How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Shaft Couplings
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Medium-Pressure Pipe Repair Clamps
Use these clamps to repair pinholes and cracks in medium-pressure applications. They slip over your pipe, so there's no need to disassemble your system. Choose a clamp that’s long enough to cover your damaged area with at least 1” on both sides.
Clamps with partial-coverage gaskets, also known as patch clamps, repair pinholes and small cracks. The gasket on these clamps wraps around as much as 40% of the pipe. Unlike clamps with full-coverage gaskets, you'll need to line up the gasket so it completely covers the damaged area on both sides.
Fluoroelastomer gaskets resist most chemicals. They can be used with steam and other high-temperature applications.
Iron clamps are often called emergency clamps.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Diesel Fuel, Hydraulic Fluid, Oil, Water
- Temperature Range: -20° to 250° F
- For Pipe Material: Iron, Steel
For Pipe OD | For Pipe Size | Lg. | Max. Pressure | Material | Each | |
| 0.84" | 1/2 | 3 1/4" | 600 psi @ 72° F | Iron | 0000000 | 000000 |
| 1.05" | 3/4 | 3 1/4" | 600 psi @ 72° F | Iron | 0000000 | 00000 |
| 1.315" | 1 | 3 1/2" | 600 psi @ 72° F | Iron | 0000000 | 000000 |
| 1.66" | 1 1/4 | 3 3/4" | 600 psi @ 72° F | Iron | 0000000 | 000000 |
| 1.9" | 1 1/2 | 4" | 600 psi @ 72° F | Iron | 0000000 | 000000 |
| 2 3/8" | 2 | 4 1/4" | 600 psi @ 72° F | Iron | 0000000 | 000000 |
| 2 7/8" | 2 1/2 | 4 1/2" | 600 psi @ 72° F | Iron | 0000000 | 000000 |
| 3 1/2" | 3 | 4 3/4" | 500 psi @ 72° F | Iron | 0000000 | 000000 |
| 4 1/2" | 4 | 6" | 500 psi @ 72° F | Iron | 0000000 | 000000 |
| 6 5/8" | 6 | 8" | 400 psi @ 72° F | Iron | 0000000 | 000000 |
| 8 5/8" | 8 | 9 7/8" | 300 psi @ 72° F | Iron | 0000000 | 000000 |
| 10 3/4" | 10 | 11 7/8" | 200 psi @ 72° F | Iron | 0000000 | 00000000 |
- For Use With: Air, Coolant, Diesel Fuel, Hydraulic Fluid, Natural Gas, Oil, Steam, Water
- Temperature Range: -40° to 450° F
- For Pipe Material: Stainless Steel, Iron, Steel, Aluminum, PVC Plastic, Copper
| For Pipe OD | For Pipe Size | Lg. | Max. Pressure | Max. Steam Pressure | Material | Each | |
| 0.84" | 1/2 | 3 1/4" | 600 psi @ 72° F | 600 psi @ 300° F | Iron | 0000000 | 0000000 |
| 1.05" | 3/4 | 3 1/4" | 600 psi @ 72° F | 600 psi @ 300° F | Iron | 0000000 | 000000 |
| 1.315" | 1 | 3 1/2" | 600 psi @ 72° F | 600 psi @ 300° F | Iron | 00000000 | 000000 |
| 1.66" | 1 1/4 | 3 3/4" | 600 psi @ 72° F | 600 psi @ 300° F | Iron | 00000000 | 000000 |
| 1.9" | 1 1/2 | 4" | 600 psi @ 72° F | 600 psi @ 300° F | Iron | 00000000 | 000000 |
| 2 3/8" | 2 | 4 1/4" | 600 psi @ 72° F | 600 psi @ 300° F | Iron | 00000000 | 000000 |
| 2 7/8" | 2 1/2 | 4 1/2" | 600 psi @ 72° F | 600 psi @ 300° F | Iron | 00000000 | 000000 |
| 3 1/2" | 3 | 4 3/4" | 500 psi @ 72° F | 500 psi @ 300° F | Iron | 00000000 | 000000 |
| 4 1/2" | 4 | 6" | 500 psi @ 72° F | 500 psi @ 300° F | Iron | 00000000 | 000000 |
Pipe Joint Repair Clamps
- For Use With: Air, Water
- Temperature Range: -40° to 250° F
- For Pipe Material: Aluminum, Copper, Iron, Stainless Steel, Steel
Stop leaks where a fitting and a pipe join without turning off your line. All clamps have a full-coverage gasket that wedges into the pipe and fitting joint and is compressed as you tighten the outer clamp, creating an extra tight seal. The gasket is made of neoprene and works with both air and water. Clamps are thick iron, so they withstand pressures up to 1,500 psi—depending on the size of your pipe.
