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Bearing Type Bearing Type |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Construction Construction |
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Keyway Width Keyway Width |
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For Motion Type For Motion Type |
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Lubrication Lubrication |
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Bushing Type Bushing Type |
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Keyway Depth Keyway Depth |
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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.
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About Plain Bearings
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About Shaft Couplings
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Oil-Embedded Sleeve Bearings
Startup friction causes these porous bronze bearings to release a thin layer of oil on the bearing’s surface. They are also known as Oilite® bearings.
Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.
For technical drawings and 3-D models, click on a part number.
| For Housing ID, mm | Lg., mm | Dynamic Radial Load Capacity | Lubrication | Lubricant | Temperature Range, °F | Each | |
For 42 mm Shaft Dia. | |||||||
|---|---|---|---|---|---|---|---|
| 48 | 50 | 6,300 lbs. @ 30 rpm | Lubricated | SAE 30 Oil | -35° to 300° | 00000000 | 000000 |
Light Duty Dry-Running Sleeve Bearings
Use where high loads and speeds are not required.
Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.
For technical drawings and 3-D models, click on a part number.
| For Housing ID | Lg. | Dynamic Radial Load Capacity | Color | Temperature Range, °F | Each | |
Metric Nylon Bearings | ||||||
|---|---|---|---|---|---|---|
For 42mm Shaft Dia. | ||||||
| 48mm | 50mm | 620 lbs. @ 30 rpm | Off-White | -10° to 220° | 00000000 | 000000 |
High-Load Dry-Running Thrust Bearings
A steel backing adds strength to these slippery PTFE bearings.
Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.
For technical drawings and 3-D models, click on a part number.
| OD, mm | Thick., mm | Dynamic Thrust Load Capacity | Temperature Range, °F | Each | |
Steel-Backed PTFE Plastic Bearings | |||||
|---|---|---|---|---|---|
For 42 mm Shaft Dia. | |||||
| 66 | 1.5 | 7,700 lbs. @ 30 rpm | -320° to 530° | 0000000 | 000000 |
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 | |
Clamp On | ||||||||
SD Style Bushing | ||||||||
| 42mm | 54mm | 12mm | 3.3mm | 108 | Cast Iron | Clamping Screws | 0000000 | 000000 |
SDS Style Bushing | ||||||||
| 42mm | 43mm | 12mm | 3.3mm | 108 | Cast Iron | Clamping Screws | 0000000 | 00000 |
SK Style Bushing | ||||||||
| 42mm | 55mm | 12mm | 3.3mm | 180 | Steel | Clamping Screws | 0000000 | 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.
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 that are blue make it easy to identify metric collars at a glance. They’re tinted to match other blue metric fasteners.
303 stainless steel collars are corrosion resistant and highly machinable.
DIN 705 collars meet an international standard for shaft collar dimensions.
For technical drawings and 3-D models, click on a part number.
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. Aluminum collars are lightweight and have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Quick-Release Clamping Shaft Collars
Installing and removing a collar is as easy as pushing down and lifting up a clamp lever. Collars clamp evenly around the shaft to create a strong, mar-free hold. All have a clamping screw to adjust lever tension. Made of anodized aluminum, they are lightweight with good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Clamping Screw | Black Anodized 6061 Aluminum | |||||
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| For Shaft Dia. | OD | Wd. | Type | No. Included | Each | |
| 42mm | 100mm | 19mm | Socket Head Screw | 1 | 0000000 | 000000 |
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. In addition to the benefits of aluminum, anodized aluminum collars have extra corrosion resistance, and you can tighten the clamping screw with more torque, so they stay in place. 303 stainless steel collars have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Clamping Screw | ||||||
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| For Shaft Dia., mm | OD, mm | Wd., mm | Type | No. Included | Each | |
Black-Oxide 1215 Carbon Steel | ||||||
| 42 | 73 | 19 | Socket Head Screw | 2 | 0000000 | 000000 |
Zinc-Plated 1215 Carbon Steel | ||||||
| 42 | 73 | 19 | Socket Head Screw | 2 | 0000000 | 00000 |
2024 Aluminum | ||||||
| 42 | 73 | 19 | Socket Head Screw | 2 | 0000000 | 00000 |
Anodized 2024 Aluminum | ||||||
| 42 | 73 | 19 | Socket Head Screw | 2 | 0000000 | 00000 |
303 Stainless Steel | ||||||
| 42 | 73 | 19 | Socket Head Screw | 2 | 0000000 | 000000 |
Set Screw Flexible Shaft Couplings
Each hub includes a set screw (unless noted), 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.
