Couplings for 2 1/4" Shafts

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System of Measurement

Shaft Diameter

6.000 mm to 10.000 mm

6.000 mm to 12.000 mm

6.000 mm to 16.000 mm

6.000 mm to 20.000 mm

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8 mm

9 mm

9.500 mm to 25.000 mm

9.500 mm to 30.000 mm

9.500 mm to 35.000 mm

10 mm

11 mm

12 mm

12.500 mm to 40.000 mm

Shaft Type

Construction

Component

For Shaft Misalignment Type

Keyway Width

Maximum Torque

Less than 10,000 in·lbf

10,000 in·lbf to 19,999 in·lbf

30,000 in·lbf to 39,999 in·lbf

40,000 in·lbf or greater

Material

Flexible Shaft Coupling Type

Flexible Shaft Coupling Trade Size

Number of Teeth

Shaft Mount Type

For Rotary Motion

Keyway Depth

Overall Length

Number of Set Screws Included

Shaft Coupling Flexibility

Performance

Highly Tear Resistant

Set Screw Material

DFARS Specialty Metals

Exempt

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

Yes

Export Control Classification Number (ECCN)

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61 Products

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High-Torque Spider Couplings

With a thick split spider in the center, these transmit higher torque than standard split spider couplings. Connect them to pumps, mixers, and other equipment that generates heavy torque. The spider also prevents metal-to-metal contact between the hubs, so there's no need for lubrication. For a complete coupling, select two hubs, one split spider, and one split spider cover. Choose components with the same trade size to ensure they'll fit together.

Hubs

The metal body mounts onto shafts to transmit torque from one shaft to the other through the flexible center.

Steel—Best for dry environments, since moisture will cause these hubs to rust.

Set-Screw Shaft Mount—Screws dig into your shaft for a secure hold.

	Shaft Mount Type	For Shaft Diameter		Each
Keyed







	Steel

	3 33/64"	QF50	6 1/16"	Set Screw	2 1/4"	3565N9	0000000

Split Spiders

Unlike standard spiders, you can install these without using tools, removing hubs, or realigning shafts. Hold them in place with a retaining ring.

Urethane Rubber—Tough, with plastic-like tear resistance. Higher-durometer spiders are more rigid for more precise positioning, but they absorb less vibration.

					Misalignment Capability
	For Hub OD	Shaft Coupling Trade Size	Max. Rotation Speed, rpm	Max. Torque, in·lbf	Parallel	Angular	Axial	Temp. Range, ° F		Each
Durometer 48D (Medium Soft) Urethane Rubber



		3 33/64"	QF50	6,000	7,065	0.038"	2°	0.116"	-60 to 212	3565N51	000000


		Durometer 60D (Medium) Urethane Rubber



				3 33/64"	QF50	6,000	14,000	0.038"	2°	0.116"	-60 to 212	3565N53	00000


				3 33/64"	QF50	6,000	14,000	0.038"	2°	0.116"	-60 to 350	3565N52	000000

Split Spider Covers

Hold split spiders in place to secure the two hubs.

Steel—Best for dry environments, since moisture will cause these covers to rust.

	For Hub OD		Each
Steel



	QF50	3 33/64"	3565N64	0000000

Spider Couplings

With two hubs gripping a rubbery spider in the center, these couplings damp vibration and transfer torque while flexing to handle misaligned shafts. The metal hubs never touch each other, so there's no need for lubrication. Also known as Lovejoy® couplings. For a complete coupling, select two hubs and one spider or two hubs, one split spider, and one retaining ring. Choose components with the same trade size to ensure they'll fit together.

Hubs

The metal body mounts onto shafts to transmit torque from one shaft to the other through the flexible center.

Keyed—Mount onto shafts with a matching keyway.

Iron—Best for dry environments, since moisture will cause these hubs to rust.

Set-Screw Shaft Mount—Screws dig into your shaft for a secure hold.