For technical drawings and 3-D models, click on a part number.
| For Pipe OD | For Pipe Size | Max. Pressure | Material | Each | |
Neoprene Rubber Gaskets—Full Coverage | |||||
|---|---|---|---|---|---|
1 1/4" Lg. | |||||
| 0.84" | 1/2 | 1,500 psi @ 72° F | Iron | 0000000 | 0000000 |
| 1.05" | 3/4 | 1,500 psi @ 72° F | Iron | 0000000 | 000000 |
1 3/8" Lg. | |||||
| 1.315" | 1 | 1,500 psi @ 72° F | Iron | 0000000 | 000000 |
| 1.66" | 1 1/4 | 1,500 psi @ 72° F | Iron | 0000000 | 000000 |
| 1.9" | 1 1/2 | 1,500 psi @ 72° F | Iron | 0000000 | 000000 |
| 2 3/8" | 2 | 1,500 psi @ 72° F | Iron | 0000000 | 000000 |
| 2 7/8" | 2 1/2 | 1,000 psi @ 72° F | Iron | 0000000 | 000000 |
| 3 1/2" | 3 | 1,000 psi @ 72° F | Iron | 0000000 | 000000 |
1 3/4" Lg. | |||||
| 4 1/2" | 4 | 750 psi @ 72° F | Iron | 0000000 | 000000 |
| 6 5/8" | 6 | 400 psi @ 72° F | Iron | 00000000 | 000000 |
High-Speed Vibration-Damping Flexible Shaft Couplings
Use these gear-shaped couplings for high-speed and high-torque applications. A rubber center allows flexing so couplings can take on multiple types of misalignment while damping vibration and shock. With no metal-to-metal contact, there’s no need for lubrication. Fasten to your shafts by tightening the set screws, which bite into the shaft to hold it.
A complete coupling consists of two hubs and one center (each component sold separately).
Hubs have a keyway, except hubs for 1/4" and 3/8" shaft dia. do not have a keyway.
For technical drawings and 3-D models, click on a part number.
Centers | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Hubs | Misalignment Capability | ||||||||||||||
| O'all Lg. | OD | For Motion Type | Material | For Shaft Dia. | Each | Max. Speed, rpm | Max. Torque, in.-lbs. | Parallel | Angular | Axial | Temp. Range, °F | Material | Each | ||
| 2 13/16" | 3 1/4" | Continuous | Cast Iron | 0000000 | 000000 | 7,600 | 240 | 0.015" | 1° | 0.125" | -30° to 275° | TPE Rubber | 0000000 | 000000 | |
| 3 1/2" | 4" | Continuous | Cast Iron | 0000000 | 00000 | 6,000 | 450 | 0.015" | 1° | 0.125" | -30° to 275° | TPE Rubber | 0000000 | 00000 | |
| 3 15/16" | 4 5/8" | Continuous | Cast Iron | 000000 | 00000 | 5,250 | 725 | 0.02" | 1° | 0.125" | -30° to 275° | TPE Rubber | 0000000 | 00000 | |
| 4 7/16" | 5 29/64" | Continuous | Cast Iron | 0000000 | 00000 | 4,500 | 1,135 | 0.02" | 1° | 0.125" | -30° to 275° | TPE Rubber | 0000000 | 00000 | |
| 5 1/16" | 6 23/64" | Continuous | Cast Iron | 000000 | 000000 | 3,750 | 1,800 | 0.025" | 1° | 0.125" | -30° to 275° | TPE Rubber | 0000000 | 00000 | |
| 5 11/16" | 7 1/2" | Continuous | Cast Iron | 000000 | 000000 | 3,600 | 2,875 | 0.025" | 1° | 0.125" | -30° to 275° | TPE Rubber | 0000000 | 000000 | |
| 7 1/8" | 8 5/8" | Continuous | Cast Iron | 000000 | 000000 | 3,600 | 4,530 | 0.032" | 1° | 0.125" | -30° to 275° | EPDM Rubber | 0000000 | 000000 | |
Split-Tapered Bushings
The tapered barrel on these bushings is split on both sides, allowing them to contract more tightly around the shaft than quick-disconnect and taper-lock bushings. They're for use with split-tapered 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.
