8mm Keyway Width Sprockets

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System of Measurement

Shaft Diameter

Bushing Trade Number

Keyway Width

Shaft Type

Overall Width

Material

Shaft Mount Type

Width

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

Keyway Depth

Torque

Less than 10,000 in·lbf

Taper

3°

8°

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

Yes

Bushing Type

Quick Disconnect (QD)

Split Tapered

Taper Lock

Fastener Tightening Torque

Performance

Fabrication

45 Products

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







				Bushing Trade Number 1108

				24	22	8	3.3	8°	55	Set Screws	57095K441	000000




						Bushing Trade Number 1210

						24	25	8	3.3	8°	175	Set Screws	57095K454	00000


						25	25	8	3.3	8°	175	Set Screws	57095K455	00000
						28	25	8	3.3	8°	175	Set Screws	57095K456	00000
						30	25	8	3.3	8°	175	Set Screws	57095K457	00000




								Bushing Trade Number 1215

								30	38	8	3.3	8°	175	Set Screws	57095K475	00000




										Bushing Trade Number 1610

										24	25	8	3.3	8°	175	Set Screws	57095K496	00000


										25	25	8	3.3	8°	175	Set Screws	57095K497	00000
										28	25	8	3.3	8°	175	Set Screws	57095K498	00000
										30	25	8	3.3	8°	175	Set Screws	57095K499	00000




												Bushing Trade Number 1615

												24	38	8	3.3	8°	175	Set Screws	57095K528	00000


												28	38	8	3.3	8°	175	Set Screws	57095K531	00000
												30	38	8	3.3	8°	175	Set Screws	57095K532	00000




														Bushing Trade Number 2012

														24	32	8	3.3	8°	280	Set Screws	57095K551	00000


														25	32	8	3.3	8°	280	Set Screws	57095K552	00000
														28	32	8	3.3	8°	280	Set Screws	57095K553	00000
														30	32	8	3.3	8°	280	Set Screws	57095K554	00000




														Bushing Trade Number 2517

		24	44											8	3.3	8°	430	Set Screws	57095K578	00000


		25	44											8	3.3	8°	430	Set Screws	57095K579	00000
		30	44											8	3.3	8°	430	Set Screws	57095K582	00000

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







				Bushing Trade Number SD

				46	8	3.3	108	Sintered Steel	Clamping Screws	24	2344K31	000000


				46	8	3.3	108	Sintered Steel	Clamping Screws	25	2344K32	00000
				46	8	3.3	108	Sintered Steel	Clamping Screws	28	2344K33	00000
				46	8	3.3	108	Sintered Steel	Clamping Screws	30	2344K34	00000




						Bushing Trade Number SDS

						35	8	3.3	108	Sintered Steel	Clamping Screws	24	2344K21	00000


						35	8	3.3	108	Sintered Steel	Clamping Screws	25	2344K22	00000
						35	8	3.3	108	Sintered Steel	Clamping Screws	28	2344K23	00000
						35	8	3.3	108	Sintered Steel	Clamping Screws	30	2344K24	00000




								Bushing Trade Number SF

								52	8	3.3	360	Sintered Steel	Clamping Screws	30	2344K75	00000




										Bushing Trade Number SH

										33	8	3.3	108	Sintered Steel	Clamping Screws	24	2344K11	00000


										33	8	3.3	108	Sintered Steel	Clamping Screws	25	2344K12	00000
										33	8	3.3	108	Sintered Steel	Clamping Screws	28	2344K13	00000
										33	8	3.3	108	Sintered Steel	Clamping Screws	30	2344K14	00000




												Bushing Trade Number SK

												49	8	3.3	180	Sintered Steel	Clamping Screws	24	2344K41	00000


												49	8	3.3	180	Sintered Steel	Clamping Screws	25	2344K42	00000
												49	8	3.3	180	Sintered Steel	Clamping Screws	28	2344K43	00000
												49	8	3.3	180	Sintered Steel	Clamping Screws	30	2344K44	00000

Split-Tapered Bushings

Steel

Cast Iron

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







				Bushing Trade Number H with Clamping Screws

				24	1 1/4"	8	3	3°	95	9859T721	000000


				25	1 1/4"	8	3	3°	95	9859T722	00000
				28	1 1/4"	8	3	3°	95	9859T723	00000
				30	1 1/4"	8	3	3°	95	9859T724	00000




						Bushing Trade Number H with Clamping Screws, Machine Key

						32	1 1/4"	8	3	3°	95	9859T725	00000


						Cast Iron







										Bushing Trade Number P1 with Clamping Screws, Machine Key

										24	1 15/16"	8	3	3°	192	9859T738	00000


										28	1 15/16"	8	3	3°	192	9859T741	00000
										30	1 15/16"	8	3	3°	192	9859T742	00000