The S13S1YMK30G25L20 is a left-hand spiral miter gear with a module of 3, 25 teeth, a 20 mm bore, and a face width of 20 mm. It features induction-hardened AISI 1045 steel teeth with a Rockwell hardness of HRC 48 to 53 and a black oxide finish except on the ground bore and tooth surfaces. The gear has a 35° spiral angle and a 20° pressure angle, and is designed for right-angle power transmission. The pitch diameter is 75 mm, hub diameter is 70 mm, hub length is 20 mm, and the distance from back of hub to gear face is 37.43 mm.
Standard straight-tooth miter gears are a type of bevel gear set that has a 1:1 ratio, identical dimensions, and the same number of teeth, allowing them to mate with one another and transmit rotational motion at a 90° angle. Although the number of teeth in a spiral miter gear set is the same, the twisting directions are different, preventing them from mating with one another. Our straight-tooth miter gears are manufactured utilizing a CNC Coniflex® interlocking cutting system. Spiral miter gears must be paired with one right-hand thread and one left-hand thread.
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| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Gears |
| Product Number | S13S1YMK30G25L20 |
| Product Name | 35° Left handed spiral miter gear, Finish with ground tooth surface & Bore |
| Gear Type | Rack |
| Number of Teeth | 25 |
| Direction | Left |
