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About Shaft Collars
Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.
More
About Shaft Couplings
More
Quick-Disconnect (QD) Bushings
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 style. As you tighten the included screws, the bushing grips the shaft and pulls it into the sprocket or pulley.
For technical drawings and 3-D models, click on a part number.
Keyway | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Overall Wd. | Wd. | Dp. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
SH Style Bushing | ||||||||
| 1 11/16" | 1 19/32" | __ | __ | 108 | Steel | Clamping Screws | 00000000 | 000000 |
SDS Style Bushing | ||||||||
| 1 11/16" | 1 21/32" | 3/8" | 3/16" | 108 | Steel | Clamping Screws | 00000000 | 00000 |
SD Style Bushing | ||||||||
| 1 11/16" | 2 3/32" | 3/8" | 3/16" | 108 | Steel | Clamping Screws | 00000000 | 00000 |
SK Style Bushing | ||||||||
| 1 11/16" | 2 9/32" | 3/8" | 3/16" | 180 | Steel | Clamping Screws | 00000000 | 00000 |
SF Style Bushing | ||||||||
| 1 11/16" | 2 1/2" | 3/8" | 3/16" | 360 | Steel | Clamping Screws | 00000000 | 00000 |
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 style. As you tighten the included set screws, the bushing grips the shaft and pulls it into your sprocket or pulley.
For technical drawings and 3-D models, click on a part number.
Keyway | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Overall Wd. | Wd. | Dp. | Taper | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
1610 Style Bushing | |||||||||
| 1 11/16" | 1" | 3/8" | 1/8" | 8° | 175 | Steel | Machine Key, Set Screws | 000000000 | 000000 |
1615 Style Bushing | |||||||||
| 1 11/16" | 1 1/2" | 3/8" | 1/8" | 8° | 175 | Steel | Machine Key, Set Screws | 000000000 | 00000 |
2012 Style Bushing | |||||||||
| 1 11/16" | 1 1/4" | 3/8" | 3/16" | 8° | 280 | Steel | Set Screws | 000000000 | 00000 |
2517 Style Bushing | |||||||||
| 1 11/16" | 1 3/4" | 3/8" | 3/16" | 8° | 430 | Steel | Set Screws | 000000000 | 00000 |
2525 Style Bushing | |||||||||
| 1 11/16" | 2 1/2" | 3/8" | 3/16" | 8° | 430 | Iron | Set Screws | 000000000 | 00000 |
3020 Style Bushing | |||||||||
| 1 11/16" | 2" | 3/8" | 3/16" | 8° | 800 | Steel | Set Screws | 000000000 | 00000 |
3030 Style Bushing | |||||||||
| 1 11/16" | 3" | 3/8" | 3/16" | 8° | 800 | Iron | Set Screws | 000000000 | 00000 |
3525 Style Bushing | |||||||||
| 1 11/16" | 2 1/2" | 3/8" | 3/16" | 8° | 1,000 | Iron | Set Screws | 000000000 | 000000 |
3535 Style Bushing | |||||||||
| 1 11/16" | 3 1/2" | 3/8" | 3/16" | 8° | 1,000 | Iron | Set Screws | 000000000 | 000000 |
4040 Style Bushing | |||||||||
| 1 11/16" | 4" | 3/8" | 3/16" | 8° | 1,700 | Iron | Set Screws | 000000000 | 000000 |
Set Screw Shaft Collars
Keep these shaft collars in place by tightening their set screw into the shaft. The tip of the screw digs in for a secure hold, but will mar the shaft’s surface. For maximum holding power, make sure the set screw material is harder than your shaft material. Use these shaft collars to position and retain power transmission components such as sprockets, pulleys, and bearings. You can also use them to limit the movement of a shaft.
Carbon steel collars are strong and wear resistant. Collars with a black-oxide finish have some corrosion resistance, but only in dry environments. Their dark color can be useful for matching other parts in your system. Collars with a zinc-plated finish have an outer layer of zinc that protects the steel from rust and extends the life of the collar. 303 stainless steel collars are corrosion resistant and highly machinable.
316 stainless steel collars are the most corrosion resistant while still being nearly as strong as steel collars. You can expose them to salt water, chlorine solutions, and chemicals without rusting.
Aluminum collars are lightweight and have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Set Screw | ||||||
|---|---|---|---|---|---|---|
| For Shaft Dia. | OD | Wd. | Type | No. Included | Each | |
Black-Oxide 1215 Carbon Steel | ||||||
| 1 11/16" | 2 1/2" | 13/16" | Hex Socket | 1 | 0000000 | 00000 |
Zinc-Plated 1215 Carbon Steel | ||||||
| 1 11/16" | 2 1/2" | 13/16" | Hex Socket | 1 | 0000000 | 0000 |
303 Stainless Steel | ||||||
| 1 11/16" | 2 1/2" | 13/16" | Hex Socket | 1 | 0000000 | 00000 |
316 Stainless Steel | ||||||
| 1 11/16" | 2 1/2" | 13/16" | Hex Socket | 1 | 0000000 | 000000 |
6061 Aluminum | ||||||
| 1 11/16" | 2 1/2" | 13/16" | Hex Socket | 1 | 000000 | 00000 |
Clamping Shaft Collars
These metal collars are stronger than plastic shaft collars. They clamp evenly around the shaft to create a strong, mar-free hold. To use, slide onto your shaft and tighten the clamping screw to secure.
Black-oxide steel collars have some corrosion resistance. Zinc-plated steel collars have moderate corrosion resistance. Aluminum collars are lightweight and have good corrosion resistance. 303 stainless steel collars have excellent corrosion resistance. 316 stainless steel collars have excellent corrosion and chemical resistance.
