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.
Gear Type | Tooth Count | Gear | SKU | Configure |
---|---|---|---|---|
Steel Spur Gears | 18T | 18T Steel Spur Gear (20 DP, 1/2" Hex Bore) | 217-5460 | Select |
20T | 20T Steel Spur Gear (20 DP, 1/2" Hex Bore) | 217-5461 | Select | |
22T | 22T Steel Spur Gear (20 DP, 1/2" Hex Bore) | 217-5463 | Select | |
24T | 24T Steel Spur Gear (20 DP, 1/2" Hex Bore) | 217-5464 | Select | |
26T | 26T Steel Spur Gear (20 DP, 1/2" Hex Bore) | 217-5466 | Select | |
28T | 28T Steel Spur Gear (20 DP, 1/2" Hex Bore) | 217-5468 | Select | |
30T | 30T Steel Spur Gear (20 DP, 1/2" Hex Bore) | 217-5469 | Select | |
Aluminum Spur Gears (No VersaKeys) |
18T | 18T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-3209 | Select |
20T | 20T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-2702 | Select | |
22T | 22T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5462 | Select | |
24T | 24T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-2704 | Select | |
26T | 26T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5465 | Select | |
28T | 28T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5467 | Select | |
30T | 30T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-2705 | Select | |
32T | 32T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5470 | Select | |
34T | 34T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-2706 | Select | |
36T | 36T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-3214 | Select | |
38T | 38T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5471 | Select | |
40T | 40T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-2708 | Select | |
42T | 42T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-3216 | Select | |
44T | 44T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-2710 | Select | |
46T | 46T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5472 | Select | |
50T | 50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-3572 | Select | |
52T | 52T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5473 | Select | |
54T | 54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-3573 | Select | |
56T | 56T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5474 | Select | |
58T | 58T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5475 | Select | |
60T | 60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-3574 | Select | |
62T | 62T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5476 | Select | |
64T | 64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-3575 | Select | |
68T | 68T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5477 | Select | |
72T | 72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-3576 | Select | |
74T | 74T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5478 | Select | |
76T | 76T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5479 | Select | |
78T | 78T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5480 | Select | |
80T | 80T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5481 | Select | |
82T | 82T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-5482 | Select | |
84T | 84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) | 217-3577 | Select | |
Aluminum Spur Gears (With VersaKeys) |
48T | 48T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) | 217-3218 | Select |
50T | 50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) | 217-2712 | Select | |
54T | 54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) | 217-3221 | Select | |
60T | 60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) | 217-2714 | Select | |
64T | 64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) | 217-2715 | Select | |
66T | 66T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) | 217-3223 | Select | |
70T | 70T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, Versakeys) | 217-3224 | Select | |
72T | 72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) | 217-2716 | Select | |
84T | 84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) | 217-2717 | Select |
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.
Or use the West Coast Products Gear Calculator to ensure your robot is properly designed and you know exactly what to order!
Steel Spur Gears
- 217-5460; 18T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.025 lb
- 217-5461; 20T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.074 lb
- 217-5463; 22T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.095 lb
- 217-5464; 24T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.120 lb
- 217-5466; 26T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.173 lb
- 217-5468; 28T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.145 lb
- 217-5469; 30T Steel Spur Gear (20 DP, 1/2" Hex Bore): 0.165 lb
Aluminum Spur Gears (No VersaKeys)
- 217-3209; 18T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.054 lb
- 217-2702; 20T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.031 lb
- 217-5462; 22T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.035 lb
- 217-2704; 24T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.046 lb
- 217-5465; 26T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.052 lb
- 217-5467; 28T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.063 lb
- 217-2705; 30T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.065 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
- 217-3572; 50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.184 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
- 217-5474; 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
- 217-5476; 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
- 217-5477; 68T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.29 lb
- 217-3576; 72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.384 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
Aluminum Spur Gears (With VersaKeys)
- 217-3218; 48T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.138 lb
- 217-2712; 50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.154 lb
- 217-3221; 54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.182 lb
- 217-2714; 60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.234 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
- 217-3224; 70T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, Versakeys): 0.332 lb
- 217-2716; 72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.358 lb
- 217-2717; 84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys): 0.503 lb
Â
- Diametral Pitch: 20 DP
- Pressure Angle: 14.5 Degrees
- Gear Quality:Â AGMA 11
- Face Width (gears 24T or smaller): 0.475"
- Face Width (gears 30T or larger): 0.375"
- Overall Width:Â 0.500"
VEXpro gears require lubrication. We recommend white lithium grease.
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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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22T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5463)
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24T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5464)
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26T Steel Spur Gear (20 DP, 1/2" Hex Bore) (217-5466)
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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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1/2" Hex Bore Aluminum Gears (No VersaKeys)
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18T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3209)
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20T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2702)
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22T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5462)
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24T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2704)
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26T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5465)
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28T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5467)
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30T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2705)
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32T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5470)
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34T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2706)
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36T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3214)
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38T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5471)
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40T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2708)
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42T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3216)
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44T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-2710)
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46T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5472)
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50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3572)
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52T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5473)
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54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3573)
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56T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5474)
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58T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5475)
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60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3574)
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62T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5476)
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64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3575)
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68T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5477)
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72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3576)
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74T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5478)
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76T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5479)
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78T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5480)
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80T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5481)
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82T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-5482)
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84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) (217-3577)
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1/2" Hex Bore Aluminum Gears (With VersaKeys)
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48T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-3218)
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50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-2712)
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54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-3221)
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60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-2714)
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64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-2715)
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66T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) (217-3223)
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70T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, Versakeys) (217-3224)
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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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