Nylon Gear Racks | McMaster-Carr

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98 Products

About Gears

Compare gear types, measure pitch and module, calculate mounting distance, increase speed or torque, and more.

Plastic Spur Gear Racks

Lightweight and resistant to corrosion and chemicals, these racks match with spur gears to convert rotary motion to linear motion in light duty applications.

For components to mesh correctly, they must have the same pressure angle and pitch/module.

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

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

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

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

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







	Nylon

	—	1	500 mm	11 mm	12 mm	10 mm	Machined	Blue	2662N67	0000000


	—	2	500 mm	23 mm	25 mm	20 mm	Machined	Blue	2662N68	000000
	—	2	1,000 mm	23 mm	25 mm	20 mm	Machined	Blue	2662N71	000000


	14 1/2° Pressure Angle—Rectangular







					Nylon

					48	—	1 ft.	0.109"	1/8"	1/8"	Molded	White	57655K61	00000


					32	—	1 ft.	0.156"	3/16"	3/16"	Molded	White	57655K62	00000
					24	—	1 ft.	0.203"	1/4"	1/4"	Molded	White	57655K63	00000
					20	—	4 ft.	0.325"	3/8"	3/8"	Machined	Green	60435K88	000000
					16	—	1 ft.	0.25"	5/16"	5/16"	Molded	White	57655K64	00000
					16	—	4 ft.	0.438"	1/2"	1/2"	Machined	Green	60435K89	000000
					12	—	4 ft.	0.667"	3/4"	3/4"	Machined	Green	60435K82	000000
					10	—	4 ft.	0.9"	1"	1"	Machined	Green	60435K84	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—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.

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

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

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







				Nylon

				—	1	15	15 mm	17 mm	10 mm	12 mm	10 mm	Round Bore	6 mm	—	—	Blue	2662N415	000000


				—	1	16	16 mm	18 mm	10 mm	12 mm	10 mm	Round Bore	6 mm	—	—	Blue	2662N416	00000
				—	1	18	18 mm	20 mm	10 mm	14 mm	10 mm	Round Bore	6 mm	—	—	Blue	2662N417	00000
				—	1	20	20 mm	22 mm	10 mm	16 mm	10 mm	Round Bore	6 mm	—	—	Blue	2662N418	00000
				—	1	22	22 mm	24 mm	10 mm	18 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N419	00000
				—	1	24	24 mm	26 mm	10 mm	20 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N421	00000
				—	1	25	25 mm	27 mm	10 mm	20 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N422	00000
				—	1	26	26 mm	28 mm	10 mm	20 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N423	00000
				—	1	28	28 mm	30 mm	10 mm	22 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N424	00000
				—	1	30	30 mm	32 mm	10 mm	25 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N425	00000
				—	1	32	32 mm	34 mm	10 mm	26 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N426	00000


				—	1	40	40 mm	42 mm	10 mm	35 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N429	00000
				—	1	50	50 mm	52 mm	10 mm	35 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N433	00000
				—	1	60	60 mm	62 mm	10 mm	35 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N435	00000
				—	1	75	75 mm	77 mm	10 mm	40 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N438	00000
				—	1	80	80 mm	82 mm	10 mm	40 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N439	00000
				—	1	100	100 mm	102 mm	10 mm	40 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N414	00000
				—	1.5	15	22.5 mm	25.5 mm	15 mm	18 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N385	00000
				—	1.5	16	24 mm	27 mm	15 mm	20 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N386	00000
				—	1.5	20	30 mm	33 mm	15 mm	24 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N388	00000
				—	1.5	22	33 mm	36 mm	15 mm	26 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N389	00000


				—	1.5	30	45 mm	48 mm	15 mm	38 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N395	00000
				—	1.5	32	48 mm	51 mm	15 mm	40 mm	10 mm	Round Bore	8 mm	—	—	Blue	2662N396	00000
				—	1.5	50	75 mm	78 mm	15 mm	45 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N403	00000
				—	1.5	80	120 mm	123 mm	15 mm	55 mm	10 mm	Round Bore	12 mm	—	—	Blue	2662N409	000000
				—	1.5	100	150 mm	153 mm	15 mm	60 mm	10 mm	Round Bore	12 mm	—	—	Blue	2662N384	000000
				—	2	12	24 mm	28 mm	20 mm	18 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N444	00000
				—	2	15	30 mm	34 mm	20 mm	24 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N447	00000
				—	2	16	32 mm	36 mm	20 mm	26 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N448	00000
				—	2	18	36 mm	40 mm	20 mm	30 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N449	00000
				—	2	20	40 mm	44 mm	20 mm	32 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N451	00000


