1/4" Keyway Depth Sprockets

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System of Measurement

Shaft Diameter

Roller Chain Trade Number

Number of Teeth

Shaft Type

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Bore Type

Keyway Width

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Keyway Depth

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Shaft Mount Type

Overall Width

Chain Type

Width

Material

Bushing Trade Number

Chain Standard

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

Sprocket Type

RoHS

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

EAR99

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159 Products

Sprockets

Finished Bore

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.

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.

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

				50	ANSI	5/8"	32	6 3/4"	Finished	1 15/16"	1/2"	1/4"	6236K296	0000000


				50	ANSI	5/8"	34	7 1/8"	Finished	1 15/16"	1/2"	1/4"	6236K308	000000
				50	ANSI	5/8"	35	7 5/16"	Finished	1 15/16"	1/2"	1/4"	6236K739	000000
				50	ANSI	5/8"	36	7 1/2"	Finished	1 15/16"	1/2"	1/4"	6236K353	000000
				50	ANSI	5/8"	38	7 15/16"	Finished	1 15/16"	1/2"	1/4"	2741T112	000000
				50	ANSI	5/8"	40	8 5/16"	Finished	1 15/16"	1/2"	1/4"	6236K745	000000
				50	ANSI	5/8"	42	8 3/4"	Finished	1 15/16"	1/2"	1/4"	6236K388	000000
				50	ANSI	5/8"	45	9 5/16"	Finished	1 15/16"	1/2"	1/4"	6236K751	000000
				50	ANSI	5/8"	48	9 15/16"	Finished	1 15/16"	1/2"	1/4"	6236K398	000000
				50	ANSI	5/8"	54	11 1/8"	Finished	1 15/16"	1/2"	1/4"	2741T209	000000
				50	ANSI	5/8"	60	12 5/16"	Finished	1 15/16"	1/2"	1/4"	6236K853	000000


				50	ANSI	5/8"	70	14 5/16"	Finished	1 15/16"	1/2"	1/4"	2741T309	000000
				50	ANSI	5/8"	72	14 11/16"	Finished	1 15/16"	1/2"	1/4"	2741T409	000000
				60	ANSI	3/4"	16	4 1/4"	Finished	1 15/16"	1/2"	1/4"	6280K479	00000
				60	ANSI	3/4"	17	4 7/16"	Finished	1 15/16"	1/2"	1/4"	6280K639	00000
				60	ANSI	3/4"	18	4 11/16"	Finished	1 15/16"	1/2"	1/4"	6280K709	00000
				60	ANSI	3/4"	19	4 15/16"	Finished	1 15/16"	1/2"	1/4"	6280K719	00000
				60	ANSI	3/4"	20	5 3/16"	Finished	1 15/16"	1/2"	1/4"	6280K59	00000
				60	ANSI	3/4"	21	5 7/16"	Finished	1 15/16"	1/2"	1/4"	6280K31	00000
				60	ANSI	3/4"	22	5 11/16"	Finished	1 15/16"	1/2"	1/4"	6280K33	00000
				60	ANSI	3/4"	23	5 15/16"	Finished	1 15/16"	1/2"	1/4"	6280K41	000000


				60	ANSI	3/4"	24	6 1/8"	Finished	1 15/16"	1/2"	1/4"	6280K42	000000
				60	ANSI	3/4"	25	6 3/8"	Finished	1 15/16"	1/2"	1/4"	6236K483	000000
				60	ANSI	3/4"	26	6 5/8"	Finished	1 15/16"	1/2"	1/4"	6236K409	000000
				60	ANSI	3/4"	28	7 1/8"	Finished	1 15/16"	1/2"	1/4"	6236K421	000000
				60	ANSI	3/4"	30	7 9/16"	Finished	1 15/16"	1/2"	1/4"	6236K484	000000
				60	ANSI	3/4"	32	8 1/16"	Finished	1 15/16"	1/2"	1/4"	6236K472	000000
				60	ANSI	3/4"	34	8 9/16"	Finished	1 15/16"	1/2"	1/4"	6236K511	000000
				60	ANSI	3/4"	35	8 3/4"	Finished	1 15/16"	1/2"	1/4"	6236K488	000000
				60	ANSI	3/4"	36	9"	Finished	1 15/16"	1/2"	1/4"	6236K522	000000
				60	ANSI	3/4"	36	9"	Finished	2"	1/2"	1/4"	6236K535	000000


