35 Teeth Sprockets | McMaster-Carr

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77 Products

Sprockets

For Single Strand

Sprocket teeth mesh with your roller chain to smoothly transmit power. These U.S.-made sprockets have machined teeth for a more precise fit than flame-cut or punched teeth, allowing them to glide in and out of the chain to reduce wear and extend chain life.

Steel—Steel is strong, but best for dry environments since moisture will cause it to rust.

Finished Bore—Mount these sprockets onto your shaft and secure with a set screw—no machining required.

Plain Bore—Plain bore sprockets give you options—machine a custom bore, weld, or press-fit them in place. They're sized to the minimum shaft diameter listed and are machinable up to the maximum.

	For Roller Chain							Keyway
	Trade No.	Std.	Pitch	No. of Teeth	OD	Bore Type	For Shaft Dia.	Wd.	Dp.		Each
For Single Strand







				Steel

				35	ANSI	3/8"	35	4 3/8"	Finished	5/8"	3/16"	3/32"	00000000	000000


				35	ANSI	3/8"	35	4 3/8"	Finished	3/4"	3/16"	3/32"	00000000	00000
				35	ANSI	3/8"	35	4 3/8"	Finished	7/8"	3/16"	3/32"	00000000	00000
				35	ANSI	3/8"	35	4 3/8"	Finished	1"	1/4"	1/8"	00000000	00000
				35	ANSI	3/8"	35	4 3/8"	Finished	1 1/8"	1/4"	1/8"	00000000	00000
				35	ANSI	3/8"	35	4 3/8"	Finished	1 3/16"	1/4"	1/8"	00000000	00000
				35	ANSI	3/8"	35	4 3/8"	Finished	1 1/4"	1/4"	1/8"	00000000	00000
				35	ANSI	3/8"	35	4 3/8"	Plain	5/8" to 1 1/2"	—	—	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Finished	5/8"	3/16"	3/32"	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Finished	3/4"	3/16"	3/32"	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Finished	7/8"	3/16"	3/32"	00000000	00000


				40	ANSI	1/2"	35	5 7/8"	Finished	1"	1/4"	1/8"	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Finished	1 1/8"	1/4"	1/8"	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Finished	1 3/16"	1/4"	1/8"	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Finished	1 1/4"	1/4"	1/8"	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Finished	1 3/8"	5/16"	5/32"	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Finished	1 7/16"	3/8"	3/16"	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Finished	1 1/2"	3/8"	3/16"	00000000	00000
				40	ANSI	1/2"	35	5 7/8"	Plain	5/8" to 2 1/4"	—	—	00000000	00000
				41	ANSI	1/2"	35	5 7/8"	Finished	5/8"	3/16"	3/32"	00000000	00000
				41	ANSI	1/2"	35	5 7/8"	Finished	3/4"	3/16"	3/32"	00000000	00000


				41	ANSI	1/2"	35	5 7/8"	Finished	7/8"	3/16"	3/32"	00000000	00000
				41	ANSI	1/2"	35	5 7/8"	Finished	1"	1/4"	1/8"	00000000	00000
				41	ANSI	1/2"	35	5 7/8"	Finished	1 1/8"	1/4"	1/8"	00000000	00000
				41	ANSI	1/2"	35	5 7/8"	Finished	1 1/4"	1/4"	1/8"	00000000	00000
				41	ANSI	1/2"	35	5 7/8"	Finished	1 1/2"	3/8"	3/16"	00000000	00000
				50	ANSI	5/8"	35	7 5/16"	Finished	3/4"	3/16"	3/32"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	7/8"	3/16"	3/32"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1"	1/4"	1/8"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1 1/8"	1/4"	1/8"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1 3/16"	1/4"	1/8"	00000000	000000


				50	ANSI	5/8"	35	7 5/16"	Finished	1 1/4"	1/4"	1/8"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1 3/8"	5/16"	5/32"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1 7/16"	3/8"	3/16"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1 1/2"	3/8"	3/16"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1 5/8"	3/8"	3/16"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1 3/4"	3/8"	3/16"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1 15/16"	1/2"	1/4"	00000000	000000
				50	ANSI	5/8"	35	7 5/16"	Plain	3/4" to 2 1/4"	—	—	00000000	00000
				60	ANSI	3/4"	35	8 3/4"	Finished	1"	1/4"	1/8"	00000000	000000
				60	ANSI	3/4"	35	8 3/4"	Finished	1 1/8"	1/4"	1/8"	00000000	000000


