Press Fit Mount Sprockets

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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199 Products

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—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.

Sleeve Bearing—With no moving parts, sleeve bearings are best for dirty environments. They generate more friction than ball bearings, making them less suitable for high-speed applications. Made of porous bronze embedded with oil, all are self-lubricating.

Needle-Roller Bearing—These bearings rotate smoothly under your heaviest loads.

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

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







				Steel

				25	ANSI	1/4"	20	3/8"	1 3/4"	Steel	6663K11	000000


				35	ANSI	3/8"	19	3/8"	2 1/2"	Steel	6663K21	00000
				35	ANSI	3/8"	19	1/2"	2 1/2"	Steel	6663K22	00000
				40	ANSI	1/2"	18	1/2"	3 1/8"	Steel	6663K41	00000
				40	ANSI	1/2"	18	5/8"	3 1/8"	Steel	6663K42	00000
				41	ANSI	1/2"	18	1/2"	3 1/8"	Steel	6663K31	00000
				41	ANSI	1/2"	18	5/8"	3 1/8"	Steel	6663K32	00000
				50	ANSI	5/8"	17	1/2"	3 3/4"	Steel	6663K51	00000
				50	ANSI	5/8"	17	5/8"	3 3/4"	Steel	6663K52	00000
				60	ANSI	3/4"	15	1/2"	4"	Steel	6663K61	00000
				60	ANSI	3/4"	15	5/8"	4"	Steel	6663K62	00000


				80	ANSI	1"	12	3/4"	4 5/16"	Steel	6663K63	00000
				100	ANSI	1 1/4"	11	3/4"	5"	Steel	6663K291	000000
				120	ANSI	1 1/2"	10	1"	5 1/2"	Steel	6663K292	000000
				05B	ISO	8 mm	23	16 mm	62 mm	Steel	4182N11	00000
				06B	ISO	3/8"	21	16 mm	68 mm	Steel	4182N12	00000
				08B	ISO	1/2"	16	16 mm	70 mm	Steel	4182N15	00000
				08B	ISO	1/2"	18	16 mm	78 mm	Steel	4182N16	00000
				10B	ISO	5/8"	15	16 mm	93 mm	Steel	4182N17	00000
				10B	ISO	5/8"	17	16 mm	93 mm	Steel	4182N18	00000
				12B	ISO	3/4"	15	16 mm	100 mm	Steel	4182N19	00000


				16B	ISO	1"	12	20 mm	109 mm	Steel	4182N2	00000




						Wear-Resistant Steel with Hardened Teeth

						25	ANSI	1/4"	20	3/8"	1 3/4"	Steel	6663K191	00000


						35	ANSI	3/8"	19	3/8"	2 1/2"	Steel	6663K192	00000
						35	ANSI	3/8"	19	1/2"	2 1/2"	Steel	6663K1	00000
						35	ANSI	3/8"	20	5/8"	2 9/16"	Steel	6663K23	00000
						40	ANSI	1/2"	17	5/8"	3"	Steel	6663K43	00000
						40	ANSI	1/2"	18	1/2"	3 1/8"	Steel	6663K193	00000
						40	ANSI	1/2"	18	5/8"	3 1/8"	Steel	6663K194	00000
						40	ANSI	1/2"	25	5/8"	4 1/4"	Steel	6663K201	00000
						40	ANSI	1/2"	35	5/8"	5 7/8"	Steel	6663K202	00000
						40	ANSI	1/2"	48	5/8"	7 15/16"	Steel	6663K203	00000
						41	ANSI	1/2"	18	1/2"	3 1/8"	Steel	6663K2	00000


						41	ANSI	1/2"	18	5/8"	3 1/8"	Steel	6663K3	00000
						50	ANSI	5/8"	15	5/8"	3 5/16"	Steel	6663K44	00000
						50	ANSI	5/8"	17	1/2"	3 3/4"	Steel	6663K195	00000
						50	ANSI	5/8"	17	5/8"	3 3/4"	Steel	6663K196	00000
						50	ANSI	5/8"	25	3/4"	5 5/16"	Steel	6663K204	00000
						50	ANSI	5/8"	39	3/4"	8 1/8"	Steel	6663K205	000000
60						ANSI	3/4"	12	5/8"	3 1/4"	Steel	6663K206	00000
60	ANSI					3/4"	13	5/8"	3 1/2"	Steel	6663K53	00000
60	ANSI					3/4"	15	5/8"	4"	Steel	6663K197	00000
60	ANSI					3/4"	17	5/8"	4 7/16"	Steel	6663K198	000000


