targets	2309A11	00000000


				6" to 22 ft.	3" to 60"	-1/16" to 1/16" @ 6 ft. -1/32" to 1/32" @ 15 ft.	15	2 1/4 ft. @ 6 ft.	FDA Class II	532	-0.0125" to 0.0125"	1 1/4"	1 1/4"	8"	Plastic Case	Yes	Built-In LED, One Adjustable Target	2309A13	00000000

Pocket-Sized Pulley Alignment Lasers


	Style A—Battery Powered—Dot	Style B—Battery Powered—Dot

Slip this laser into your pocket so it's on hand to align belts, pulleys, chain, and sprockets. Place the tool against the side of your pulley or sprocket and project the laser onto the included target to detect angular or offset misalignment. They mount magnetically, so you don’t need any fasteners to secure them. The surface of the laser is machined, so it sits flush against flat surfaces for easy and precise alignment. They’re powered by a disposable battery, so they’re portable.

Style A—Battery Powered—Dot

								Overall					Batteries
	For Max. Pulley Spacing, ft.	Max. Laser Distance, ft.	Leveling and Aligning Accuracy	Dot Size @ Distance	Laser Class	Wavelength, nm	Tolerance per ft.	Lg.	Wd.	Ht.	Mount Type	Magnet Material	Included	No. Required	Size		Each
Red Laser



		100	200	-0.250" to 0.250" @ 100 ft.	3/8" @ 100 ft.	FDA Class II	650	0.0025"	1 3/4"	5/8"	1"	Magnetic Base	Neodymium	No	4	386	3273A1	0000000

Style B—Battery Powered—Dot

Style B lasers have a threaded tip, so they’re compatible with converters that change the shape of the laser, so you can perform a variety of tasks with the same tool.

								Overall					Batteries
	For Max. Pulley Spacing, ft.	Max. Laser Distance, ft.	Leveling and Aligning Accuracy	Dot Size @ Distance	Laser Class	Wavelength, nm	Tolerance per ft.	Lg.	Wd.	Ht.	Mount Type	Magnet Material	Included	No. Required	Size		Each
Red Laser



		50	400	-0.125" to 0.125" @ 100 ft.	3/8" @ 100 ft.	FDA Class IIIa	650	0.0013"	2 1/4"	5/8"	1"	Magnetic Base	Neodymium	No	4	386	3273A22	0000000

Laser Converters


90° Beam Splitters	Dot-to-Dotted Line Converters	Dot-to-Line Converters

Component	Line Size @ Distance	Dotted Line Size @ Distance		Each
90° Beam Splitter	—	—	20005A115	0000000
Dot-to-Dotted Line Converter	—	2" @ 1 ft.	20005A112	000000
Dot-to-Line Converter	6" @ 1 ft.	—	20005A116	00000
Dot-to-Line Converter	8" @ 1 ft.	—	20005A113	00000
Dot-to-Line Converter	16" @ 1 ft.	—	20005A114	00000
Dot-to-Line Converter	28" @ 1 ft.	—	20005A111	00000

Roller Alignment Lasers

These lasers take aligning rollers from the traditional multi-tool, multi-person job to a one-tool, one-person job. Strap the transmitter to the roller you want to match and the receiver to the roller you want to check. Instead of aligning with lots of trial and error, these tools have a horizontal beam that shows if your rollers are aligned in the same plane, and a vertical beam that shows if the rollers are evenly spaced along their length. Simply adjust the roller until the beams line up with the tools' reference points.

In addition to being easy to use, these lasers were also designed to be useful in most roller setups. The adjustable straps allow you to secure them to different roller sizes and materials. They're also compact enough to fit in tight spaces between rollers.

Battery Powered—Line


Red Laser	Green Laser

Red Laser—Red lasers are best viewed indoors, since they’re dimmer than green lasers.

Green Laser—Green lasers appear up to 10 times brighter than red lasers, so they’re easier to see outdoors or in bright indoor lighting, as well as from far away.

								Overall					Batteries
	For Roller Dia.	Max. Laser Distance, ft.	Leveling and Aligning Accuracy	No. of Lines	Line Size @ Distance	Laser Class	Wavelength, nm	Lg.	Wd.	Ht.	Mount Type	Container Type	Included	No. Required	Chemistry	Type	Charger Included	Includes		Each
Red Laser



		1" to 4"	4	-0.001" to 0.001" @ 12"	2	0.002" @ 4 ft.	FDA Class II	635	8 1/2"	2 1/2"	2"	Strap	Plastic Case	Yes	1	Lithium Ion (Li-Ion)	Rechargeable	Yes	One Adjustable Target	7138N11	000000000


		Green Laser



				1" to 12"	10	-0.001" to 0.001" @ 12"	2	0.007" @ 4 ft.	FDA Class II	532	12"	4 1/4"	3"	Strap	Plastic Case	Yes	1	Lithium Ion (Li-Ion)	Rechargeable	Yes	One Adjustable Target	7138N12	00000000


				6" to 96"	10	-0.001" to 0.001" @ 12"	2	0.007" @ 4 ft.	FDA Class II	532	12"	16 1/2"	6"	Strap	Plastic Case	Yes	1	Lithium Ion (Li-Ion)	Rechargeable	Yes	One Adjustable Target	7138N13	000000000