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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Steel Hubs | Misalignment Capability | ||||||||||||
| Overall Lg., mm | OD, mm | For Shaft Type | For Motion Type | For Shaft Dia., mm | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Each | ||
| 108 | 85 | Keyed | Forward/Reverse, Start/Stop | 42 | 0000000 | 000000 | 5,000 | 790 | 0.015" | 1° | -40° to 212° | 0000000 | 000000 |
| 124 | 115 | Keyed | Forward/Reverse, Start/Stop | 42 | 0000000 | 000000 | 5,000 | 1,725 | 0.015" | 1° | -40° to 212° | 0000000 | 00000 |
| 137 | 127 | Keyed | Forward/Reverse, Start/Stop | 42 | 0000000 | 000000 | 4,200 | 2,340 | 0.015" | 1° | -40° to 212° | 0000000 | 00000 |
Hytrel Rubber Spiders | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Steel Hubs | Misalignment Capability | ||||||||||||
| Overall Lg., mm | OD, mm | For Shaft Type | For Motion Type | For Shaft Dia., mm | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Each | ||
| 108 | 85 | Keyed | Forward/Reverse, Start/Stop | 42 | 0000000 | 000000 | 3,600 | 2,265 | 0.015" | 0.5° | -55° to 245° | 0000000 | 0000000 |
| 124 | 115 | Keyed | Forward/Reverse, Start/Stop | 42 | 0000000 | 000000 | 5,000 | 4,680 | 0.015" | 0.5° | -55° to 245° | 0000000 | 000000 |
| 137 | 127 | Keyed | Forward/Reverse, Start/Stop | 42 | 0000000 | 000000 | 4,200 | 6,225 | 0.015" | 0.5° | -55° to 245° | 0000000 | 000000 |
High-Torque Set Screw Flexible Shaft Couplings
The thick split spider on these couplings takes on twice as much torque as standard split spiders, while a set screw holds the hubs in place on your shaft. Also known as jaw couplings, use them to connect motors to pumps, mixers, and other high-torque equipment. You don’t need to lubricate them.
For a complete coupling, you’ll need two hubs, one split spider, and a split spider cover (all sold separately).
Hubs attach to the end of your shaft.
Split spiders cushion between the two hubs to dampen vibration, reduce shocks, and handle shaft misalignment, extending the life of bearings, seals, and motors. You can replace them without having to remove the hubs or move your shaft and equipment around, which reduces the risk of needing to realign the shaft. Spiders with medium-soft hardness are the most commonly used and are good for applications that start, stop, and reverse often. Those with medium hardness handle higher torque than those with medium-soft hardness, but they don’t reduce vibration as well.
Split spider covers hold the spider in place.
For technical drawings and 3-D models, click on a part number.
Urethane Split Spiders | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Steel Hubs | Misalignment Capability | Steel Split Spider Covers | |||||||||||||
| Overall Lg. | OD | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Color | Each | Each | |||
| 4 29/32" | 3 3/16" | Forward/Reverse, Start/Stop | 42mm | 000000 | 0000000 | 7,000 | 3,425 | 0.039" | 2° | -60° to 212° | Red | 0000000 | 000000 | 0000000 | 000000 |
Urethane Split Spiders | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Steel Hubs | Misalignment Capability | Steel Split Spider Covers | |||||||||||||
| Overall Lg. | OD | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Color | Each | Each | |||
| 4 29/32" | 3 3/16" | Forward/Reverse, Start/Stop | 42mm | 000000 | 0000000 | 7,000 | 6,460 | 0.039" | 2° | -60° to 212° | Blue | 0000000 | 000000 | 0000000 | 000000 |
Urethane Split Spiders | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Steel Hubs | Misalignment Capability | Steel Split Spider Covers | |||||||||||||
| Overall Lg. | OD | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Color | Each | Each | |||
| 4 29/32" | 3 3/16" | Forward/Reverse, Start/Stop | 42mm | 000000 | 0000000 | 7,000 | 6,460 | 0.039" | 2° | -60° to 350° | White | 0000000 | 0000000 | 0000000 | 000000 |