80	ANSI	1"	12			3/4"	4 5/16"	Steel	6663K4	00000


Sleeve Bearing







						Steel

						35	ANSI	3/8"	15	1/2"	2"	Bronze	6663K81	00000


						35	ANSI	3/8"	21	7/8"	2 11/16"	Bronze	6663K82	00000
						40	ANSI	1/2"	13	1/2"	2 5/16"	Bronze	6663K85	00000
						40	ANSI	1/2"	19	7/8"	3 5/16"	Bronze	6663K86	00000
						50	ANSI	5/8"	13	1/2"	2 15/16"	Bronze	6663K87	00000
						50	ANSI	5/8"	17	7/8"	3 3/4"	Bronze	6663K88	00000
						60	ANSI	3/4"	15	7/8"	4"	Bronze	6663K89	00000
						60	ANSI	3/4"	17	1 1/8"	4 7/16"	Bronze	6663K91	000000
						80	ANSI	1"	15	1 1/8"	5 5/16"	Bronze	6663K92	000000




								Wear-Resistant Steel with Hardened Teeth

								35	ANSI	3/8"	20	1/2"	2 9/16"	Bronze	6663K12	00000


								40, 41	ANSI	1/2"	15	1/2"	2 5/8"	Bronze	6663K13	00000
				50				ANSI	5/8"	15	1/2"	3 5/16"	Bronze	6663K14	00000
				60	ANSI			3/4"	14	1/2"	3 3/4"	Bronze	6663K15	00000


				Needle-Roller Bearing







										Wear-Resistant Steel with Hardened Teeth

										25	ANSI	1/4"	19	1/2"	1 5/8"	Bronze	6663K71	00000


										35	ANSI	3/8"	13	1/2"	1 3/4"	Bronze	6663K72	00000
										35	ANSI	3/8"	19	1"	2 1/2"	Bronze	6663K73	00000
										40	ANSI	1/2"	19	1"	3 5/16"	Bronze	6663K75	000000
										41	ANSI	1/2"	19	1"	3 5/16"	Bronze	6663K74	000000
										50	ANSI	5/8"	17	1"	3 3/4"	Bronze	6663K76	000000
										60	ANSI	3/4"	17	1"	4 7/16"	Bronze	6663K77	000000
										80	ANSI	1"	13	1"	4 11/16"	Bronze	6663K78	000000
										100	ANSI	1 1/4"	11	1 1/2"	5"	Bronze	6663K207	000000
										120	ANSI	1 1/2"	11	1 1/2"	6"	Bronze	6663K208	000000
										140	ANSI	1 3/4"	11	1 1/2"	7"	Bronze	6663K209	000000


										160	ANSI	2"	9	1 1/2"	6 11/16"	Bronze	6663K211	000000

For Double 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.

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	For Shaft Dia.	OD	Bearing Material		Each
Ball Bearing







				Steel

				35-2	ANSI	3/8"	19	1/2"	2 1/2"	Steel	6260K1	000000


				35-2	ANSI	3/8"	19	5/8"	2 1/2"	Steel	6260K2	00000
				40-2	ANSI	1/2"	18	1/2"	3 1/8"	Steel	6260K3	000000
				40-2	ANSI	1/2"	18	5/8"	3 1/8"	Steel	6260K4	000000
				50-2	ANSI	5/8"	17	1/2"	3 3/4"	Steel	6260K5	000000
				50-2	ANSI	5/8"	17	5/8"	3 3/4"	Steel	6260K6	000000
				60-2	ANSI	3/4"	15	1/2"	4"	Steel	6260K7	000000
				60-2	ANSI	3/4"	15	5/8"	4"	Steel	6260K8	000000
				80-2	ANSI	1"	12	3/4"	4 5/16"	Steel	6260K9	000000

Plastic Sprockets

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.

	No. of Teeth	OD	Bore Type	For Shaft Dia.		Each
For Single Strand



	0.1227"	8	3/8"	Plain	1/8"	64205K71	00000


	0.1227"	9	7/16"	Plain	1/8"	64205K11	0000
	0.1227"	10	7/16"	Plain	1/8"	64205K731	0000
	0.1227"	12	9/16"	Plain	1/4"	64205K743	0000
	0.1227"	15	5/8"	Plain	1/4"	64205K12	0000
	0.1227"	16	11/16"	Plain	1/4"	64205K13	0000
	0.1227"	18	3/4"	Plain	1/4"	64205K14	0000
	0.1227"	20	7/8"	Plain	3/8"	64205K784	0000
	0.1227"	24	1"	Plain	1/4"	64205K792	0000
	0.1227"	30	1 1/4"	Plain	1/4"	64205K15	0000
	0.1227"	32	1 5/16"	Plain	3/8"	64205K16	0000


	0.1227"	36	1 1/2"	Plain	1/4"	64205K831	0000
	0.1227"	40	1 5/8"	Plain	1/4"	64205K841	0000
	0.1227"	48	1 15/16"	Plain	1/4"	64205K851	0000

Plastic Idler 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. All of these sprockets maintain constant tension on your roller chain to reduce wear and vibration. They 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—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.