	Shaft Mount Type	For Shaft Diameter		Each
Keyed







	Iron

	5"	L225	5 11/32"	Set Screw	2 1/4"	6408K22	0000000

Spiders

A flexible center fits between hubs to enable torque transfer and damp vibration.

Buna-N—Best choice for vibration damping and shock absorption with the lowest stiffness and good tear resistance.

Hytrel—Most direct torque transfer with the highest stiffness and least vibration damping.

					Misalignment Capability
	For Hub OD	Shaft Coupling Trade Size	Max. Rotation Speed, rpm	Max. Torque, in·lbf	Parallel	Angular		Each
Buna-N



		5", 127 mm	L225	4,200	2,340	0.015"	1°	6408K62	000000


		Hytrel



				5", 127 mm	L225	4,200	6,225	0.015"	0.5°	6408K64	000000

High-Torque Chain Couplings

A rugged roller chain locks onto teeth on the hubs to withstand high torque. Often found in conveyors, mixers, and crushers, these couplings also compensate for high angular misalignment. Lubricate to maintain smooth motion. For a complete coupling, select two hubs and one roller chain. Choose components of the same trade size to ensure they'll fit together.

Hubs

The metal body mounts onto shafts to transmit torque from one shaft to the other through the flexible center.

Steel—Best for dry environments, since moisture will cause these hubs to rust.

Set-Screw Shaft Mount—Screws dig into your shaft for a secure hold.

Optional Nylon Covers—Withstand grease lubricant and protect hubs from abrasion and corrosion.

Hubs								Optional Nylon Covers
OD	Shaft Coupling Trade Size	Overall Lg.	For Shaft Type	Shaft Mount Type	For Shaft Diameter		Each	OD		Each







			Steel

			5"	6018	3 29/64"	Keyed	Set Screw	2 1/4"	6407K44	000000	6 3/8"	6407K74	0000000

Roller Chain

Lock onto teeth on the hubs to transmit high torque.

Steel—Best for dry environments, since moisture will cause this roller chain to rust.

					Misalignment Capability		Roller Chain
	For Hub OD	Shaft Coupling Trade Size	Max. Rotation Speed, rpm	Max. Torque, in·lbf	Parallel	Angular	Trade No.	Standard		Each
Steel



		5"	6018	3,000	10,900	0.012"	1.5°	60-2	ANSI	6407K54	000000

High-Axial-Misalignment Sleeve Couplings

Flex to handle axial misalignment with the gear-shaped sleeve while transmitting high torque at high speeds. The flexible sleeve between the hubs reduces vibration, absorbs shock, and prevents metal-to-metal contact, so there's no need for lubrication. For a complete coupling, select two hubs and one sleeve. Choose components with the same trade size to ensure they'll fit together.

Hubs

The metal body mounts onto shafts to transmit torque from one shaft to the other through the flexible center.

Cast Iron—Strong and rigid to withstand heavy loads. Keep these hubs dry to prevent rust.

Set-Screw Shaft Mount—Screws dig into your shaft for a secure hold.

	Shaft Coupling Trade Size	Overall Lg.	Shaft Mount Type	For Shaft Diameter		Each
Cast Iron



	5 29/64"	8S	4 7/16"	Set Screw	2 1/4"	6507K12	000000


	7 1/2"	10S	5 11/16"	Set Screw	2 1/4"	6507K8	000000

Sleeves

Install these flexible, cylindrical sleeves between the hubs.

TPE—Flexible rubber that resists water and outdoor conditions.

					Misalignment Capability
	For Hub OD	Shaft Coupling Trade Size	Max. Rotation Speed, rpm	Max. Torque, in·lbf	Parallel	Angular	Axial		Each
TPE



		5 29/64"	8S	4,500	1,135	0.02"	1°	0.125"	6507K75	000000


		7 1/2"	10S	3,600	2,875	0.025"	1°	0.125"	6507K77	000000

Shock-Absorbing Grid Couplings

A strip of flexible spring steel (known as a grid) absorbs sudden load increases from motor startups, emergency braking, and other shock loads. They're commonly found in wire drawing and cutting machines, pulverizers, and mixers. For a complete coupling, select two hubs and a grid kit. Choose components of the same trade size to ensure they'll fit together.