				60	ANSI	3/4"	36	9"	Finished	2 3/16"	1/2"	1/4"	6236K543	000000
				60	ANSI	3/4"	38	9 1/2"	Finished	1 15/16"	1/2"	1/4"	6236K574	000000
				60	ANSI	3/4"	38	9 1/2"	Finished	2"	1/2"	1/4"	6236K575	000000
				60	ANSI	3/4"	38	9 1/2"	Finished	2 3/16"	1/2"	1/4"	6236K576	000000
				60	ANSI	3/4"	40	10"	Finished	1 15/16"	1/2"	1/4"	6236K555	000000
				60	ANSI	3/4"	40	10"	Finished	2"	1/2"	1/4"	6236K492	000000
				60	ANSI	3/4"	40	10"	Finished	2 3/16"	1/2"	1/4"	6236K493	000000
				60	ANSI	3/4"	42	10 7/16"	Finished	1 15/16"	1/2"	1/4"	6236K603	000000
				60	ANSI	3/4"	42	10 7/16"	Finished	2"	1/2"	1/4"	6236K604	000000
				60	ANSI	3/4"	42	10 7/16"	Finished	2 3/16"	1/2"	1/4"	6236K605	000000


				60	ANSI	3/4"	45	11 3/16"	Finished	1 15/16"	1/2"	1/4"	6236K707	000000
				60	ANSI	3/4"	45	11 3/16"	Finished	2"	1/2"	1/4"	6236K708	000000
				60	ANSI	3/4"	45	11 3/16"	Finished	2 3/16"	1/2"	1/4"	6236K709	000000
				60	ANSI	3/4"	48	11 7/8"	Finished	1 15/16"	1/2"	1/4"	6236K617	000000
60				ANSI	3/4"	48	11 7/8"	Finished	2"	1/2"	1/4"	6236K618	000000
60	ANSI			3/4"	48	11 7/8"	Finished	2 3/16"	1/2"	1/4"	6236K619	000000
60	ANSI			3/4"	54	13 5/16"	Finished	1 15/16"	1/2"	1/4"	2741T123	000000
60	ANSI			3/4"	54	13 5/16"	Finished	2"	1/2"	1/4"	2741T124	000000
60	ANSI			3/4"	54	13 5/16"	Finished	2 3/16"	1/2"	1/4"	2741T125	000000
60	ANSI	3/4"		60	14 3/4"	Finished	1 15/16"	1/2"	1/4"	6236K856	000000
60	ANSI	3/4"	60	14 3/4"	Finished	2"	1/2"	1/4"	6236K588	000000
60	ANSI	3/4"	60	14 3/4"	Finished	2 3/16"	1/2"	1/4"	6236K857	000000
60	ANSI	3/4"	70	17 1/8"	Finished	1 15/16"	1/2"	1/4"	2741T133	000000
60	ANSI	3/4"	70	17 1/8"	Finished	2"	1/2"	1/4"	2741T134	000000
60	ANSI	3/4"	70	17 1/8"	Finished	2 3/16"	1/2"	1/4"	2741T135	000000
60	ANSI	3/4"	72	17 5/8"	Finished	1 15/16"	1/2"	1/4"	2741T143	000000
60	ANSI	3/4"	72	17 5/8"	Finished	2"	1/2"	1/4"	2741T144	000000
60	ANSI	3/4"	72	17 5/8"	Finished	2 3/16"	1/2"	1/4"	2741T145	000000
80	ANSI	1"	13	4 11/16"	Finished	1 7/8"	1/2"	1/4"	6280K3	00000
80	ANSI	1"	13	4 11/16"	Finished	1 15/16"	1/2"	1/4"	6280K549	00000
80	ANSI	1"	14	5"	Finished	1 7/8"	1/2"	1/4"	6280K34	00000
80	ANSI	1"	14	5"	Finished	1 15/16"	1/2"	1/4"	6280K559	00000
80	ANSI	1"	15	5 5/16"	Finished	1 7/8"	1/2"	1/4"	6280K299	00000
80	ANSI	1"	15	5 5/16"	Finished	1 15/16"	1/2"	1/4"	6280K569	00000
80	ANSI	1"	15	5 5/16"	Finished	2"	1/2"	1/4"	6280K644	00000
80	ANSI	1"	15	5 5/16"	Finished	2 3/16"	1/2"	1/4"	6280K645	00000