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



		40	ANSI	1/2"	17	5/8"	3"	Steel	8255K11	000000


		40	ANSI	1/2"	17	3/4"	3"	Steel	8255K31	00000
		50	ANSI	5/8"	15	5/8"	3 5/16"	Steel	8255K12	00000
		50	ANSI	5/8"	15	3/4"	3 5/16"	Steel	8255K32	00000
		60	ANSI	3/4"	13	5/8"	3 1/2"	Steel	8255K13	00000
		60	ANSI	3/4"	13	3/4"	3 1/2"	Steel	8255K33	00000
		80	ANSI	1"	12	5/8"	4 3/8"	Steel	8255K14	00000

GT Timing Belt Idler Pulleys

Toothed

Get pitch-perfect compatibility with these free-spinning pulleys. They mesh with belts that have curved GT-profile teeth, reducing vibration and wear. As they rotate on their bearings, these pulleys press up against belts to reduce slack and keep the system moving smoothly. All are compatible with GatesPowerGrip GT, 2GT, GT2, GT3, and GT4 series. Idler pulleys are often used with belt tensioners.

Iron—Strong, but best for dry environments since moisture will cause them to rust.

						Toothed
	For Max. Belt Wd., mm	Pitch, mm	For Shaft Dia., mm	OD, mm	Bearing Type	No. of Teeth		Each
For 8MGT Trade Size







				Iron

				20	8	20	90	Roller	32	7769N21	0000000


				30	8	30	100	Roller	36	7769N22	000000
				62	8	30	100	Roller	36	7769N28	000000


				For 14MGT Trade Size







								Iron

								37	14	40	146	Roller	30	7769N31	000000

Timing Belt Idler Pulleys

Reduce vibration and wear on your timing belt with idler pulleys that maintain constant tension. Their trapezoidal teeth mesh with matching grooves on your timing belt, pressing against the belt to take up slack. Plus, they rotate freely on bearings to keep the belt moving smoothly. Idler pulleys are often used with belt tensioners.

Steel and Iron—Strong, but best for dry environments since moisture will cause them to rust.

	For Shaft Dia.	OD	Bearing Type		Each
For XL Trade Size







	Steel

	1/2"	24	0.2"	1/2"	1 1/2"	Roller	7769N12	000000


	3/4"	22	0.2"	1/2"	1 3/8"	Roller	7769N11	00000


	For L Trade Size







					Steel

					1"	18	0.375"	1"	2 1/8"	Roller	7769N13	00000


					1"	22	0.375"	1"	2 5/8"	Roller	7769N14	00000


					For H Trade Size







									Steel

									1"	16	0.5"	1"	2 1/2"	Roller	7769N15	00000


									2"	16	0.5"	1"	2 1/2"	Roller	7769N16	00000




											Iron

											3"	18	0.5"	1"	2 13/16"	Roller	7769N17	000000

HTD Timing Belt Idler Pulleys

Keep HTD timing belt systems running tightly with these idler pulleys. Curved teeth press against the belt as bearings rotate freely, reducing vibration and wear. All are compatible with Gates PowerGrip HTD, Omega HP, and Carlisle RPP series. Idler pulleys are often used with belt tensioners.

Iron—Strong, but best for dry environments since moisture will cause them to rust.

	For Shaft Dia.	OD	Bearing Type		Each
For H8M Trade Size







	Iron

	30	19	8	1"	1 7/8"	Roller	7760N11	000000

Self-Adjusting Spring Bushings

A toothed slot lets these bushings contract for insertion into the bore of your sprocket or pulley and then expand for a snug fit. Made of spring steel, they flex under stress and shock and can handle oscillating or slow rotational motion.

	OD	Overall Wd.	Material		Each
For 1/2" Diameter Shafts



		3/4"	1/2"	Steel	58365K85	000000


		3/4"	3/4"	Steel	58365K31	00000
		3/4"	1"	Steel	58365K32	00000


		For 3/4" Diameter Shafts



				1"	1/2"	Steel	58365K33	0000


				1"	5/8"	Steel	58365K101	0000
				1"	3/4"	Steel	58365K11	0000
				1"	1"	Steel	58365K12	0000
				1"	1 1/4"	Steel	58365K34	0000
				1"	1 1/2"	Steel	58365K13	0000
				1"	2"	Steel	58365K35	00000


