Roller Chain Trade Size Roller Chain Trade Size |
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System of Measurement System of Measurement |
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Material Material |
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Bore Type Bore Type |
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| Machinable | Round |
OD OD | Show |
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OD OD | Hide |
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For Maximum Shaft Diameter For Maximum Shaft Diameter |
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For Roller Chain Strand Type For Roller Chain Strand Type |
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 | Single |
Component Component |
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 | Gear |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Sprocket Type Sprocket Type |
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Gear Type Gear Type |
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| Spur |
Pressure Angle Pressure Angle |
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About Roller Chain and Sprockets
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About Gears
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Sprockets for Metric Roller Chain
Designed to meet ISO 606 and DIN 8187 international dimensional standards, these sprockets are for use with compatible ISO and DIN roller chain. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size.
For technical drawings and 3-D models, click on a part number.
| Number of Teeth | For Shaft Dia., mm | For Max. Shaft Dia., mm | OD, mm | Overall Wd., mm | Hub Dia., mm | Material | Specifications Met | Each | |
For DIN, ISO 05B Roller Chain (8 mm Pitch) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 20 | 8 | 25 | 55 | 14 | 30 | Steel | DIN 8187, ISO 606 | 0000000 | 000000 |
Flush-Mount Screw-Clamp Bushings
Insert these bushings into the bore of your sprocket for flush or recessed mounting. They handle shock loads and have higher torque ratings than self-centering bushings. When you tighten the included clamping screws, the bushing's inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. They can be mounted on shafts with or without keyways.
For technical drawings and 3-D models, click on a part number.
| For Shaft Dia. | OD | Overall Wd. | Max. Torque, in.-lbs. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
| 24mm | 55mm | 40mm | 6,650 | 142 | Steel | Clamping Screws | 0000000 | 0000000 |
| 25mm | 55mm | 40mm | 6,950 | 142 | Steel | Clamping Screws | 0000000 | 000000 |
| 28mm | 55mm | 40mm | 7,750 | 142 | Steel | Clamping Screws | 0000000 | 000000 |
| 30mm | 55mm | 40mm | 8,350 | 142 | Steel | Clamping Screws | 0000000 | 000000 |
Metal Gears and Gear Racks—20° Pressure Angle
The current industry standard, these 20° pressure angle gears have thicker, stronger teeth than 14½° pressure angle gears. Compared to plastic gears and racks, they’re better for high-load, high-speed, and heavy duty applications. Also known as spur gears.
Combine gears with different numbers of teeth to change speed and torque in your assembly. Combine a gear and rack to convert rotary motion into linear motion. To minimize your footprint, mount one or more standard gears inside of an internal gear.
For components to mesh correctly, they must have the same pressure angle and pitch/module.
Gears with teeth that are not hardened can be hardened to fit your application.
Stainless steel gears and racks resist rust in damp and wet environments, so they're commonly used in food-processing plants and other areas with frequent cleaning.
For technical drawings and 3-D models, click on a part number.