80	ANSI	1"	16	5 5/8"	Finished	1 15/16"	1/2"	1/4"	6280K578	00000
80	ANSI	1"	16	5 5/8"	Finished	2"	1/2"	1/4"	6280K424	00000
80	ANSI	1"	16	5 5/8"	Finished	2 3/16"	1/2"	1/4"	6280K425	00000
80	ANSI	1"	17	5 15/16"	Finished	1 15/16"	1/2"	1/4"	6280K739	000000
80	ANSI	1"	17	5 15/16"	Finished	2"	1/2"	1/4"	6280K427	000000
80	ANSI	1"	17	5 15/16"	Finished	2 3/16"	1/2"	1/4"	6280K428	000000
80	ANSI	1"	18	6 1/4"	Finished	1 15/16"	1/2"	1/4"	6280K749	000000
80	ANSI	1"	18	6 1/4"	Finished	2"	1/2"	1/4"	6280K435	000000
80	ANSI	1"	18	6 1/4"	Finished	2 3/16"	1/2"	1/4"	6280K436	000000
80	ANSI	1"	19	6 9/16"	Finished	1 15/16"	1/2"	1/4"	6280K759	000000
80	ANSI	1"	19	6 9/16"	Finished	2"	1/2"	1/4"	6280K14	000000
80	ANSI	1"	19	6 9/16"	Finished	2 3/16"	1/2"	1/4"	6280K141	000000
80	ANSI	1"	20	6 15/16"	Finished	1 15/16"	1/2"	1/4"	6280K769	000000
80	ANSI	1"	20	6 15/16"	Finished	2"	1/2"	1/4"	6280K539	000000
80	ANSI	1"	20	6 15/16"	Finished	2 3/16"	1/2"	1/4"	6280K54	000000
100	ANSI	1 1/4"	11	5"	Finished	2"	1/2"	1/4"	2741T236	000000
100	ANSI	1 1/4"	12	5 7/16"	Finished	2"	1/2"	1/4"	2741T246	000000
100	ANSI	1 1/4"	13	5 13/16"	Finished	2"	1/2"	1/4"	2741T256	000000
100	ANSI	1 1/4"	14	6 1/4"	Finished	2"	1/2"	1/4"	2741T264	000000
100	ANSI	1 1/4"	15	6 5/8"	Finished	2"	1/2"	1/4"	2741T274	000000
100	ANSI	1 1/4"	16	7"	Finished	2"	1/2"	1/4"	2741T283	000000
100	ANSI	1 1/4"	17	7 7/16"	Finished	2"	1/2"	1/4"	2741T293	000000
100	ANSI	1 1/4"	18	7 13/16"	Finished	2"	1/2"	1/4"	2741T313	000000
100	ANSI	1 1/4"	19	8 1/4"	Finished	2"	1/2"	1/4"	2741T323	000000
100	ANSI	1 1/4"	20	8 5/8"	Finished	2"	1/2"	1/4"	2741T333	000000



		Wear-Resistant Steel with Hardened Teeth

		60	ANSI	3/4"	16	4 1/4"	Finished	1 15/16"	1/2"	1/4"	2500T635	00000


		60	ANSI	3/4"	17	4 7/16"	Finished	1 15/16"	1/2"	1/4"	2500T638	00000
		60	ANSI	3/4"	18	4 11/16"	Finished	1 15/16"	1/2"	1/4"	2500T646	00000
		60	ANSI	3/4"	19	4 15/16"	Finished	1 15/16"	1/2"	1/4"	2500T649	00000
		60	ANSI	3/4"	20	5 3/16"	Finished	1 15/16"	1/2"	1/4"	2500T657	00000
		80	ANSI	1"	13	4 11/16"	Finished	1 7/8"	1/2"	1/4"	2500T115	00000
		80	ANSI	1"	13	4 11/16"	Finished	1 15/16"	1/2"	1/4"	2500T658	00000
		80	ANSI	1"	13	4 11/16"	Finished	2"	1/2"	1/4"	2500T116	00000
		80	ANSI	1"	13	4 11/16"	Finished	2 3/16"	1/2"	1/4"	2500T117	00000
		80	ANSI	1"	14	5"	Finished	1 7/8"	1/2"	1/4"	2500T118	00000
		80	ANSI	1"	14	5"	Finished	1 15/16"	1/2"	1/4"	2500T668	00000


