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Mounting Distance Mounting Distance |
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Teeth Heat Treatment Teeth Heat Treatment |
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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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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Gears
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Metal Ratcheting Gears
Compared to plastic gears, these metal ratcheting gears are better for high-load, high-speed, and heavy duty applications. Used to prevent unwanted motion in jacks, tie downs, clutches, and winches, ratchet gears have sloped teeth that allow motion in one direction and prevent it in the other.
Gears with hardened teeth are more wear resistant than gears with teeth that are not hardened. Gears with teeth that are not hardened can be hardened to fit your application. Hardening a gear’s teeth increases its wear resistance.
For technical drawings and 3-D models, click on a part number.
Hub | |||||||||||
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| Face Wd. | Number of Teeth | OD | For Shaft Dia. | Mounting Distance | Material | Teeth Heat Treatment | Overall Wd. | Dia. | Wd. | Each | |
Round Bore | |||||||||||
| 1/4" | 18 | 0.75" | 3/8" | 0.74" | 303 Stainless Steel | Not Hardened | __ | __ | __ | 0000000 | 000000 |
| 1/4" | 24 | 1" | 3/8" | 0.83" | 303 Stainless Steel | Not Hardened | __ | __ | __ | 0000000 | 00000 |
| 1/4" | 30 | 1.25" | 1/4" | 0.92" | 303 Stainless Steel | Not Hardened | __ | __ | __ | 0000000 | 00000 |
| 3/8" | 24 | 1.5" | 11/16" | 1.6" | 303 Stainless Steel | Not Hardened | __ | __ | __ | 0000000 | 00000 |
| 3/8" | 32 | 2" | 11/16" | 1.75" | 303 Stainless Steel | Not Hardened | __ | __ | __ | 0000000 | 00000 |
| 3/8" | 48 | 3" | 11/16" | 2.1" | 303 Stainless Steel | Not Hardened | __ | __ | __ | 0000000 | 00000 |
| 3/8" | 64 | 4" | 11/16" | 2.5" | 303 Stainless Steel | Not Hardened | __ | __ | __ | 0000000 | 00000 |
| 6mm | 50 | 33.3mm | 10mm | 33.8mm | 1045 Carbon Steel | Hardened | 6 mm | __ | __ | 0000000 | 00000 |
| 6mm | 50 | 33.3mm | 10mm | 33.8mm | 1045 Carbon Steel | Hardened | 16 mm | 25 mm | 10 mm | 0000000 | 00000 |
| 6mm | 60 | 40mm | 10mm | 35.5mm | 1045 Carbon Steel | Hardened | 6 mm | __ | __ | 0000000 | 00000 |
| 6mm | 80 | 53.3mm | 12mm | 39.5mm | 1045 Carbon Steel | Hardened | 16 mm | 35 mm | 10 mm | 0000000 | 00000 |
| 6mm | 100 | 66.6mm | 12mm | 44.1mm | 1045 Carbon Steel | Hardened | 6 mm | __ | __ | 0000000 | 00000 |
| 6mm | 100 | 66.6mm | 12mm | 44.1mm | 1045 Carbon Steel | Hardened | 16 mm | 40 mm | 10 mm | 0000000 | 00000 |
| 12mm | 50 | 50mm | 12mm | 45.5mm | 1045 Carbon Steel | Hardened | 12 mm | __ | __ | 0000000 | 00000 |
| 12mm | 50 | 50mm | 12mm | 45.5mm | 1045 Carbon Steel | Hardened | 24 mm | 35 mm | 12 mm | 0000000 | 00000 |
| 12mm | 60 | 60mm | 15mm | 48.2mm | 1045 Carbon Steel | Hardened | 12 mm | __ | __ | 0000000 | 00000 |
| 12mm | 60 | 60mm | 15mm | 48.2mm | 1045 Carbon Steel | Hardened | 24 mm | 40 mm | 12 mm | 0000000 | 00000 |
| 12mm | 80 | 80mm | 15mm | 54.7mm | 1045 Carbon Steel | Hardened | 12 mm | __ | __ | 0000000 | 00000 |
| 12mm | 80 | 80mm | 15mm | 54.7mm | 1045 Carbon Steel | Hardened | 24 mm | 50 mm | 12 mm | 0000000 | 00000 |
| 12mm | 100 | 100mm | 15mm | 62.2mm | 1045 Carbon Steel | Hardened | 12 mm | __ | __ | 0000000 | 00000 |
| 12mm | 100 | 100mm | 15mm | 62.2mm | 1045 Carbon Steel | Hardened | 24 mm | 50 mm | 12 mm | 0000000 | 00000 |
| 15mm | 30 | 60mm | 15mm | 61.2mm | 1045 Carbon Steel | Hardened | 15 mm | __ | __ | 0000000 | 00000 |
| 15mm | 60 | 120mm | 15mm | 79.1mm | 1045 Carbon Steel | Hardened | 15 mm | __ | __ | 0000000 | 00000 |
| 20mm | 30 | 90mm | 15mm | 76.3mm | 1045 Carbon Steel | Hardened | 20 mm | __ | __ | 0000000 | 00000 |
| 20mm | 40 | 120mm | 20mm | 85.2mm | 1045 Carbon Steel | Hardened | 20 mm | __ | __ | 0000000 | 000000 |
| 20mm | 50 | 150mm | 20mm | 95.5mm | 1045 Carbon Steel | Hardened | 20 mm | __ | __ | 0000000 | 000000 |
| 25mm | 30 | 120mm | 20mm | 95.7mm | 1045 Carbon Steel | Hardened | 25 mm | __ | __ | 0000000 | 000000 |
| 25mm | 50 | 200mm | 20mm | 122.4mm | 1045 Carbon Steel | Hardened | 43 mm | 100 mm | 18 mm | 00000000 | 000000 |
Plastic Ratcheting Gears
A light duty alternative to metal, these plastic ratcheting gears run quieter than metal gears and have good corrosion and chemical resistance. Used to prevent unwanted motion in spools, clocks, and printers, ratchet gears have sloped teeth that allow motion in one direction and prevent it in the other.
A pawl is required to prevent backward motion.
For technical drawings and 3-D models, click on a part number.