Hubs

The metal body mounts onto shafts to transmit torque from one shaft to the other through the flexible center.

Black-Oxide Steel—Typically chosen for their appearance, these hubs have a dark, matte coating that creates a finished look. They offer minimal corrosion resistance, so they're best for dry environments.

Set-Screw Shaft Mount—Screws dig into your shaft for a secure hold.

For Shaft Type	Shaft Mount Type	For Shaft Diameter		Each







Black-Oxide Steel

6 11/32"	1090T	7 7/8"	Keyed	Set Screw	2 1/4"	3395N8	0000000

Grid Kits

The grid wraps around the teeth of both hubs to spread the force of starts, stops, and reversals. When the shock load hits, the grid flexes to spread out the load. After the load passes, the grid straightens back out.

Spring Steel—Use these hard, rigid grids for high-stress applications. They're best for dry environments, since moisture will cause them to rust.

	Grid Kits									Replacement Grids		Replacement Seals		Additional Grease
					Misalignment Capability
	For Hub OD	Shaft Coupling Trade Size	Max. Rotation Speed, rpm	Max. Torque, in·lbf	Parallel	Angular	Includes		Each		Each		Each		Each
Spring Steel



		6 11/32"	1090T	3,600	33,000	0.016"	0.25°	One Grid, One Two-Piece Grid Cover, Two Paper Gaskets, Two Rubber Seals, Fasteners, Grease	3395N127	0000000	3395N118	0000000	3395N136	000000	8670T12	000000

High-Torque Sleeve Couplings

With a steel sleeve and hubs, these transmit higher torque than other sleeve couplings. Lubricate to reduce friction between the teeth on the hubs and the grooves on the sleeve. For a complete coupling, select two hubs, one sleeve, and one seal kit. Choose components of the same trade size to ensure they'll fit together.

Hubs

The metal body mounts onto shafts to transmit torque from one shaft to the other through the flexible center.

Steel—Best for dry environments, since moisture will cause these hubs to rust.

Press-Fit Shaft Mount—Apply heat to expand these hubs slightly and fit them onto the shaft. They shrink as they cool to form a tight grip on the shaft.

For Shaft Type	Shaft Mount Type	For Shaft Diameter		Each







Steel

5 1/2"	C-2.5	4 3/4"	Keyed	Press Fit	2 1/4"	6454K17	0000000

Sleeves

Fit these strong, rigid cylinders over two hubs to join them.

Steel—Best for dry environments, since moisture will cause these sleeves to rust.

					Misalignment Capability
	For Hub OD	Shaft Coupling Trade Size	Max. Rotation Speed, rpm	Max. Torque, in·lbf	Parallel	Angular	Axial		Each
Steel



		5 1/2"	C-2.5	3,750	30,200	0.007"	1°	0.05"	6454K27	0000000

Seal Kits

Prevent lubricant leaks and keep contaminants out of couplings.

Buna-N and Steel Seal—Rubber seals that keep lubricant in and contaminants out, secured by durable steel rings to ensure a tight seal.

	Shaft Coupling Trade Size	Includes		Each
Buna-N and Steel Seal



	5 1/2"	C-2.5	Two Buna-N Rubber Lubrication Seals, Two Steel Snap Rings	6454K37	0000000

High-Misalignment Tire Couplings

With a large, flexible rubber tire, these withstand the highest misalignment of any coupling while reducing vibration. For a complete coupling, select two hubs, one tire, and two bushings. Choose components of the same trade size to ensure they'll fit together.

Hubs

The metal body mounts onto shafts to transmit torque from one shaft to the other through the flexible center.

Iron and Steel Hub—Best for dry environments, since moisture will cause these hubs to rust.