		80	ANSI	1"	14	5"	Finished	2"	1/2"	1/4"	2500T119	00000
		80	ANSI	1"	14	5"	Finished	2 3/16"	1/2"	1/4"	2500T201	00000
		80	ANSI	1"	15	5 5/16"	Finished	1 7/8"	1/2"	1/4"	2500T202	00000
		80	ANSI	1"	15	5 5/16"	Finished	1 15/16"	1/2"	1/4"	2500T678	00000
		80	ANSI	1"	15	5 5/16"	Finished	2"	1/2"	1/4"	2500T679	00000
		80	ANSI	1"	15	5 5/16"	Finished	2 3/16"	1/2"	1/4"	2500T203	00000
		80	ANSI	1"	16	5 5/8"	Finished	1 15/16"	1/2"	1/4"	2500T688	000000
		80	ANSI	1"	16	5 5/8"	Finished	2"	1/2"	1/4"	2500T689	000000
		80	ANSI	1"	16	5 5/8"	Finished	2 3/16"	1/2"	1/4"	2500T204	000000
		80	ANSI	1"	17	5 15/16"	Finished	1 15/16"	1/2"	1/4"	2500T814	000000


		80	ANSI	1"	17	5 15/16"	Finished	2"	1/2"	1/4"	2500T815	000000
		80	ANSI	1"	17	5 15/16"	Finished	2 3/16"	1/2"	1/4"	2500T816	000000
		80	ANSI	1"	18	6 1/4"	Finished	1 15/16"	1/2"	1/4"	2500T818	000000
		80	ANSI	1"	18	6 1/4"	Finished	2"	1/2"	1/4"	2500T819	000000
		80	ANSI	1"	18	6 1/4"	Finished	2 3/16"	1/2"	1/4"	2500T827	000000
		80	ANSI	1"	19	6 9/16"	Finished	1 15/16"	1/2"	1/4"	2500T387	000000
		80	ANSI	1"	19	6 9/16"	Finished	2"	1/2"	1/4"	2500T388	000000
		80	ANSI	1"	19	6 9/16"	Finished	2 3/16"	1/2"	1/4"	2500T389	000000
		80	ANSI	1"	20	6 15/16"	Finished	1 15/16"	1/2"	1/4"	2500T395	000000
		80	ANSI	1"	20	6 15/16"	Finished	2"	1/2"	1/4"	2500T396	000000


		80	ANSI	1"	20	6 15/16"	Finished	2 3/16"	1/2"	1/4"	2500T397	000000

Taper-Lock Bushings

Mount these hubless bushings flush into your sprocket or pulley for a slim profile with no protruding screws. They are for use with taper-lock sprockets of the same bushing trade number. As you tighten the included set screws, the bushing grips the shaft and pulls it into your sprocket or pulley.

			Keyway
	For Shaft Dia.	Overall Wd.	Wd.	Dp.	Taper	Fastener Tightening Torque, in·lbf	Includes		Each
Steel







				Bushing Trade Number 2012

				1 7/8"	1 1/4"	1/2"	1/4"	8°	280	Set Screws	57095K192	000000




						Bushing Trade Number 2517

						1 13/16"	1 3/4"	1/2"	1/4"	8°	430	Set Screws	57095K566	00000


						1 7/8"	1 3/4"	1/2"	1/4"	8°	430	Set Screws	57095K228	00000
						1 15/16"	1 3/4"	1/2"	1/4"	8°	430	Set Screws	57095K236	00000
						2"	1 3/4"	1/2"	1/4"	8°	430	Set Screws	57095K216	00000
						2 1/8"	1 3/4"	1/2"	1/4"	8°	430	Set Screws	57095K217	00000
						2 3/16"	1 3/4"	1/2"	1/4"	8°	430	Set Screws	57095K237	00000
						2 1/4"	1 3/4"	1/2"	1/4"	8°	430	Set Screws	57095K218	00000




