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For Rotary Motion
Number of Set Screws Included
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Shaft Coupling Flexibility
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RoHS
DFARS Specialty Metals
Export Control Classification Number (ECCN)
Set Screw Flexible Shaft Couplings
Hubs | Buna-N Spiders | Hytrel Spiders | Polyurethane Spiders | Polyurethane Split Spiders | 347 Stainless Steel Retaining Rings | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Misalignment Capability | Misalignment Capability | Misalignment Capability | Misalignment Capability | |||||||||||||||||||||||||||||||||||||||
Overall Lg. | OD | For Shaft Type | For Rotary Motion | For Shaft Dia. | Each | Max. Rotation Speed, rpm | Max. Torque, in·lbf | Parallel | Angular | Temp. Range, ° F | Spider Material | Each | Max. Rotation Speed, rpm | Max. Torque, in·lbf | Parallel | Angular | Temp. Range, ° F | Spider Material | Each | Max. Rotation Speed, rpm | Max. Torque, in·lbf | Parallel | Angular | Temp. Range, ° F | Spider Material | Each | Max. Rotation Speed, rpm | Max. Torque, in·lbf | Parallel | Angular | Temp. Range, ° F | Spider Material | Each | Each | ||||||||
Iron Hubs | ||||||||||||||||||||||||||||||||||||||||||
| 1 23/32" | 1 5/64" | Keyed | Forward/Reverse, Start/Stop | 9/16" | 6408K11 | 00000 | 18,000 | 26 | 0.015" | 1° | -40 to 212 | Buna-N | 6408K84 | 00000 | 18,000 | 50 | 0.015" | 0.5° | -55 to 245 | Hytrel | 6408K91 | 000000 | — | — | — | — | — | — | ——— | 0 | — | — | — | — | — | — | ——— | 0 | ——— | 0 | ||
| 1 63/64" | 1 23/64" | Keyed | Forward/Reverse, Start/Stop | 9/16" | 6408K12 | 00000 | 14,000 | 43 | 0.015" | 1° | -40 to 212 | Buna-N | 6408K73 | 0000 | 3,600 | 110 | 0.015" | 0.5° | -55 to 245 | Hytrel | 6408K93 | 00000 | — | — | — | — | — | — | ——— | 0 | — | — | — | — | — | — | ——— | 0 | ——— | 0 | ||
| 2 1/8" | 1 3/4" | Keyed | Forward/Reverse, Start/Stop | 9/16" | 6408K13 | 00000 | 11,000 | 90 | 0.015" | 1° | -40 to 212 | Buna-N | 6408K74 | 00000 | 3,600 | 225 | 0.015" | 0.5° | -55 to 245 | Hytrel | 6408K94 | 00000 | 3,600 | 135 | 0.015" | 1° | -30 to 160 | Polyurethane Rubber | 2410K11 | 000000 | — | — | — | — | — | — | ——— | 0 | ——— | 0 | ||
| 2 5/32" | 2 7/64" | Keyed | Forward/Reverse, Start/Stop | 9/16" | 6408K14 | 00000 | 9,000 | 140 | 0.015" | 1° | -40 to 212 | Buna-N | 6408K75 | 00000 | 3,600 | 400 | 0.015" | 0.5° | -55 to 245 | Hytrel | 6408K95 | 00000 | 3,600 | 210 | 0.015" | 1° | -30 to 160 | Polyurethane Rubber | 2410K13 | 00000 | 9,200 | 670 | 0.03" | 2° | -30 to 200 | Polyurethane Rubber | 2393K33 | 000000 | 2393K23 | 000000 | ||
| 2 1/2" | 2 7/64" | Keyed | Forward/Reverse, Start/Stop | 9/16" | 6408K15 | 00000 | 9,000 | 140 | 0.015" | 1° | -40 to 212 | Buna-N | 6408K75 | 00000 | 3,600 | 400 | 0.015" | 0.5° | -55 to 245 | Hytrel | 6408K95 | 00000 | 3,600 | 210 | 0.015" | 1° | -30 to 160 | Polyurethane Rubber | 2410K13 | 00000 | 9,200 | 670 | 0.03" | 2° | -30 to 200 | Polyurethane Rubber | 2393K33 | 00000 | 2393K23 | 00000 | ||