Clamp-On Shaft Mount—Grip shafts evenly without marring them and hold tighter than set screws. Tighten the clamping screws to secure.

	Hubs						Quick-Disconnect Bushings
	OD	Shaft Coupling Trade Size	Overall Lg.	Shaft Mount Type		Each	Bushing Trade No.	Choose a Shaft Diameter		Each
Iron and Steel Hub



		9 1/4"	L190	5 11/16"	Clamp On	6241K15	0000000	SK	1/2", 5/8", 3/4", 7/8", 15/16", 1", 1 1/16", 1 1/8", 1 3/16", 1 1/4", 1 5/16", 1 3/8", 1 7/16", 1 1/2", 1 9/16", 1 5/8", 1 11/16", 1 3/4", 1 7/8", 1 15/16", 2", 2 1/8", 2 3/16", 2 1/4", 2 3/8", 2 7/16", 2 1/2", 2 5/8"	6086K15	000000

Tires

Fit these highly flexible rubber tires over the two hubs. They transmit torque, compensate for misalignment, and isolate shock and vibration.

Buna-N—Highly tear resistant.

					Misalignment Capability
	For Hub OD	Shaft Coupling Trade Size	Max. Rotation Speed, rpm	Max. Torque, in·lbf	Parallel	Angular	Axial		Each
Buna-N



		9 1/4"	L190	2,800	4,350	0.125"	4°	0.313"	6241K25	0000000

Strong-Grip Clamping Rigid Shaft Couplings

These couplings have the gripping strength to handle higher torque than most other couplings. Couplings clamp evenly around the shaft to create a mar-free hold. Slide onto the end of your shaft and tighten the clamping screws to secure. Good for high-torque applications, rigid couplings connect two shafts that are aligned, allowing for no relative movement between the shafts.

Steel

For Round Shafts

	Overall Lg.	OD	Max. Rotation Speed, rpm	Max. Torque, in·lbf		Each
For Round Shafts



	2 1/4"	6 1/2"	3 3/4"	3,500	12,320	9799T7	0000000

Strong-Grip Two-Piece Rigid Shaft Couplings

These couplings have the gripping strength to handle higher torque than most other couplings. Install them anywhere on a shaft without removing components or having access to the ends of the shaft. Tighten the clamping screws to secure. Good for high-torque applications, rigid couplings connect two shafts that are aligned, allowing for no relative movement between the shafts.

Steel

For Round

Shafts

	Overall Lg.	OD	Max. Rotation Speed, rpm	Max. Torque, in·lbf		Each
For Round Shafts



	2 1/4"	6 1/2"	3 3/4"	3,500	14,795	9799T17	0000000

Keyless Locking Rigid Shaft Couplings for Overhung Loads

Support the weight of a motor and transfer torque to another shaft at the same time with these couplings. Often used to hang motors from conveyor belts and other driven equipment, or to connect long sections of shafts, these couplings eliminate the need for support brackets. Use a torque arm to prevent hanging motors from spinning.

The clamping screws on the coupling face squeeze two outer collars against an inner ring, pressing it tight against shafts to lock them together. This ring-locking mechanism leaves no room for backlash, meaning that all of the turning force created by the motor is passed on to the second shaft. These couplings grip shafts of any shape, so you can install them onto existing keyways and splines without using a key.

To install these couplings, use a torque wrench to tighten each screw to the fastener tightening torque listed for each coupling size. To remove, gradually loosen each screw in sequence until you can slide the coupling on the shaft. Warning: Do not remove any clamping screws from the coupling until the outer collars are separated from the inner ring. The ring is under tension, and a sudden release of the collars can cause serious injury.

Overhung load capacity is the amount of downward force that a coupling can withstand from a motor or other object that it is supporting. To calculate the overhung load, measure the distance from the center of the coupling to the center of gravity of the motor. Multiply that distance by the combined weight of the motor and the portion of the shaft between the coupling and the motor. Do not exceed the overhung load capacity for a coupling.