Bushings with a machine key fit into a matching keyway on a sprocket or pulley for high-torque applications.
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. | Each | |
Cast Iron | |||||||
P1 Style Bushing with Machine Key | |||||||
| 22mm | 1 15/16" | 6mm | 3mm | 3° | 192 | 00000000 | 000000 |
| 24mm | 1 15/16" | 8mm | 3mm | 3° | 192 | 00000000 | 00000 |
| 28mm | 1 15/16" | 8mm | 3mm | 3° | 192 | 00000000 | 00000 |
| 30mm | 1 15/16" | 8mm | 3mm | 3° | 192 | 00000000 | 00000 |
Q1 Style Bushing with Machine Key | |||||||
| 40mm | 2 1/2" | 12mm | 3mm | 3° | 348 | 00000000 | 00000 |
| 60mm | 2 1/2" | 18mm | 4mm | 3° | 348 | 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 | |
2525 Style Bushing | |||||||||
| 1" | 2 1/2" | 1/4" | 1/8" | 8° | 430 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 1/4" | 2 1/2" | 1/4" | 1/8" | 8° | 430 | Cast Iron | Set Screws | 000000000 | 00000 |
| 1 3/8" | 2 1/2" | 5/16" | 5/32" | 8° | 430 | Cast Iron | Set Screws | 000000000 | 00000 |
| 1 1/2" | 2 1/2" | 3/8" | 3/16" | 8° | 430 | Cast Iron | Set Screws | 000000000 | 00000 |
| 2" | 2 1/2" | 1/2" | 1/4" | 8° | 430 | Cast Iron | Set Screws | 000000000 | 00000 |
3030 Style Bushing | |||||||||
| 1" | 3" | 1/4" | 1/8" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 1/8" | 3" | 1/4" | 1/8" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 1/4" | 3" | 1/4" | 1/8" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 3/8" | 3" | 5/16" | 5/32" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 1/2" | 3" | 3/8" | 3/16" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 5/8" | 3" | 3/8" | 3/16" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 3/4" | 3" | 3/8" | 3/16" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 7/8" | 3" | 1/2" | 1/4" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 15/16" | 3" | 1/2" | 1/4" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 2" | 3" | 1/2" | 1/4" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
| 2 1/2" | 3" | 5/8" | 5/16" | 8° | 800 | Cast Iron | Set Screws | 000000000 | 000000 |
3535 Style Bushing | |||||||||
| 1 1/4" | 3 1/2" | 1/4" | 1/8" | 8° | 1,000 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 3/8" | 3 1/2" | 5/16" | 5/32" | 8° | 1,000 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 1/2" | 3 1/2" | 3/8" | 3/16" | 8° | 1,000 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 5/8" | 3 1/2" | 3/8" | 3/16" | 8° | 1,000 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 3/4" | 3 1/2" | 3/8" | 3/16" | 8° | 1,000 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 7/8" | 3 1/2" | 1/2" | 1/4" | 8° | 1,000 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 15/16" | 3 1/2" | 1/2" | 1/4" | 8° | 1,000 | Cast Iron | Set Screws | 000000000 | 000000 |
| 2" | 3 1/2" | 1/2" | 1/4" | 8° | 1,000 | Cast Iron | Set Screws | 000000000 | 000000 |