| 2 27/32" | 2 35/64" | Keyed | Forward/Reverse, Start/Stop | 9/16" | 6408K16 | 00000 | 7,000 | 315 | 0.015" | 1° | -40 to 212 | Buna-N | 6408K77 | 00000 | 3,600 | 790 | 0.015" | 0.5° | -55 to 245 | Hytrel | 6408K96 | 000000 | 3,600 | 475 | 0.015" | 1° | -30 to 160 | Polyurethane Rubber | 2410K15 | 00000 | 7,700 | 1,110 | 0.03" | 2° | -30 to 200 | Polyurethane Rubber | 2393K34 | 000000 | 2393K24 | 00000 | ||
| 3 31/64" | 2 35/64" | Keyed | Forward/Reverse, Start/Stop | 9/16" | 6408K17 | 00000 | 7,000 | 315 | 0.015" | 1° | -40 to 212 | Buna-N | 6408K77 | 00000 | 3,600 | 790 | 0.015" | 0.5° | -55 to 245 | Hytrel | 6408K96 | 000000 | 3,600 | 475 | 0.015" | 1° | -30 to 160 | Polyurethane Rubber | 2410K15 | 00000 | 7,700 | 1,110 | 0.03" | 2° | -30 to 200 | Polyurethane Rubber | 2393K34 | 000000 | 2393K24 | 00000 | ||
Shaft Collars
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Clamping Screw | ||||||||
|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | OD | Wd. | Type | No. Included | Each | |||
Black-Oxide Carbon Steel | ||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 1 | 6435K54 | 00000 | ||
Zinc-Plated Carbon Steel | ||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 1 | 9961K18 | 0000 | ||
303 Stainless Steel | ||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 1 | 6435K64 | 00000 | ||
316 Stainless Steel | ||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 1 | 9421T8 | 00000 | ||
Aluminum | ||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 1 | 6157K34 | 0000 | ||
Mil. Spec. Machinable-Bore Single U-Joints
Torque | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Max. Shaft Dia. | For Max. Shaft Dp. | Joint Dia. | Overall Lg. | Max. Operating Angle | Max. Rotation Speed, rpm | Max. Torque, in·lbf | 3° Operating Angle | 10° Operating Angle | Joint Type | For Shaft Type | Includes | Mil. Spec. | Each | |||
Steel | ||||||||||||||||
| 9/16" | 1 3/16" | 1" | 3 3/8" | 35° | 1,500 | 3,050 | 585 in·lbf @ 300 rpm | 380 in·lbf @ 300 rpm | Pin and Block | Round | Ball-Spring Oil Fitting | MIL-DTL-20625 Class A | 2456K16 | 0000000 | ||
Single U-Joints
For Shaft | Torque | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dp. | Joint Dia. | Overall Lg. | Max. Operating Angle | Max. Rotation Speed, rpm | Max. Torque, in·lbf | 3° Operating Angle | 10° Operating Angle | Shaft Mount Type | Spring Pins Included | Each | |||
Pin-and-Block Joint | ||||||||||||||
Steel—For Keyed Shafts | ||||||||||||||
| 9/16" | 1" | 1" | 3 3/8" | 25° | 1,750 | 1,560 | 595 in·lbf @ 300 rpm | 200 in·lbf @ 300 rpm | Set Screw | — | 8285K11 | 0000000 | ||
Steel—For Round Shafts | ||||||||||||||
| 9/16" | 1" | 1 1/8" | 3 1/2" | 25° | 1,750 | 2,880 | 785 in·lbf @ 300 rpm | 260 in·lbf @ 300 rpm | Spring Pin | No | 6443K39 | 000000 | ||
Two-Piece Shaft Collars
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 | ||||||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 2 | 6436K53 | 000000 | 1/8" | 1/16" | 3357K23 | 000000 | ||
Zinc-Plated Carbon Steel | ||||||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 2 | 2380K18 | 00000 | — | — | ——— | 0 | ||