Steel

Image of Product. Front orientation. Rigid Shaft Couplings. Keyless Locking Rigid Shaft Couplings for Overhung Loads .

	Overall Lg.	OD	Max. Rotation Speed, rpm	Max. Torque, in·lbf	Fastener Tightening Torque, in·lbf	Overhung Load Cap., in·lbf		Each
For Keyed, Round, and Splined Shafts



	2 1/4"	3 1/16"	4 3/4"	7,500	44,135	264	11,030	3456N16	0000000

Two-Piece Rigid Shaft Coupling Bridges

When your shafts are not close enough to use standard couplings, these have the length to bridge the gap. Install them anywhere on a shaft without removing components or having access to the ends of the shaft. Tighten the clamping screws to secure. Good for high-torque applications, rigid couplings connect two shafts that are aligned, allowing for no relative movement between the shafts.

Cast Iron

	Overall Lg.	OD	Max. Rotation Speed, rpm	Max. Torque, in·lbf		Each
For Keyed Shafts



	2 1/4"	9 5/16"	5 3/4"	3,180	12,000	6417K25	0000000

Flange-Mount Shaft Collars

Use the tapped and unthreaded holes on the flange to mount components as needed. To install, slide these collars from one end of your shaft and tighten the clamping screws. The collars grip firmly and evenly without marring the shaft, so you can reposition or remove them later. Collars with keyways have a standard ANSI keyway to lock in place shafts, keys, and key stock.

Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.

303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These are easier to machine than other stainless steel collars.

Aluminum—One-third the weight of steel and corrosion resistant.

				Flange		Keyway			Clamping Screw			Mounting Holes		Unthreaded Mounting Holes
	For Shaft Dia.	OD	Wd.	OD	Thk.	Wd.	Dp.	For Shaft Type	Type	No. Included	Mounting Fasteners Included	Thread Size	No. of	Dia.	No. of		Each
Black-Oxide Carbon Steel



		2 1/4"	3 1/2"	1 1/4"	4 31/32"	1/2"	1/2"	15/64"	Keyed	Socket Head	2	No	5/16"-18	3	5/16"	3	9684T36	0000000


		303 Stainless Steel



				2 1/4"	3 1/2"	1 1/4"	4 31/32"	1/2"	1/2"	15/64"	Keyed	Socket Head	2	No	5/16"-18	3	5/16"	3	9692T45	000000


				Aluminum



						2 1/4"	3 1/2"	1 1/4"	4 31/32"	1/2"	1/2"	15/64"	Keyed	Socket Head	2	No	5/16"-18	3	5/16"	3	9793T26	000000

Plastic Two-Piece Shaft Collars

Lightweight alternatives to metal two-piece collars for weight-sensitive applications. Attach these collars anywhere along a shaft when other components are already installed or you can't access the ends. They clamp firmly and evenly without marring the shaft, so you can reposition or remove them later.

Acetal—Resist swelling when exposed to moisture.

Nylon—Will swell and weaken when exposed to moisture, so they're best for dry environments.

				Clamping Screw
	For Shaft Dia.	OD	Wd.	Type	No. Included		Each
Nylon



		2 1/4"	3 5/8"	15/16"	Socket Head	2	60485K82	000000


		Acetal



				2 1/4"	3 5/8"	15/16"	Socket Head	2	9708T31	00000

Set Screw Shaft Collars

Slide these traditional collars from one end of the shaft and tighten the set screw. They dig into the shaft for a secure hold, but one that leaves a gouge. For maximum holding power, make sure the set screw is harder than the shaft.

Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.

Zinc-Plated Carbon Steel—A step up from plain carbon steel collars, these withstand occasional exposure to moisture.

303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These are easier to machine than other stainless steel collars.

316 Stainless Steel—More corrosion resistant than 303 stainless steel collars. These collars withstand salt water and harsh chemicals, such as bleach, chlorine, and phosphoric acid.

