S13S1YMK35G20L20 is a left-hand spiral miter gear with module 3.5, 20 teeth, a 20 mm bore, and a face width of 22 mm. It features induction-hardened AISI 1045 steel teeth with a Rockwell hardness of HRC 48 to 53, and has a black oxide finish except on the ground bore and tooth surfaces. The gear has a 35° spiral angle, a 20° pressure angle, and a hub diameter of 65 mm with a 17.5 mm hub projection. The pitch diameter is 91.81 mm, and the axial distance from the back of the hub to the tooth face is 67.77 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 | S13S1YMK35G20L20 |
| Product Name | 35° Left handed spiral miter gear, Finish with ground tooth surface & Bore |
| Gear Type | Rack |
| Number of Teeth | 20 |
| Direction | Left |
