System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter | Show |
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For Shaft Diameter For Shaft Diameter | Hide |
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For Motion Type For Motion Type |
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Material Material |
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Construction Construction |
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Number of Teeth Number of Teeth |
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Set Screw Material Set Screw Material |
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Component Component |
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Number of Set Screws Included Number of SetScrews Included |
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Set Screw Type Set Screw Type |
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 | Hex Socket |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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OD with Cover OD with Cover |
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Set Screw Finish Set Screw Finish |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Shaft Couplings
More
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.
For technical drawings and 3-D models, click on a part number.
Buna-N Rubber Spiders | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Iron Hubs | Misalignment Capability | ||||||||||||
| Overall Lg. | OD | For Shaft Type | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Each | ||
| 4 7/8" | 4 1/2" | Keyed | Forward/Reverse, Start/Stop | 1 15/16" | 0000000 | 0000000 | 5,000 | 1,725 | 0.015" | 1° | -40° to 212° | 0000000 | 000000 |
| 5 11/32" | 5" | Keyed | Forward/Reverse, Start/Stop | 1 15/16" | 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 Shaft Type | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Temp. Range, °F | Each | ||
| 4 7/8" | 4 1/2" | Keyed | Forward/Reverse, Start/Stop | 1 15/16" | 0000000 | 0000000 | 5,000 | 4,680 | 0.015" | 0.5° | -55° to 245° | 0000000 | 0000000 |
| 5 11/32" | 5" | Keyed | Forward/Reverse, Start/Stop | 1 15/16" | 0000000 | 000000 | 4,200 | 6,225 | 0.015" | 0.5° | -55° to 245° | 0000000 | 000000 |
High-Torque Flexible Shaft Couplings
With a rugged roller-chain design, these couplings provide excellent torque and angular misalignment capacities. Lubrication is required. Fasten to your shaft by tightening the set screws, which bite into the shaft to hold it.
A complete coupling consists of two hubs and one roller chain (each component sold separately). Complete couplings meet ANSI B29.23M-1995.
Optional covers retain grease lubrication and provide protection from abrasion and corrosion.
For technical drawings and 3-D models, click on a part number.
Steel Roller Chain | ||||||||||||||||
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Steel Hubs | Misalignment Capability | Roller Chain | Orange Nylon Plastic Covers | |||||||||||||
| O'all Lg. | OD | OD with Cover | For Motion Type | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | No. | Standard | Each | Each | |||
| 3 29/64" | 5" | 6 3/8" | Continuous | 1 15/16" | 0000000 | 000000 | 3,000 | 10,900 | 0.012" | 1.5° | 60-2 | ANSI | 0000000 | 000000 | 0000000 | 0000000 |
Clamping Shaft Couplings
Designed to grip evenly around your shaft, clamping couplings provide more holding power than set screw couplings without marring the shaft. 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.
Stainless steel couplings have excellent corrosion resistance.
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 | |
Steel | |||||||
|---|---|---|---|---|---|---|---|
For Keyed Shafts | |||||||
| 1 15/16" × 1 15/16" | 4 7/8" | 3 3/8" | 4,000 | 13,600 | Forward/Reverse, Start/Stop, Continuous | 00000000 | 0000000 |
For Round Shafts | |||||||
| 1 15/16" × 1 15/16" | 4 7/8" | 3 3/8" | 4,000 | 13,600 | Forward/Reverse, Start/Stop, Continuous | 00000000 | 000000 |
303 Stainless Steel | |||||||
For Keyed Shafts | |||||||
| 1 15/16" × 1 15/16" | 4 7/8" | 3 3/8" | 4,000 | 8,200 | Forward/Reverse, Start/Stop, Continuous | 0000000 | 000000 |
For Round Shafts | |||||||
| 1 15/16" × 1 15/16" | 4 7/8" | 3 3/8" | 4,000 | 8,200 | Forward/Reverse, Start/Stop, Continuous | 00000000 | 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 15/16" | 8 5/8" | 5 1/2" | 3,635 | 8,500 | Forward/Reverse, Start/Stop, Continuous | 0000000 | 0000000 |