				—	2	24	48 mm	52 mm	20 mm	38 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N453	00000
				—	2	25	50 mm	54 mm	20 mm	40 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N454	00000
				—	2	28	56 mm	60 mm	20 mm	45 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N456	00000
				—	2	30	60 mm	64 mm	20 mm	50 mm	10 mm	Round Bore	10 mm	—	—	Blue	2662N457	00000


				14 1/2° Pressure Angle
				Round Bore Keyed Bore






								Nylon

48								—	12	1/4"	0.29"	1/8"	0.188"	0.188"	Round Bore	3/32"	—	—	White	57655K11	00000


48	—							14	0.292"	0.33"	1/8"	0.25"	0.188"	Round Bore	3/32"	—	—	White	57655K12	00000
48	—							16	0.333"	0.37"	1/8"	0.25"	0.188"	Round Bore	1/8"	—	—	White	57655K13	00000
48	—	18						3/8"	0.41"	1/8"	0.313"	0.188"	Round Bore	1/8"	—	—	White	57655K14	00000
48	—	20	0.417"					0.45"	1/8"	0.375"	0.25"	Round Bore	1/8"	—	—	White	57655K15	00000
48	—	24	1/2"					0.54"	1/8"	0.375"	0.25"	Round Bore	1/8"	—	—	White	57655K16	00000
48	—	28	0.583"					0.62"	1/8"	0.5"	0.25"	Round Bore	1/8"	—	—	White	57655K17	00000
48	—	32	0.667"					0.7"	1/8"	0.5"	0.25"	Round Bore	1/8"	—	—	White	57655K18	00000
48	—	36	3/4"					0.79"	1/8"	0.625"	0.25"	Round Bore	3/16"	—	—	White	57655K19	00000
48	—	40	0.833"					0.87"	1/8"	0.625"	0.25"	Round Bore	3/16"	—	—	White	57655K21	00000
48	—	42	7/8"					0.91"	1/8"	0.438"	0.25"	Round Bore	1/4"	—	—	White	57655K22	00000


48	—	48	1"					1.04"	1/8"	0.625"	0.25"	Round Bore	3/16"	—	—	White	57655K24	00000
48	—	56	1.167"					1.2"	1/8"	0.625"	0.25"	Round Bore	3/16"	—	—	White	57655K25	00000
48	—	60	1 1/4"					1.29"	1/8"	0.625"	0.25"	Round Bore	1/4"	—	—	White	57655K26	00000
48	—	64	1.333"					1.37"	1/8"	0.625"	0.25"	Round Bore	1/4"	—	—	White	57655K27	00000
48	—	72	1 1/2"					1.54"	1/8"	0.625"	0.25"	Round Bore	1/4"	—	—	White	57655K28	00000
48	—	80	1.667"					1.7"	1/8"	0.625"	0.25"	Round Bore	1/4"	—	—	White	57655K29	00000
48	—	96	2"					2.04"	1/8"	1"	0.25"	Round Bore	1/4"	—	—	White	57655K31	00000
32	—	12	3/8"					0.44"	3/16"	0.25"	0.188"	Round Bore	1/8"	—	—	White	57655K32	00000
32	—	14	0.438"					0.5"	3/16"	0.313"	0.25"	Round Bore	1/8"	—	—	White	57655K33	00000
32	—	16	1/2"					0.56"	3/16"	0.375"	0.25"	Round Bore	3/16"	—	—	White	57655K34	00000


32	—	18	0.563"					0.63"	3/16"	0.375"	0.25"	Round Bore	3/16"	—	—	White	57655K35	00000
32	—	20	5/8"					0.69"	3/16"	0.5"	0.25"	Round Bore	3/16"	—	—	White	57655K36	00000
32	—	22	0.688"					0.75"	3/16"	0.563"	0.25"	Round Bore	1/4"	—	—	White	57655K37	00000
32	—	24	3/4"					0.81"	3/16"	0.625"	0.25"	Round Bore	3/16"	—	—	White	57655K38	00000
32	—	28	7/8"					0.94"	3/16"	0.625"	0.25"	Round Bore	3/16"	—	—	White	57655K41	00000
32	—	32	1"					1.06"	3/16"	0.625"	0.25"	Round Bore	1/4"	—	—	White	57655K42	00000
32	—	36	1 1/8"					1.19"	3/16"	0.625"	0.25"	Round Bore	1/4"	—	—	White	57655K43	00000
32	—	40	1 1/4"					1.31"	3/16"	0.625"	0.25"	Round Bore	1/4"	—	—	White	57655K45	00000
32	—	48	1 1/2"					1.56"	3/16"	0.625"	0.25"	Round Bore	1/4"	—	—	White	57655K47	00000
32	—	52	1 5/8"					1.69"	3/16"	0.625"	0.25"	Round Bore	1/4"	—	—	White	57655K48	00000