				60	ANSI	3/4"	35	8 3/4"	Finished	1 3/16"	1/4"	1/8"	00000000	000000
				60	ANSI	3/4"	35	8 3/4"	Finished	1 1/4"	1/4"	1/8"	00000000	000000
				60	ANSI	3/4"	35	8 3/4"	Finished	1 3/8"	5/16"	5/32"	00000000	000000
				60	ANSI	3/4"	35	8 3/4"	Finished	1 7/16"	3/8"	3/16"	00000000	000000
60				ANSI	3/4"	35	8 3/4"	Finished	1 1/2"	3/8"	3/16"	00000000	000000
60	ANSI			3/4"	35	8 3/4"	Finished	1 5/8"	3/8"	3/16"	00000000	000000
60	ANSI			3/4"	35	8 3/4"	Finished	1 3/4"	3/8"	3/16"	00000000	000000
60	ANSI			3/4"	35	8 3/4"	Finished	1 15/16"	1/2"	1/4"	00000000	000000
60	ANSI			3/4"	35	8 3/4"	Plain	1" to 2 3/4"	—	—	00000000	000000

Flat Sprockets

Save space and cut weight—these sprockets don’t have a raised hub so they’re best for tight spots and lightweight designs. Bolt or weld them to components and mounting surfaces, or add a custom hub. Although they are versatile, they’re harder to align than sprockets with hubs.

Steel—Steel is strong, but best for dry environments since moisture will cause it to rust.

	For Roller Chain
	Trade No.	Std.	Pitch	No. of Teeth	OD	Bore Type	For Shaft Dia.		Each
For Single Strand







				Steel

				35	ANSI	3/8"	35	4 3/8"	Plain	5/8" to 3 3/4"	00000000	000000


				40	ANSI	1/2"	35	5 7/8"	Plain	19/32" to 5 1/64"	0000000	00000
				50	ANSI	5/8"	35	7 5/16"	Plain	23/32" to 6 9/32"	0000000	00000
				60	ANSI	3/4"	35	8 3/4"	Plain	15/16" to 7 35/64"	0000000	00000
				80	ANSI	1"	35	11 11/16"	Plain	1 3/16" to 10 5/64"	00000000	000000

Plastic Sprockets

Quiet-running, lightweight, and naturally rust resistant. Choose these sprockets for noise-sensitive areas, designs with weight constraints, and machines that require frequent washdowns. Their teeth mesh with your roller chain to smoothly transmit power. All are made in the U.S.

	For Roller Chain
	Trade No.	Std.	Pitch	No. of Teeth	OD	Bore Type	For Shaft Dia.		Each
For Single Strand



		25	ANSI	1/4"	35	2 15/16"	Plain	1/2" to 1"	00000000	000000


		35	ANSI	3/8"	35	4 3/8"	Plain	1/2" to 1 7/16"	00000000	00000
		40	ANSI	1/2"	35	5 7/8"	Plain	1/2" to 1 1/2"	00000000	00000
		50	ANSI	5/8"	35	7 5/16"	Plain	1/2" to 1 3/4"	000000000	000000

Idler Sprockets

Maintain constant tension on your roller chain to reduce wear and vibration. These sprockets press against the chain to take up slack and rotate freely on bearings to keep the chain moving smoothly. They’re often paired with roller chain tensioners.

For Single Strand

Ball Bearing

Ball Bearing—Smoother than smooth—the balls inside these bearings roll nearly friction-free to handle high speeds. All are sealed to keep lubricant in and dust out.

Wear-Resistant Steel with Hardened Teeth—These sprockets have teeth that are hardened from the tip to the base so they withstand chain contact and wear evenly. That means fewer broken teeth and a longer lifespan than sprockets with unhardened or tip-hardened teeth. Steel is best for dry environments since moisture will cause it to rust.

	For Roller Chain
	Trade No.	Std.	Pitch	No. of Teeth	For Shaft Dia.	OD	Bearing Material		Each
Ball Bearing







				Wear-Resistant Steel with Hardened Teeth

				40	ANSI	1/2"	35	5/8"	5 7/8"	Steel	00000000	000000

Metal Spur Gears

Our strongest spur gears for transferring motion. They’re better than plastic gears for high-load, high-speed, and heavy duty applications. Combine a gear and rack to convert rotary motion into linear motion. To minimize your footprint, mount one or more standard gears inside of an internal gear.

Combine gears with different numbers of teeth to change speed and torque in your assembly. For components to mesh correctly, they must have the same pressure angle and pitch/module.

Gears


20° Pressure Angle Round Bore	20° Pressure Angle, Clamping Bore with Clamping Screw

Gear with Round or Round/Machinable Bore	Gear with Keyed Bore and Set Screw

20° Pressure Angle—The current industry standard, these 20° pressure angle spur gears have thicker, stronger teeth than 14½° pressure angle gears.

14 1/2° Pressure Angle—A former industry standard, 14½° pressure angle gears are often found in older machinery.

Steel—Steel gears have hard, strong, and wear-resistant teeth, although they will rust when exposed to moisture and corrosive chemicals.

Stainless Steel—Stainless steel gears resist rust in damp and wet environments, so they're commonly used in food-processing plants and other areas with frequent cleaning.

Plain Bore—Gears with a plain bore have a large hub diameter so you can machine them to fit your shaft.