								Bushing Trade Number 3020

								1 7/8"	2"	1/2"	1/4"	8°	800	Set Screws	57095K329	00000


								1 15/16"	2"	1/2"	1/4"	8°	800	Set Screws	57095K322	00000
								2"	2"	1/2"	1/4"	8°	800	Set Screws	57095K333	00000
								2 1/8"	2"	1/2"	1/4"	8°	800	Set Screws	57095K337	00000
								3"	2"	3/4"	1/4"	8°	800	Machine Key, Set Screws	57095K352	00000


								Cast Iron







												Bushing Trade Number 2525

												2"	2 1/2"	1/2"	1/4"	8°	430	Set Screws	57095K239	00000




														Bushing Trade Number 3030

														1 7/8"	3"	1/2"	1/4"	8°	800	Set Screws	57095K649	000000


														1 15/16"	3"	1/2"	1/4"	8°	800	Set Screws	57095K642	000000
														2"	3"	1/2"	1/4"	8°	800	Set Screws	57095K653	000000




														Bushing Trade Number 3535

														1 7/8"	3 1/2"	1/2"	1/4"	8°	1,000	Set Screws	57095K379	000000


		1 15/16"	3 1/2"											1/2"	1/4"	8°	1,000	Set Screws	57095K372	000000
		2"	3 1/2"											1/2"	1/4"	8°	1,000	Set Screws	57095K382	000000




				Bushing Trade Number 4040

				1 15/16"	4"									1/2"	1/4"	8°	1,700	Set Screws	57095K713	000000


				2"	4"									1/2"	1/4"	8°	1,700	Set Screws	57095K719	000000




														Bushing Trade Number 4545

														2"	4 1/2"	1/2"	1/4"	8°	2,450	Set Screws	57095K756	000000

Quick-Disconnect (QD) Bushings


Clamp-On Shaft Mount

The screw connections on these bushings easily mate to compatible quick-disconnect sprockets and pulleys. Bushings fit quick-disconnect (QD) sprockets and pulleys of the same bushing trade number. As you tighten the included screws, the bushing grips the shaft and pulls it into the sprocket or pulley.

		Keyway
	Overall Wd.	Wd.	Dp.	Fastener Tightening Torque, in·lbf	Material	Includes	For Shaft Dia.		Each
Clamp-On Shaft Mount







				Bushing Trade Number SF

				2 1/16"	1/2"	1/4"	360	Sintered Steel	Clamping Screws	1 7/8"	6086K632	000000


				2 1/16"	1/2"	1/4"	360	Sintered Steel	Clamping Screws	1 15/16"	6086K633	00000
				2 1/16"	1/2"	1/4"	360	Sintered Steel	Clamping Screws	2"	6086K634	00000
				2 1/16"	1/2"	1/4"	360	Sintered Steel	Clamping Screws	2 1/8"	6086K635	00000
				2 1/16"	1/2"	1/4"	360	Sintered Steel	Clamping Screws	2 3/16"	6086K636	00000
				2 1/16"	1/2"	1/4"	360	Sintered Steel	Clamping Screws	2 1/4"	6086K637	00000




						Bushing Trade Number SK

						1 15/16"	1/2"	1/4"	180	Sintered Steel	Clamping Screws	1 7/8"	6086K528	00000


						1 15/16"	1/2"	1/4"	180	Sintered Steel	Clamping Screws	1 15/16"	6086K529	00000
						1 15/16"	1/2"	1/4"	180	Sintered Steel	Clamping Screws	2"	6086K531	00000
						1 15/16"	1/2"	1/4"	180	Sintered Steel	Clamping Screws	2 1/8"	6086K532	00000

Split-Tapered Bushings

Steel

The tapered barrel on these bushings is split on both sides, allowing them to contract more tightly around the shaft than quick-disconnect and taper-lock bushings. They're for use with split-tapered sprockets and pulleys of the same bushing trade number. As you tighten the included screws, the bushing grips the shaft and pulls it into the sprocket or pulley.

Machine Key—Bushings with a machine key fit into a matching keyway on a sprocket or pulley for high-torque applications.

			Keyway
	For Shaft Dia.	Overall Wd.	Wd.	Dp.	Taper	Fastener Tightening Torque, in·lbf		Each
Steel







				Bushing Trade Number Q1 with Clamping Screws, Machine Key

				1 7/8"	2 1/2"	1/2"	1/4"	3°	348	9859T612	000000


				2"	2 1/2"	1/2"	1/4"	3°	348	9859T613	00000