Flat Drive Belts | McMaster-Carr

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Flat

System of Measurement

Width

Thickness

Outer Circumference

Color

Material

Ply

Core Material

Cotton

Nylon

Increment

1/4"

Export Control Classification Number (ECCN)

Pulley Diameter

DFARS Specialty Metals

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Performance

120 Products

Made-to-Order Flat Belts

These oil-resistant Buna-N belts have a nylon core.

7" to 60" Outer Circumference Range

Outer

Circumference

	For Min. Pulley Dia.	Material	Core Material	Color		Per Inch
0.03" Thick



	3/16"	19/32"	Buna-N	Nylon	Black, Green	0000000	00000


	1/4"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000
	1/2"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000
	3/4"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000
	1"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000
	2 1/2"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000

61" to 4,140" Outer Circumference Range

Outer

Circumference

To Order: Please specify outer circumference in _1/4" increments.

	For Min. Pulley Dia.	Material	Core Material	Color		Per Inch
0.03" Thick



	3/16"	19/32"	Buna-N	Nylon	Black, Green	0000000	00000


	1/4"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000
	1/2"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000
	3/4"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000
	1"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000
	2 1/2"	19/32"	Buna-N	Nylon	Black, Green	0000000	0000

Abrasion-Resistant Made-to-Order Flat Belts


	Outer Circumference

Made of polyurethane, these belts are chemical and abrasion resistant.

To Order: Please specify outer circumference in _1/4"increments.

Wd.	Thk.	Outer Circumference Range	For Min. Pulley Dia.	Material	Color	Per Inch
3/8"	0.055"	12" to 1,200"	3/8"	Polyurethane Rubber	Orange	00000
1/2"	0.062"	12" to 1,200"	1/2"	Polyurethane Rubber	Orange	0000
5/8"	0.125"	12" to 1,200"	1"	Polyurethane Rubber	Orange	0000
3/4"	0.078"	12" to 1,200"	5/8"	Polyurethane Rubber	Orange	0000
1"	0.09"	12" to 1,200"	3/4"	Polyurethane Rubber	Orange	0000
1 1/4"	0.09"	12" to 1,200"	3/4"	Polyurethane Rubber	Orange	0000
1 1/2"	0.09"	12" to 1,200"	3/4"	Polyurethane Rubber	Orange	0000
1 3/4"	0.062"	12" to 1,200"	1/2"	Polyurethane Rubber	Orange	0000
2"	0.062"	12" to 1,200"	1/2"	Polyurethane Rubber	Orange	0000
3"	0.062"	12" to 1,200"	7/8"	Polyurethane Rubber	Orange	0000

Heavy Duty Long-Life Leather Flat Belting

Also known as center-stock belting, this belting resists permanent stretch and has excellent resistance to oil, which gives it a long service life. To join ends, use alligator belt lacing.

	For Min. Pulley Dia.	Material	Color		Per Ft.
1 Ply—0.1563" Thick



	1/2"	3"	Leather	Brown	0000000	00000


	3/4"	3"	Leather	Brown	0000000	00000
	1"	3"	Leather	Brown	0000000	00000
	1 1/4"	3"	Leather	Brown	0000000	00000
	1 1/2"	3"	Leather	Brown	0000000	00000
	2"	3"	Leather	Brown	0000000	00000
	2 1/2"	3"	Leather	Brown	0000000	00000
	3"	3"	Leather	Brown	0000000	00000
	4"	3"	Leather	Brown	0000000	00000


	1 Ply—0.1875" Thick



			1/2"	5"	Leather	Brown	0000000	0000


			3/4"	5"	Leather	Brown	0000000	00000
			1"	5"	Leather	Brown	0000000	00000
			1 1/4"	5"	Leather	Brown	0000000	00000
			1 1/2"	5"	Leather	Brown	0000000	00000
			2"	5"	Leather	Brown	0000000	00000
			2 1/2"	5"	Leather	Brown	0000000	00000
			3"	5"	Leather	Brown	0000000	00000
			4"	5"	Leather	Brown	0000000	00000
			6"	5"	Leather	Brown	0000000	00000


			2 Ply—0.2188" Thick



					1/2"	5"	Leather	Brown	0000000	00000


					3/4"	5"	Leather	Brown	0000000	00000
					1"	5"	Leather	Brown	0000000	00000
					1 1/4"	5"	Leather	Brown	0000000	00000
					1 1/2"	5"	Leather	Brown	0000000	00000
					2"	5"	Leather	Brown	0000000	00000
					2 1/2"	5"	Leather	Brown	0000000	00000
					3"	5"	Leather	Brown	0000000	00000
					4"	5"	Leather	Brown	0000000	00000


					2 Ply—0.2656" Thick



							3/4"	6"	Leather	Brown	0000000	00000


							1"	6"	Leather	Brown	0000000	00000
							1 1/4"	6"	Leather	Brown	0000000	00000
							1 1/2"	6"	Leather	Brown	0000000	00000
							2"	6"	Leather	Brown	0000000	00000
							2 1/2"	6"	Leather	Brown	0000000	00000
							3"	6"	Leather	Brown	0000000	00000
4"							6"	Leather	Brown	0000000	00000


2 Ply—0.3438" Thick



							1"	12"	Leather	Brown	0000000	00000


							1 1/4"	12"	Leather	Brown	0000000	00000
							1 1/2"	12"	Leather	Brown	0000000	00000
							2"	12"	Leather	Brown	0000000	00000
							2 1/2"	12"	Leather	Brown	0000000	00000
							3"	12"	Leather	Brown	0000000	00000
							4"	12"	Leather	Brown	0000000	00000

Strong-Grip Flat Belting


3 Ply	4 Ply	5 Ply

Commonly used for material handling and light to medium duty power transmission, this belting has a textured rubber cover on both sides for gripping material. To join ends, use alligator belt lacing.