Aluminum—One-third the weight of steel and corrosion resistant.

				Set Screw
	For Shaft Dia.	OD	Wd.	Type	No. Included		Each
Black-Oxide Carbon Steel



		2 1/4"	3 1/4"	15/16"	Hex Socket	1	9414T41	000000


		Zinc-Plated Carbon Steel



				2 1/4"	3 1/4"	15/16"	Hex Socket	1	6432K45	00000


				303 Stainless Steel



						2 1/4"	3 1/4"	15/16"	Hex Socket	1	6462K45	000000


						316 Stainless Steel



								2 1/4"	3 1/4"	15/16"	Hex Socket	1	9943K51	000000


								Aluminum



										2 1/4"	3 1/4"	15/16"	Hex Socket	1	9946K53	00000

Two-Piece Shaft Collars

For Round Shafts

For Keyed Shafts

Attach these collars anywhere along your shaft, which helps when other components are already installed or you can't access the end. They clamp firmly and evenly without marring the shaft, so you can reposition or remove collars later.

Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.

Zinc-Plated Carbon Steel—A step up from plain carbon steel collars, these withstand occasional exposure to moisture.

Chrome-Plated Carbon Steel—Resist moisture and mild cleaning solutions better than zinc-plated collars.

303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These are easier to machine than other stainless steel collars.

316 Stainless Steel—More corrosion resistant than 303 stainless steel collars. These collars withstand salt water and harsh chemicals, such as bleach, chlorine, and phosphoric acid.

Aluminum—One-third the weight of steel and corrosion resistant.

						For Round Shafts		For Keyed Shafts
				Clamping Screw				Keyway
	For Shaft Dia.	OD	Wd.	Type	No. Included		Each	Wd.	Dp.		Each
Black-Oxide Carbon Steel



		2 1/4"	3 1/4"	3/4"	Socket Head	2	6436K54	000000	1/2"	7/32"	3357K44	000000


		Zinc-Plated Carbon Steel



				2 1/4"	3 1/4"	3/4"	Socket Head	2	2380K48	00000	—	—	———	0


				Chrome-Plated Carbon Steel



						2 1/4"	3 1/4"	3/4"	Socket Head	2	3370K89	00000	—	—	———	0


						303 Stainless Steel



								2 1/4"	3 1/4"	3/4"	Socket Head	2	6436K107	00000	—	—	———	0


								316 Stainless Steel



										2 1/4"	3 1/4"	3/4"	Socket Head	2	9633T42	000000	—	—	———	0


										Aluminum



												2 1/4"	3 1/4"	3/4"	Socket Head	2	6436K159	00000	—	—	———	0

Shaft Collars

Slide these collars from one end of your shaft and tighten the clamping screw. They grip firmly and evenly without marring the shaft, so you can reposition or remove them later.

Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.

Zinc-Plated Carbon Steel—A step up from plain carbon steel collars, these withstand occasional exposure to moisture.

303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These are easier to machine than other stainless steel collars.

316 Stainless Steel—More corrosion resistant than 303 stainless steel collars. These collars withstand salt water and harsh chemicals, such as bleach, chlorine, and phosphoric acid.

Aluminum—One-third the weight of steel and corrosion resistant.

				Clamping Screw
	For Shaft Dia.	OD	Wd.	Type	No. Included		Each
Black-Oxide Carbon Steel



		2 1/4"	3 1/4"	3/4"	Socket Head	1	6435K73	000000


		Zinc-Plated Carbon Steel



				2 1/4"	3 1/4"	3/4"	Socket Head	1	9961K48	00000


				303 Stainless Steel



						2 1/4"	3 1/4"	3/4"	Socket Head	1	6435K92	00000


						316 Stainless Steel



								2 1/4"	3 1/4"	3/4"	Socket Head	1	9421T38	00000


								Aluminum



										2 1/4"	3 1/4"	3/4"	Socket Head	1	6157K48	00000

Hinged Shaft Collars

Combine the versatility of a two-piece collar with the no-fuss installation of a one-piece design. These hinged collars swing open and shut onto your shaft when other components are already attached or you can't access the ends. The clamping screw is captive so it won't fall out, and it aligns itself in the hole when the collar swings shut.

Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.

				Clamping Screw
	For Shaft Dia.	OD	Wd.	Type	No. Included		Each
Black-Oxide Carbon Steel



		2 1/4"	3 1/2"	5/8"	Socket Head	1	57145K88	000000

Oversized Shaft Collars

Wider and thicker with a larger clamping screw, these shaft collars deliver a stronger grip than standard collars. Slide them from one end of your shaft and tighten the screw. They clamp firmly and evenly without marring the shaft, so you can reposition or remove them later.

Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.

				Clamping Screw
	For Shaft Dia.	OD	Wd.	Type	No. Included		Each
Black-Oxide Carbon Steel



		2 1/4"	3 3/4"	3/4"	Socket Head	1	9951K23	000000

Quick-Release Shaft Collars with Lever

Flip the lever to install, reposition, and remove these collars. They clamp firmly and evenly without marring your shaft.

Black Anodized Aluminum—One-third the weight of steel and more corrosion resistant than unfinished aluminum.

				Clamping Screw
	For Shaft Dia.	OD	Wd.	Type	No. Included		Each
Black Anodized Aluminum



		2 1/4"	4 3/4"	3/4"	Socket Head	1	1511K248	0000000

Set Screw Two-Piece Shaft Collars

Attach these traditional collars anywhere along a shaft when other components are already installed or you can't access the ends. Their set screw digs into the shaft for a tight, permanent hold, but one that leaves a gouge. For maximum holding power, make sure the set screw is harder than the shaft.

Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.

				Set Screw		Clamping Screw			Each
	For Shaft Dia.	OD	Wd.	Type	No. Included	Type	No. Included		1-24	25-Up
Black-Oxide Carbon Steel



		2 1/4"	3 1/4"	3/4"	Hex Socket	1	Socket Head	2	1069N75	000000	000000

Oversized Two-Piece Shaft Collars


For Round Shafts	For Keyed Shafts

Wider and thicker with larger clamping screws, these deliver a more powerful hold than standard two-piece collars. Attach them anywhere along a shaft when other components are already installed or you can't access the ends. They grip evenly without marring the shaft, so you can reposition or remove them later.

Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.

						For Round Shafts		For Keyed Shafts
				Clamping Screw				Keyway
	For Shaft Dia.	OD	Wd.	Type	No. Included		Each	Wd.	Dp.		Each
Black-Oxide Carbon Steel



		2 1/4"	3 3/4"	3/4"	Socket Head	2	8386K23	000000	1/2"	1/4"	8386K614	0000000

Two-Piece Shaft Collars with Wrench Flats

When adjusting or troubleshooting your drive shaft, turn these collars with a wrench to avoid marring or gouging the surface. To install, snap the two pieces together anywhere along the shaft, which helps when other components are attached or you can't access the ends.

Black-Oxide Carbon Steel—Dark and matted for a finished look, but with minimal corrosion resistance. Best for dry environments.

303 Stainless Steel—Withstand moisture and mild cleaning solutions, such as acetone and ammonia. These are easier to machine than other stainless steel collars.

Aluminum—One-third the weight of steel and corrosion resistant.

					Clamping Screw
	For Shaft Dia.	OD	Wd.	Flat-to-Flat Ht.	Type	No. Included		Each
Black-Oxide Carbon Steel



		2 1/4"	3 1/4"	3/4"	3 1/16"	Socket Head	2	9746T15	000000


		303 Stainless Steel



				2 1/4"	3 1/4"	3/4"	3 1/16"	Socket Head	2	5876T29	000000


				Aluminum



						2 1/4"	3 1/4"	3/4"	3 1/16"	Socket Head	2	6100T26	00000