| 2 1/2" | 3 1/2" | 5/8" | 5/16" | 8° | 1,000 | Cast Iron | Set Screws | 000000000 | 000000 |
4040 Style Bushing | |||||||||
| 1 1/2" | 4" | 3/8" | 3/16" | 8° | 1,700 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 5/8" | 4" | 3/8" | 3/16" | 8° | 1,700 | Cast Iron | Set Screws | 000000000 | 000000 |
| 1 15/16" | 4" | 1/2" | 1/4" | 8° | 1,700 | Cast Iron | Set Screws | 000000000 | 000000 |
| 2" | 4" | 1/2" | 1/4" | 8° | 1,700 | Cast Iron | Set Screws | 000000000 | 000000 |
| 2 1/2" | 4" | 5/8" | 5/16" | 8° | 1,700 | Cast Iron | Set Screws | 000000000 | 000000 |
4545 Style Bushing | |||||||||
| 2" | 4 1/2" | 1/2" | 1/4" | 8° | 2,450 | Cast Iron | Set Screws | 000000000 | 000000 |
| 2 1/2" | 4 1/2" | 5/8" | 5/16" | 8° | 2,450 | Cast Iron | Set Screws | 000000000 | 000000 |
| 2 15/16" | 4 1/2" | 3/4" | 3/8" | 8° | 2,450 | Cast Iron | Set Screws | 000000000 | 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 | ||||||||
E Style Bushing | ||||||||
| 35mm | 67mm | 10mm | 3.3mm | 720 | Cast Iron | Clamping Screws | 0000000 | 0000000 |
| 65mm | 67mm | 18mm | 4.4mm | 720 | Cast Iron | Clamping Screws | 0000000 | 000000 |
| 75mm | 67mm | 20mm | 4.9mm | 720 | Cast Iron | Clamping Screws | 0000000 | 000000 |
SD Style Bushing | ||||||||
| 1 3/4" | 1 13/16" | 3/8" | 1/8" | 108 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
| 1 7/8" | 1 13/16" | 1/2" | 1/16" | 108 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
| 1 15/16" | 1 13/16" | 1/2" | 1/16" | 108 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
| 2" | 1 13/16" | __ | __ | 108 | Cast Iron | Clamping Screws | 00000000 | 00000 |
| 42mm | 46mm | 12mm | 3.3mm | 108 | Cast Iron | Clamping Screws | 0000000 | 00000 |
SDS Style Bushing | ||||||||
| 1 7/8" | 1 3/8" | 1/2" | 1/16" | 108 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
| 1 15/16" | 1 3/8" | 1/2" | 1/16" | 108 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
| 2" | 1 3/8" | __ | __ | 108 | Cast Iron | Clamping Screws | 00000000 | 00000 |
| 42mm | 35mm | 12mm | 3.3mm | 108 | Cast Iron | Clamping Screws | 0000000 | 00000 |
SF Style Bushing | ||||||||
| 2 3/4" | 2 1/16" | 5/8" | 1/16" | 360 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
| 2 15/16" | 2 1/16" | 3/4" | 1/32" | 360 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
SK Style Bushing | ||||||||
| 2 1/4" | 1 15/16" | 1/2" | 1/8" | 180 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
| 2 3/8" | 1 15/16" | 5/8" | 1/16" | 180 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
| 2 1/2" | 1 15/16" | 5/8" | 1/16" | 180 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
| 2 5/8" | 1 15/16" | __ | __ | 180 | Cast Iron | Clamping Screws | 00000000 | 00000 |
| 55mm | 49mm | 16mm | 4.3mm | 180 | Cast Iron | Clamping Screws | 0000000 | 00000 |