				For 1" Diameter Shafts



						1 1/4"	1/2"	Steel	58365K36	0000


						1 1/4"	5/8"	Steel	58365K37	0000
						1 1/4"	3/4"	Steel	58365K38	0000
						1 1/4"	7/8"	Steel	58365K39	0000
						1 1/4"	1"	Steel	58365K14	0000
						1 1/4"	1 1/4"	Steel	58365K41	0000
						1 1/4"	1 1/2"	Steel	58365K15	0000
						1 1/4"	2"	Steel	58365K16	00000
						1 1/4"	2 1/2"	Steel	58365K102	00000
						1 1/4"	3"	Steel	58365K103	00000
						1 3/8"	3/4"	Steel	58365K104	00000


						1 3/8"	1"	Steel	58365K106	00000
						1 3/8"	1 1/4"	Steel	58365K105	00000
						1 1/2"	1"	Steel	58365K107	00000
						1 1/2"	1 1/2"	Steel	58365K108	00000


						For 1 1/8" Diameter Shafts



								1 3/8"	1"	Steel	58365K43	00000


								1 3/8"	1 1/2"	Steel	58365K44	00000


								For 1 1/4" Diameter Shafts



1 1/2"										1/2"	Steel	58365K45	0000


1 1/2"	3/4"									Steel	58365K46	0000
1 1/2"	1"									Steel	58365K17	0000
1 1/2"	1 1/4"									Steel	58365K47	0000
1 1/2"	1 1/2"									Steel	58365K18	00000
1 1/2"	2"									Steel	58365K19	00000
1 1/2"	2 1/2"									Steel	58365K48	00000
1 1/2"	3"									Steel	58365K49	00000
1 5/8"	1"									Steel	58365K109	00000
1 5/8"	1 1/4"	Steel								58365K111	00000
1 5/8"	1 1/2"	Steel	58365K112							00000


1 5/8"	2"	Steel	58365K113							00000


For 1 3/8" Diameter Shafts



		1 5/8"	1 1/2"							Steel	58365K114	00000


		1 3/4"	1 1/4"							Steel	58365K51	00000
		1 3/4"	1 1/2"							Steel	58365K52	00000
		1 3/4"	2"	Steel						58365K53	00000


		For 1 1/2" Diameter Shafts



				1 3/4"	1/2"					Steel	58365K54	0000


				1 3/4"	3/4"					Steel	58365K55	0000
				1 3/4"	1"					Steel	58365K56	00000
				1 3/4"	1 1/4"					Steel	58365K57	00000
				1 3/4"	1 1/2"					Steel	58365K21	00000
				1 3/4"	2"					Steel	58365K58	00000
				1 3/4"	2 1/2"					Steel	58365K59	00000
				1 3/4"	2 3/4"					Steel	58365K61	00000
				1 7/8"	3/4"					Steel	58365K115	00000
				1 7/8"	1"					Steel	58365K116	00000
				1 7/8"	1 1/4"					Steel	58365K117	00000


				1 7/8"	1 1/2"					Steel	58365K118	00000
				1 7/8"	2"					Steel	58365K119	00000
				2"	1"					Steel	58365K121	00000
				2"	1 1/4"	Steel				58365K122	00000
				2"	1 1/2"	Steel	58365K123			00000
				2"	2"	Steel	58365K124			00000
				2"	3"	Steel	58365K125			00000


				For 1 3/4" Diameter Shafts



						2"	1"	Steel		58365K62	00000


						2"	1 1/4"	Steel	58365K63	00000
						2"	1 1/2"	Steel	58365K64	00000
						2"	2"	Steel	58365K126	00000


						For 2" Diameter Shafts



								2 1/4"	1"	Steel	58365K132	00000


								2 1/4"	1 1/2"	Steel	58365K65	00000
								2 1/4"	2"	Steel	58365K66	00000
								2 1/4"	2 1/2"	Steel	58365K28	00000
								2 1/4"	3"	Steel	58365K133	00000
								2 3/8"	3/4"	Steel	58365K127	00000
								2 3/8"	1"	Steel	58365K128	00000
2 3/8"								1 1/4"	Steel	58365K129	00000
2 3/8"	1 1/2"							Steel	58365K131	00000
2 3/8"	2"							Steel	58365K134	00000
2 3/8"	3"							Steel	58365K135	00000


2 1/2"	1"							Steel	58365K67	00000
2 1/2"	1 1/2"							Steel	58365K68	00000
2 1/2"	2"							Steel	58365K69	00000
2 1/2"	2 1/2"							Steel	58365K71	00000
2 1/2"	3"							Steel	58365K72	00000


For 2 1/2" Diameter Shafts



		3"	1 1/2"					Steel	58365K74	00000


		3"	2"					Steel	58365K75	00000
		3"	3"					Steel	58365K77	00000


		For 3" Diameter Shafts



								3 1/2"	1 1/2"	Steel	58365K79	00000


								3 1/2"	2"	Steel	58365K81	00000
								3 1/2"	2 1/2"	Steel	58365K82	00000
								3 1/2"	3"	Steel	58365K83	00000