The KPS3-18J20 is a plastic spur gear with a module of 3, 20 teeth, and a 6 × 2.8 mm keyway with an M5 set screw. It has a bore diameter of 18 mm, a pitch diameter of 60 mm, an outside diameter of 66 mm, a face width of 30 mm, a hub width of 15 mm, and a total length of 45 mm. The gear is made of MC901 nylon with a tooth hardness of 115-120 HRR and meets JIS grade N9 precision per JIS B1702-1:1998. The allowable torque is 7.5 N·m (0.77 kgf·m), and the theoretical backlash is 0.084 mm. A set screw is included and the keyway conforms to JIS B1301 with Js9 tolerance.
Module 3, 18 Tooth Nylon Spur Gear with Hub and 20mm Finished Bore
Our plastic spur gears are available in a variety of materials, including:
With a variety of fastening styles, including:
You May Also Need:
Shafts
Bearings
Couplings
For custom components or modifications to a standard part, call us or submit an RFQ.
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Design of Plastic Gears and General Considerations of Plastic Gearing
How to Achieve Optimum Performance in a Miniature Gear Train
| QTC METRIC GEARS | Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|---|
| Product Category | Gears | Gears |
| Product Number | KPS3-18J20 | KPS3-18J20 |
| Product Name | Plastic Spur Gears (metric) | Module 3, 18 Tooth Nylon Spur Gear with Hub and 20mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 18 | 18 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Nylon | Nylon; Nylon / No Insert |