32	—	62	1.938"					2"	1/4"	0.625"	0.375"	Round Bore	3/8"	—	—	White	57655K49	00000
24	—	12	1/2"					0.58"	5/16"	0.375"	0.25"	Round Bore	1/4"	—	—	White	57655K51	00000
24	—	18	3/4"					0.83"	1/4"	0.5"	0.188"	Round Bore	1/4"	—	—	White	57655K52	00000
24	—	24	1"					1.08"	1/4"	0.625"	0.375"	Round Bore	1/4"	—	—	White	57655K53	00000
24	—	84	3 1/2"					3.58"	5/16"	0.844"	0.25"	Round Bore	3/8"	—	—	White	57655K54	00000
20	—	11	0.55"					0.65"	3/8"	0.406"	0.375"	Round/Plain Bore	1/4" to 5/16"	—	—	White	60455K12	00000
20	—	60	3"					3.1"	3/8"	2"	0.5"	Round/Plain Bore	3/8" to 1 1/8"	—	—	White	60455K14	00000
16	—	12	3/4"					0.88"	7/32"	0.438"	0.031"	Round Bore	1/4"	—	—	White	57655K55	00000
16	—	16	1"					1.13"	1/2"	0.812"	0.438"	Round/Plain Bore	1/4" to 1/2"	—	—	White	60455K33	00000
16	—	20	1 1/4"					1.38"	19/64"	0.875"	0.5"	Round Bore	1/2"	—	—	White	57655K56	00000


16	—	24	1 1/2"					1.63"	1/2"	1.313"	0.438"	Round/Plain Bore	1/2" to 5/8"	—	—	White	60455K36	00000
16	—	30	1 7/8"					2"	7/8"	1.625"	0.5"	Round Bore	63/64"	—	—	White	57655K57	00000
16	—	32	2"					2.13"	1/2"	1.75"	0.5"	Round/Plain Bore	1/2" to 1"	—	—	White	60455K38	00000
16	—	36	2 1/4"					2.38"	5/16"	0.75"	0.375"	Round Bore	3/8"	—	—	White	57655K58	00000
16	—	42	2 5/8"	2.75"				5/8"	1.375"	0.25"	Keyed Bore	13/32"	0.125"	0.063"	White	57655K59	00000
16	—	48	3"	3.13"	1/2"			2"	0.5"	Round/Plain Bore	1/2" to 1 1/8"	—	—	White	60455K41	000000
12	—	14	1.167"	1.33"	3/4"			0.906"	0.5"	Round/Plain Bore	1/4" to 1/2"	—	—	White	60455K43	00000
12	—	48	4"	4.17"	3/4"			2.5"	0.75"	Round/Plain Bore	1/2" to 1 3/8"	—	—	White	60455K51	000000
10	—	12	1.2"	1.4"	1"			0.938"	0.625"	Round/Plain Bore	1/4" to 1/2"	—	—	White	60455K52	000000
10	—	20	2"	2.2"	1"	1.719"		0.625"	Round/Plain Bore	3/4" to 7/8"	—	—	White	60455K56	00000

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.

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.

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

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







	Acetal

	—	1.5	500 mm	18.5 mm	20 mm	15 mm	Machined	White	2662N62	0000000




			Nylon

			—	1	500 mm	11 mm	12 mm	10 mm	Machined	Blue	2662N67	000000


			—	2	500 mm	23 mm	25 mm	20 mm	Machined	Blue	2662N68	000000
			—	2	1,000 mm	23 mm	25 mm	20 mm	Machined	Blue	2662N71	000000


			14 1/2° Pressure Angle—Rectangular







							Nylon

							48	—	1 ft.	0.109"	1/8"	1/8"	Molded	White	57655K61	00000


							32	—	1 ft.	0.156"	3/16"	3/16"	Molded	White	57655K62	00000
							24	—	1 ft.	0.203"	1/4"	1/4"	Molded	White	57655K63	00000
							20	—	4 ft.	0.325"	3/8"	3/8"	Machined	Green	60435K88	000000
							16	—	1 ft.	0.25"	5/16"	5/16"	Molded	White	57655K64	00000
							16	—	4 ft.	0.438"	1/2"	1/2"	Machined	Green	60435K89	000000
							12	—	4 ft.	0.667"	3/4"	3/4"	Machined	Green	60435K82	000000
							10	—	4 ft.	0.9"	1"	1"	Machined	Green	60435K84	000000