303 Stainless Steel | ||||||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 2 | 6436K63 | 00000 | — | — | ——— | 0 | ||
316 Stainless Steel | ||||||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 2 | 9633T12 | 00000 | — | — | ——— | 0 | ||
Aluminum | ||||||||||||
| 9/16" | 1 5/16" | 7/16" | Socket Head | 2 | 6436K135 | 00000 | — | — | ——— | 0 | ||
Extreme-Angle Geared Single U-Joints
![]() | ![]() |
For Shaft | Overall | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dp. | Joint Dia. | Ht. | Lg. | Max. Operating Angle | Speed Ratio | Max. Rotation Speed | Max. Torque | Joint Type | For Shaft Type | Each | |||
Steel | ||||||||||||||
| 9/16" | 1 1/8" | 3/4" | 2 3/4" | 10 1/4" | 136° | 1:1 | Not Rated | Not Rated | Geared | Round | 6450K3 | 0000000 | ||
Face-Mount Shaft Collars
Corrosion-Resistant Mil. Spec. Machinable-Bore Single U-Joints
Torque | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Max. Shaft Dia. | For Max. Shaft Dp. | Joint Dia. | Overall Lg. | Max. Operating Angle | Max. Rotation Speed, rpm | Max. Torque, in·lbf | 3° Operating Angle | 10° Operating Angle | Joint Type | For Shaft Type | Includes | Mil. Spec. | Each | |||
303 Stainless Steel | ||||||||||||||||
| 9/16" | 1 3/16" | 1" | 3 3/8" | 35° | 1,500 | 1,900 | 365 in·lbf @ 300 rpm | 235 in·lbf @ 300 rpm | Pin and Block | Round | Ball-Spring Oil Fitting | MIL-U-20625 Class C | 2457K16 | 0000000 | ||
Oversized Shaft Collars
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Clamping Screw | ||||||||
|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | OD | Wd. | Type | No. Included | Each | |||
Black-Oxide Carbon Steel | ||||||||
| 9/16" | 1 1/2" | 1/2" | Socket Head | 1 | 9951K36 | 000000 | ||
Oversized Two-Piece Shaft Collars
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For Round Shafts |
Clamping Screw | For Round Shafts | |||||||
|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | OD | Wd. | Type | No. Included | Each | |||
Black-Oxide Carbon Steel | ||||||||
| 9/16" | 1 1/2" | 1/2" | Socket Head | 2 | 8386K36 | 000000 | ||
Plastic Set Screw Shaft Collars
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Set Screw | Each | ||||||||
|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | OD | Wd. | Type | No. Included | 1-19 | 20-Up | |||
Nylon | |||||||||
| 9/16" | 1 1/8" | 1/2" | Hex Socket | 1 | 60475K69 | 00000 | 00000 | ||
Quick-Disconnect (QD) Bushings
Set Screw Shaft Collars
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Set Screw | ||||||||
|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | OD | Wd. | Type | No. Included | Each | |||
Black-Oxide Carbon Steel | ||||||||
| 9/16" | 1" | 7/16" | Hex Socket | 1 | 9414T12 | 00000 | ||
Zinc-Plated Carbon Steel | ||||||||
| 9/16" | 1" | 7/16" | Hex Socket | 1 | 6432K22 | 0000 | ||
303 Stainless Steel | ||||||||
| 9/16" | 1" | 7/16" | Hex Socket | 1 | 6462K22 | 0000 | ||
316 Stainless Steel | ||||||||
| 9/16" | 1" | 7/16" | Hex Socket | 1 | 9943K22 | 00000 | ||
Aluminum | ||||||||
| 9/16" | 1" | 7/16" | Hex Socket | 1 | 9946K16 | 0000 | ||













































