96 Teeth Sprockets | McMaster-Carr

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Pressure Angle

24 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.

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







				Steel

				40	ANSI	1/2"	96	15 9/16"	Finished	1"	1/4"	1/8"	00000000	0000000


				40	ANSI	1/2"	96	15 9/16"	Finished	1 1/4"	1/4"	1/8"	00000000	000000
				40	ANSI	1/2"	96	15 9/16"	Finished	1 3/8"	5/16"	5/32"	00000000	000000
				40	ANSI	1/2"	96	15 9/16"	Finished	1 1/2"	3/8"	3/16"	00000000	000000
				41	ANSI	1/2"	96	15 9/16"	Finished	1"	1/4"	1/8"	00000000	000000
				41	ANSI	1/2"	96	15 9/16"	Finished	1 1/4"	1/4"	1/8"	00000000	000000
				41	ANSI	1/2"	96	15 9/16"	Finished	1 1/2"	3/8"	3/16"	00000000	000000

Metal Internal Spur Gears

Save space without losing power. Insert a standard spur gear inside one of these gears for a compact assembly that smoothly transmits motion. These gears have teeth with a 20° pressure angle, the current industry standard. 20° pressure angle gears have thicker, stronger teeth than 14½° pressure angle gears.

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.

Brass—Brass gears are easy to machine, so you can add your own mounting holes and make other alterations. They won't rust when exposed to water.

	OD	ID	Face Wd.	Material		Each
20° Pressure Angle







	Brass

	32	96	3"	3.75"	2.961"	3/16"	Brass	000000	0000000

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	Gear with Round 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.

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

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







				Steel

				0.8	96	76.8	78.4	8	28	8	Round Bore with Set Screw	8	Not Hardened	Black-Oxide 1045 Carbon Steel	00000000	000000


				1	96	96	98	10	40	10	Round Bore	10	Not Hardened	Black-Oxide 1045 Carbon Steel	00000000	00000

Gear Racks


20° Pressure Angle—Rectangular	20° Pressure Angle—Round

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.

	Ht., mm	Face Wd., mm	Dia., mm	Tooth Heat Treatment	Material		Each
20° Pressure Angle—Rectangular







	Steel

	0.8	100	11.5	12.3	8	—	Not Hardened	Black-Oxide 1045 Carbon Steel	00000000	000000


	1	100	11	12	10	—	Not Hardened	Black-Oxide 1045 Carbon Steel	00000000	00000
	1	300	11	12	10	—	Not Hardened	Black-Oxide 1045 Carbon Steel	00000000	00000
	1	500	8.8	9.8	10	—	Not Hardened	1045 Carbon Steel	00000000	00000
	1	1,000	8.8	9.8	10	—	Not Hardened	1045 Carbon Steel	00000000	000000


	20° Pressure Angle—Round







					Steel

					1	500	9	—	—	10	Not Hardened	Black-Oxide 1045 Carbon Steel	00000000	000000

Internal Gears

Image of Product. Front orientation. Internal Spur Gears. Metal Spur Gears.

Save space without losing power. Insert a standard spur gear inside one of these gears for a compact assembly that smoothly transmits 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.

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

	OD, mm	ID, mm	Face Wd., mm	Tooth Heat Treatment	Finished Material		Each
20° Pressure Angle







	Steel

	1	60	60	90	58	10	Not Hardened	Black-Oxide 1045 Carbon Steel	0000000	000000


	1	100	100	130	98	10	Not Hardened	Black-Oxide 1045 Carbon Steel	0000000	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	14 1/2° Pressure Angle, Round Bore

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.

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

Nylon—Nylon gears are wear resistant, but will swell and weaken over time when wet.

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







				Acetal

				48	96	2"	2.04"	1/8"	0.609"	0.25"	Round Bore	1/4"	White	0000000	00000


				32	96	3"	3.06"	3/16"	0.813"	0.313"	Round Bore	5/16"	White	0000000	0000


				14 1/2° Pressure Angle







								Nylon

								48	96	2"	2.04"	1/8"	1"	0.25"	Round Bore	1/4"	White	00000000	00000

Gear Racks

20° Pressure Angle—Rectangular

14 1/2° 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.

Nylon—Nylon gear racks are wear resistant, but will swell and weaken over time when wet.

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







	Acetal

	48	1	0.109"	1/8"	1/8"	Molded	Gray	0000000	00000


	32	1	0.156"	3/16"	3/16"	Molded	Gray	0000000	0000


	14 1/2° Pressure Angle—Rectangular







					Nylon

					48	1	0.109"	1/8"	1/8"	Molded	White	00000000	0000