KAG2.5-20R2J14 is a right-hand helical worm gear with a 2.5 module, 20 teeth, 2 starts, and a 14 mm bore, made from CAC702 aluminum bronze with a standard full-depth tooth profile and a 20° normal pressure angle. It has a face width of 20 mm, an outside diameter of 57.5 mm, a hub width of 34 mm, and a mounting distance of 43.5 mm. The gear is precision grade KHK W 002 grade 2, with a backlash range of 0.14 to 0.27 mm, a web thickness of 14 mm, and a web outer diameter of 34 mm. The weight is 0.39 kg. The part is a J series variant, available on request with a lead time of up to five working days and limited to 1-20 units per order. Keyways conform to JIS B1301 Js9 tolerance. No heat treatment is applied to the teeth.
Module 2.5, 20 Tooth, 2 Start, Right Handed Aluminum Bronze Worm Gear with 14mm Finished Bore
A worm gear pair, or worm gear set, consists of two gears: the worm, which resembles a spiral screw, and the worm gear (aka, worm wheel).
For the pair to mesh, the worm and worm gear must have the same pressure angles, modules, and lead directions (left- or right-hand).
A worm revolves on a shaft that’s perpendicular to the worm gear and the shaft angle is typically 90°. Because the teeth gradually mesh as the worm rotates, there is low noise and low vibration.
For more about worm gear mesh geometry follow this link.
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| QTC METRIC GEARS | Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|---|
| Product Category | Gears | Gears |
| Product Number | KAG2.5-20R2J14 | KAG2.5-20R2J14 |
| Product Name | Right Hand Lead Worm Gears (metric) | Module 2.5, 20 Tooth, 2 Start, Right Handed Aluminum Bronze Worm Gear with 14mm Finished Bore |
| Number of Teeth | 20 | 20 |
| Design | Metric | |
| Pressure Angle | 20° | 20° |
| Mounting | Keyway; Set Screw | Keyway |
| PD | 50 mm (1.97 inch) | 50 mm (1.97 inch) |