Clamping Bore—Gears with a clamping bore have a built-in clamp that securely grips shafts without marring them. Use the included clamping screw to tighten or loosen the grip.

							Hub				Keyway
	Gear Pitch	Gear Module	No. of Teeth	Gear Pitch Dia.	OD	Face Wd.	Dia.	Wd.	Bore Type	For Shaft Dia.	Wd.	Dp.	Tooth Heat Treatment	Material		Each
20° Pressure Angle







				Steel

				20	—	35	1 3/4"	1.85"	1/2"	1.47"	0.5"	Round Bore	1/2"	—	—	Not Hardened	1117 Carbon Steel	0000000	000000




						Stainless Steel

						—	1	35	35 mm	37 mm	6 mm	19 mm	10 mm	Clamping Bore with Clamping Screw	8 mm	—	—	Not Hardened	303 Stainless Steel	0000000	00000


						14 1/2° Pressure Angle







										Steel

										10	—	35	3 1/2"	3.7"	1"	2.25"	0.875"	Round/Plain Bore	3/4" to 1 5/16"	—	—	Not Hardened	1144 Carbon Steel	000000	00000


										10	—	35	3 1/2"	3.7"	1"	2.25"	0.875"	Keyed Bore with Set Screw	3/4"	0.188"	0.094"	Not Hardened	1144 Carbon Steel	0000000	000000

Gear Racks

These racks match with spur gears to convert rotary motion to linear motion. For components to mesh correctly, they must have the same pressure angle and pitch/module.

Steel—Steel gear racks have strong and wear-resistant teeth, although they will rust when exposed to moisture and corrosive chemicals.

Stainless Steel—Stainless steel gear racks resist rust in damp and wet environments, so they're commonly used in food-processing plants and other areas with frequent cleaning.

Hardened—Gear racks with hardened teeth have better wear resistance than racks with teeth that are not hardened.

	Pitch Ht.	Ht.	Face Wd.	Tooth Heat Treatment	Material		Each
20° Pressure Angle—Rectangular







	Steel

	20	—	2 ft.	0.45"	1/2"	1/2"	Not Hardened	1018 Low-Carbon Steel	000000	000000


	20	—	4 ft.	0.45"	1/2"	1/2"	Not Hardened	1215 Carbon Steel	0000000	00000
	20	—	6 ft.	0.45"	1/2"	1/2"	Not Hardened	1215 Carbon Steel	0000000	00000




			Stainless Steel

			—	1	500 mm	11 mm	12 mm	10 mm	Hardened	304 Stainless Steel	00000000	000000


			14 1/2° Pressure Angle—Rectangular







							Steel

							10	—	2 ft.	0.525"	5/8"	1"	Not Hardened	1018 Low-Carbon Steel	0000000	00000


							10	—	2 ft.	0.9"	1"	1"	Not Hardened	1018 Low-Carbon Steel	0000000	00000
							10	—	4 ft.	0.525"	5/8"	1"	Not Hardened	1215 Carbon Steel	00000000	00000
							10	—	4 ft.	0.9"	1"	1"	Not Hardened	1215 Carbon Steel	00000000	000000
							10	—	6 ft.	0.525"	5/8"	1"	Not Hardened	1215 Carbon Steel	00000000	000000
							10	—	6 ft.	0.9"	1"	1"	Not Hardened	1215 Carbon Steel	00000000	000000

Plastic Spur Gears

Made of plastic, these spur gears run more quietly than metal gears and have good corrosion and chemical resistance. However, they’re not as strong as metal gears, so they’re best for light duty applications. Combine a gear and rack to convert rotary motion into linear motion.

Combine gears with different numbers of teeth to change speed and torque in your assembly. For components to mesh correctly, they must have the same pressure angle and pitch/module.

Gears

20° Pressure

Angle

20° Pressure Angle—The current industry standard, these 20° pressure angle spur gears have thicker, stronger teeth than 14½° pressure angle gears.

Acetal—Acetal gears absorb less water than nylon gears, so they’re less likely to swell.

						Hub, mm
	Gear Module	No. of Teeth	Gear Pitch Dia., mm	OD, mm	Face Wd., mm	Dia.	Wd.	Bore Type	For Shaft Dia., mm	Color		Each
20° Pressure Angle







				Acetal

				1	35	35	37	6	14	6	Round Bore	6	White	00000000	000000

Gear Racks

20° Pressure Angle—Rectangular

These racks match with spur gears to convert rotary motion to linear motion. For components to mesh correctly, they must have the same pressure angle and pitch/module.

Acetal—Acetal gear racks absorb less water than nylon racks, so they’re less likely to swell.

Machined—Machined gear racks may be slightly bowed but will straighten out when installed.

	Ht., mm	Face Wd., mm	Fabrication	Color		Each
20° Pressure Angle—Rectangular







	Acetal

	1	315	7.9	10	10	Molded	Gray	0000000	00000


	1	500	11	12	10	Machined	White	0000000	000000