For technical drawings and 3-D models, click on a part number.
Clamping Screw | ||||||
|---|---|---|---|---|---|---|
| For Shaft Dia. | OD | Wd. | Type | No. Included | Each | |
Black-Oxide 1215 Carbon Steel | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 1 | 0000000 | 000000 |
Zinc-Plated 1215 Carbon Steel | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 1 | 0000000 | 00000 |
2024 Aluminum | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 1 | 0000000 | 00000 |
303 Stainless Steel | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 1 | 0000000 | 00000 |
316 Stainless Steel | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 1 | 0000000 | 00000 |
Clamping Two-Piece Shaft Collars
These metal collars are stronger than plastic shaft collars. The two-piece design allows you to install them anywhere on a shaft without removing components or having access to the ends of the shaft. Collars clamp evenly around the shaft to create a strong, mar-free hold. Tighten the clamping screws to secure.
Black-oxide steel collars have some corrosion resistance. Zinc-plated steel and chrome-plated steel collars have moderate corrosion resistance with a bright finish. Aluminum collars are lightweight and have good corrosion resistance. 303 stainless steel collars have excellent corrosion resistance. 316 stainless steel collars have excellent corrosion and chemical resistance.
For technical drawings and 3-D models, click on a part number.
Clamping Screw | ||||||
|---|---|---|---|---|---|---|
| For Shaft Dia. | OD | Wd. | Type | No. Included | Each | |
Black-Oxide 1215 Carbon Steel | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 2 | 0000000 | 000000 |
Zinc-Plated 1215 Carbon Steel | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 2 | 0000000 | 00000 |
Chrome-Plated 1215 Carbon Steel | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 2 | 0000000 | 00000 |
2024 Aluminum | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 2 | 00000000 | 00000 |
303 Stainless Steel | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 2 | 0000000 | 00000 |
316 Stainless Steel | ||||||
| 1 11/16" | 2 3/4" | 11/16" | Socket Head Screw | 2 | 0000000 | 00000 |
Set Screw Two-Piece Shaft Collars
Tighten the set screw to bite into an unhardened shaft for a secure hold. The two-piece design allows you to install these collars anywhere on a shaft without removing components or having access to the ends of the shaft. Clamping screws provide extra grip.
Carbon steel collars are strong and wear resistant. Their black-oxide finish is somewhat corrosion resistant, but only in dry environments. Their dark color can be useful for matching other parts in your system.
For technical drawings and 3-D models, click on a part number.
Set Screw | Clamping Screw | |||||||
|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | OD | Wd. | Type | No. Included | Type | No. Included | Each | |
Black-Oxide 1215 Carbon Steel | ||||||||
| 1 11/16" | 2 3/4" | 11/16" | Hex Socket | 1 | Socket Head Screw | 2 | 0000000 | 000000 |
Two-Piece 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.
For technical drawings and 3-D models, click on a part number.
| For Shaft Dia. | Overall Lg. | OD | Max. Speed, rpm | Max. Torque, in.-lbs. | For Motion Type | Each | |
Cast Iron | |||||||
|---|---|---|---|---|---|---|---|
For Keyed Shafts | |||||||
| 1 11/16" | 8 1/4" | 5 1/8" | 3,965 | 5,500 | Forward/Reverse, Start/Stop, Continuous | 0000000 | 0000000 |
Set Screw Flexible Shaft Couplings
Each hub includes a set screw, which bites into your shaft to hold the coupling in place. Also known as Lovejoy couplings, these three-piece couplings have a spider-shaped cushion between two hubs to reduce shock and handle minor shaft misalignment.
A complete coupling consists of two hubs and one spider, or two hubs, one split spider, and one retaining ring (all components sold separately). Hubs for 1/2" shaft dia. and above (unless noted) and all metric sizes have a keyway.
Buna-N spiders provide good vibration damping and chemical resistance. Hytrel spiders provide fair vibration damping and excellent chemical resistance. Polyurethane spiders and split spiders provide fair vibration damping and good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Buna-N Rubber Spiders | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Iron Hubs | Misalignment Capability | |||||||||||
| Overall Lg. | OD | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Each | ||
| 4 1/2" | 3 3/4" | Forward/Reverse, Start/Stop | 1 11/16" | 0000000 | 000000 | 5,000 | 1,240 | 0.015" | 1° | -40° to 212° | 0000000 | 000000 |
| 4 7/8" | 4 1/2" | Forward/Reverse, Start/Stop | 1 11/16" | 0000000 | 000000 | 5,000 | 1,725 | 0.015" | 1° | -40° to 212° | 0000000 | 00000 |
| 5 11/32" | 5" | Forward/Reverse, Start/Stop | 1 11/16" | 0000000 | 000000 | 4,200 | 2,340 | 0.015" | 1° | -40° to 212° | 0000000 | 00000 |
Hytrel Rubber Spiders | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Iron Hubs | Misalignment Capability | |||||||||||
| Overall Lg. | OD | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Each | ||
| 4 1/2" | 3 3/4" | Forward/Reverse, Start/Stop | 1 11/16" | 0000000 | 000000 | 3,600 | 3,705 | 0.015" | 0.5° | -55° to 245° | 0000000 | 000000 |
| 4 7/8" | 4 1/2" | Forward/Reverse, Start/Stop | 1 11/16" | 0000000 | 000000 | 5,000 | 4,680 | 0.015" | 0.5° | -55° to 245° | 0000000 | 000000 |
| 5 11/32" | 5" | Forward/Reverse, Start/Stop | 1 11/16" | 0000000 | 000000 | 4,200 | 6,225 | 0.015" | 0.5° | -55° to 245° | 0000000 | 000000 |