					3 Ply—0.141" Thick			4 Ply—0.187" Thick			5 Ply—0.213" Thick
Wd.	Wd. Tolerance	Material	Core Material	Color	For Min. Pulley Dia.		Per Ft.	For Min. Pulley Dia.		Per Ft.	For Min. Pulley Dia.		Per Ft.
1 1/4"	-0.125" to 0.125"	SBR	Cotton	Brown	2 1/2"	00000000	00000	3"	00000000	00000	3 1/2"	00000000	00000
1 1/2"	-0.125" to 0.125"	SBR	Cotton	Brown	2 1/2"	00000000	0000	3"	00000000	0000	3 1/2"	00000000	0000
2"	-0.125" to 0.125"	SBR	Cotton	Brown	2 1/2"	00000000	0000	3"	00000000	0000	3 1/2"	00000000	0000
2 1/2"	-0.125" to 0.125"	SBR	Cotton	Brown	2 1/2"	00000000	0000	3"	00000000	0000	3 1/2"	00000000	0000
3"	-0.125" to 0.125"	SBR	Cotton	Brown	2 1/2"	00000000	0000	3"	00000000	0000	3 1/2"	00000000	0000
4"	-0.125" to 0.125"	SBR	Cotton	Brown	2 1/2"	00000000	0000	3"	00000000	0000	3 1/2"	00000000	00000
6"	-0.125" to 0.125"	SBR	Cotton	Brown	2 1/2"	00000000	00000	3"	00000000	00000	3 1/2"	00000000	00000

Flat Belting

Weld the ends of this belting together for a firm hold. Resistant to chemicals and abrasion, it is often used for light to medium duty power transmission. To weld ends, use a welding kit.

	For Min. Pulley Dia.	Material	Color		Per Ft.
0.055" Thick



	3/8"	3/8"	Polyurethane Rubber	Orange	0000000	00000


	0.062" Thick



			1/2"	1/2"	Polyurethane Rubber	Orange	0000000	0000


			3/4"	1/2"	Polyurethane Rubber	Orange	0000000	0000
			1 3/4"	1/2"	Polyurethane Rubber	Orange	0000000	0000
			2"	1/2"	Polyurethane Rubber	Orange	0000000	0000
			3"	1/2"	Polyurethane Rubber	Orange	0000000	0000


			0.078" Thick



					3/4"	5/8"	Polyurethane Rubber	Orange	0000000	0000


					0.09" Thick



							1"	3/4"	Polyurethane Rubber	Orange	0000000	0000


							1 1/4"	3/4"	Polyurethane Rubber	Orange	0000000	0000
							1 1/2"	3/4"	Polyurethane Rubber	Orange	0000000	0000
							2"	3/4"	Polyurethane Rubber	Orange	0000000	00000


							0.125" Thick



									5/8"	1"	Polyurethane Rubber	Orange	0000000	0000


									1"	1"	Polyurethane Rubber	Orange	0000000	0000


									0.25" Thick



											5/8"	2"	Polyurethane Rubber	Orange	0000000	00000

High-Speed Long-Life Leather Flat Belting

A nylon core allows this belting to handle higher speeds than other leather flat belting. It resists permanent stretch and has excellent resistance to oil, which gives it a long service life. To join ends, use alligator belt lacing.

	For Min. Pulley Dia.	Material	Core Material	Color		Per Ft.
3 Ply—0.17" Thick



	1/2"	3 5/16"	Leather	Nylon	Gray	0000000	00000


	3/4"	3 5/16"	Leather	Nylon	Gray	0000000	0000
	1"	3 5/16"	Leather	Nylon	Gray	0000000	0000
	1 1/4"	3 5/16"	Leather	Nylon	Gray	0000000	00000
	1 1/2"	3 5/16"	Leather	Nylon	Gray	0000000	00000
	2"	3 5/16"	Leather	Nylon	Gray	0000000	00000
	2 1/2"	3 5/16"	Leather	Nylon	Gray	0000000	00000
	3"	3 5/16"	Leather	Nylon	Gray	0000000	00000
	3 1/2"	3 5/16"	Leather	Nylon	Gray	0000000	00000
	4"	3 5/16"	Leather	Nylon	Gray	0000000	00000

Light Duty Long-Life Leather Flat Belting

1 Ply

Also known as side-stock belting, this belting resists permanent stretch and has excellent resistance to oil, which gives it a long service life. To join ends, use alligator belt lacing.

	For Min. Pulley Dia.	Material	Color		Per Ft.
1 Ply—0.1563" Thick



	1"	3"	Leather	Brown	0000000	000000


	1 1/4"	3"	Leather	Brown	0000000	00000
	1 1/2"	3"	Leather	Brown	0000000	00000
	2"	3"	Leather	Brown	0000000	00000
	2 1/4"	3"	Leather	Brown	0000000	00000
	2 1/2"	3"	Leather	Brown	0000000	00000
	2 3/4"	3"	Leather	Brown	0000000	00000
	3"	3"	Leather	Brown	0000000	00000
	4"	3"	Leather	Brown	0000000	00000
	6"	3"	Leather	Brown	0000000	00000