KBG2.5-20L1J16 is a left-hand lead bronze worm gear from the KHK KBG series, with a module of 2.5, 20 teeth, and one start. It has a 16 mm finished bore, a hub diameter of 35 mm, a pitch diameter of 50.11 mm, an outside diameter of 55 mm, and a face width of 22 mm. The helix angle is 3°52', and it is produced with a sand mold casting finish. The gear adheres to KHK W 002 grade 4 precision standards. It has an allowable torque range of 0.13-0.31 mm backlash at 30-1200 rpm and weighs 0.49 kg. The part is marked as a J Series variant, available on request.
Module 2.5, 20 Tooth, 1 Start, Left Handed Bronze Worm Gear with 16mm 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 | KBG2.5-20L1J16 | KBG2.5-20L1J16 |
| Product Name | Left Hand Lead Worm Gears (metric) | Module 2.5, 20 Tooth, 1 Start, Left Handed Bronze Worm Gear with 16mm 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) |
