Module 3 steel spur gear with 25 teeth, manufactured from S45C steel, featuring a 20° pressure angle and JIS grade N8 precision per JIS B1702-1:1998. The part has a 25mm finished bore, an M6 keyway, and a tooth width of 7.5mm. Backlash is specified as 0.18~0.38mm, and the allowable torque is 0.80 N·m. The gear is available as an order-to-request variant requiring a lead time of up to 5 working days, with production limited to 1-20 units per order.
Module 3, 21 Tooth Mild Steel Spur Gear with 25mm Finished Bore
Inch Gears: AGMA 12, 10, 9, and 8
Available Pitches: 120 thru 16
Pressure Angles: 20° and 14.5°
Metric Gears: ISO 5 thru 9
Available Modules: 0.3 thru 3
Pressure Angles: 20° and 14.5°
For custom components or modifications
to a standard part, call us or submit an RFQ.
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Elements of Metric Gear Technology
How to Achieve Optimum Performance in a Miniature Gear Train
You May Also Need:
Shafts
Bearings
Couplings
Our metal spur gears are available in a variety of materials, including:
With a variety of fastening styles, including:
| QTC METRIC GEARS | Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|---|
| Product Category | Gears | Gears |
| Product Number | KSS3-21J25 | KSS3-21J25 |
| Product Name | Metal Spur Gears (metric) | Module 3, 21 Tooth Mild Steel Spur Gear with 25mm Finished Bore |
| Gear Type | Spur | Spur; Rack |
| Number of Teeth | 21 | 21 |
| Design | Metric | Metric |
| Pressure Angle | 20° | 20° |
| Material | Steel | Steel; Carbon Steel |
