20 DP, 1/2" Hex Bore Gears (47 Choices)
VEXpro offers an assortment of gear types, chosen to provide the greatest versatility of gearing options to users. Our sizes were specifically chosen to provide a wide spread of ratio options useful for robot designers. Larger size VEXpro gears are available so designers can accomplish their entire reduction in a single stage!
All VEXpro gears are 20 DP with 14.5 degree pressure angle, and have the same overall width -- this means it is easy to interchange VEXpro gears in your design to change a ratio without modifying the overall system; true versatility.
- 1/2" hex bores for use on hex shafts
- Made from 7075-T6 aluminum with a teflon infused ceramic coating
- Overall width 0.500"
Note: Hex bore and / or Versakey patterns are not indexed to each other, or keyed to gear teeth.
VEXpro Gear Reference Guide
Can't tell a 40T gear from a 42T, but don't want to count the teeth? The VEXpro Gear Reference guide contains 1:1 outlines of all VEXpro gears for quick identification.
Click here to download the VEXpro Gear Reference Guide. Note: Calibrate your printer scaling by printing the first page and checking the 1" line in the bottom right.
217-5460; 18T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.025 lb
217-2702; 20T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.031 lb
217-5461; 20T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.074 lb
217-5462; 22T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.035 lb
217-5463; 22T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.095 lb
217-2704; 24T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.046 lb
217-5464; 24T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.120 lb
217-5465; 26T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.052 lb
217-5466; 26T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.173 lb
217-5467; 28T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.063 lb
217-5468; 28T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.145 lb
217-2705; 30T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.065 lb
217-5469; 30T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.165 lb
217-5470; 32T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.069 lb
217-2706; 34T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.084 lb
217-3214; 36T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.096 lb
217-5471; 38T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.1 lb
217-2708; 40T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.12 lb
217-3216; 42T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.13 lb
217-2710; 44T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.143 lb
217-5472; 46T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.15 lb
217-3218; 48T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.138 lb
217-3572; 50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.184 lb
217-2712; 50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.154 lb
217-5473; 52T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.194 lb
217-3573; 54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.214 lb
217-3221; 54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.182 lb
217-5474; 56T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.226 lb
217-5475; 58T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.243 lb
217-3574; 60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.262 lb
217-2714; 60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.234 lb
217-5476; 62T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.279 lb
217-3575; 64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.3 lb
217-2715; 64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.273 lb
217-3223; 66T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.29 lb
217-5477; 68T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.29 lb
217-3224; 70T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, Versakeys): 0.332 lb
217-3576; 72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.384 lb
217-2716; 72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.358 lb
217-5478; 74T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.4 lb
217-5479; 76T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.422 lb
217-5480; 78T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.446 lb
217-5481; 80T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.469 lb
217-5482; 82T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.493 lb
217-3577; 84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.53 lb
217-2717; 84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.503 lb
Pressure Angle: 14.5 Degrees
Gear Quality: AGMA 11
Face Width (gears 24T or smaller): 0.475"
Face Width (gears 30T or larger): 0.375"
Overall Width: 0.500"
VEXpro gears require lubrication. We recommend white lithium grease.
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1/2" Hex Bore Aluminum Gears
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60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3574)
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50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3572)
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48T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-3218)
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36T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3214)
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80T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5481)
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22T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5462)
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84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3577)
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46T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5472)
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18T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3209)
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28T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5467)
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78T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5480)
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54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3573)
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44T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2710)
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54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-3221)
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38T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5471)
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52T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5473)
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82T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5482)
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58T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5475)
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66T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-3223)
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62T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5476)
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34T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2706)
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74T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5478)
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40T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2708)
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56T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5474)
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72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-2716)
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84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-2717)
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72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3576)
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64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3575)
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26T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5465)
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76T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5479)
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64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-2715)
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20T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2702)
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50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-2712)
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60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-2714)
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68T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5477)
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70T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, Versakeys) (217-3224)
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24T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2704)
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32T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5470)
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42T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3216)
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30T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2705)
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1/2" Hex Bore Steel Gears
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18T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5460)
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20T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5461)
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26T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5466)
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22T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5463)
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28T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5468)
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30T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5469)
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24T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5464)
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