4303 Series Steel, MOD 0.8 Pinion Gear (8mm REX Bore, 20 Tooth)
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Description
Competition eligibility
Legal for FIRST Tech Challenge (FTC) and FIRST Robotics Competition (FRC). Eligibility is set by each season's game manual — check the current rules before you compete.
The pinion gears here are able to mount on a shaft without the need for a hub. While pinion gears are most commonly associated with being the first gear in a geartrain, they certainly don’t have to be. If your build is going to take a beating, consider 8mm REX. These gears are constructed of hardened steel and mount with two set screws for excellent hold on 8mm REX shafting.This 20 tooth 8mm REX bore pinion gear is ready to rip! The bore perfectly matches our 8mm REX shafting to create a positive drive. While little work is left for the set screws, we put two of them in for good measure. This particular gear is most commonly mated to a 100 tooth hub gear in order to create a 5:1 ratio however if your build provides the freedom to adjust the spacing between your gears, it’s able to mesh to any MOD 0.8 gear that suits your fancy.
Pressure Angle 20 Degree
Technical drawing
Competition eligibility
| FIRST Tech Challenge (FTC) | Legal |
| FIRST Robotics Competition (FRC) | Legal |
Specifications
| Part number | 4303-4008-0020 |
| Weight | 14g |
| Material | Steel |
| Finish | Black Zinc-Plated |
| Tooth Count | 20 |
| Gear Pitch | MOD 0.8 |
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