20 DP, 1/2" Hex Bore Gears (47 Choices)

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products and accessories

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.

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Grouped product items
Product Name	SKU	Qty
18T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $9.99	217-3209
18T Steel Spur Gear (20 DP, 1/2" Hex Bore) $10.99	217-5460
20T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $9.99	217-2702
20T Steel Spur Gear (20 DP, 1/2" Hex Bore) $10.99	217-5461
22T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $9.99	217-5462
22T Steel Spur Gear (20 DP, 1/2" Hex Bore) $10.99	217-5463
24T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $9.99	217-2704
24T Steel Spur Gear (20 DP, 1/2" Hex Bore) $10.99	217-5464
26T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $10.99	217-5465
26T Steel Spur Gear (20 DP, 1/2" Hex Bore) $11.99	217-5466
28T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $10.99	217-5467
28T Steel Spur Gear (20 DP, 1/2" Hex Bore) $11.99	217-5468
30T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $10.99	217-2705
30T Steel Spur Gear (20 DP, 1/2" Hex Bore) $11.99	217-5469
32T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $10.99	217-5470
34T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $10.99	217-2706
36T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $11.99	217-3214
38T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $11.99	217-5471
40T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $12.99	217-2708
42T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $12.99	217-3216
44T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $14.99	217-2710
46T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $15.99	217-5472
48T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) $17.99	217-3218
50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $15.99	217-3572
50T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) $22.99	217-2712
52T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $19.99	217-5473
54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $19.99	217-3573
54T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) $24.99	217-3221
56T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $19.99	217-5474
58T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $19.99	217-5475
60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $19.99	217-3574
60T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) $24.99	217-2714
62T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $24.99	217-5476
64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $24.99	217-3575
64T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) $24.99	217-2715
66T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) $24.99	217-3223
68T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $24.99	217-5477
70T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, Versakeys) $29.99	217-3224
72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $24.99	217-3576
72T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) $29.99	217-2716
74T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $24.99	217-5478
76T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $24.99	217-5479
78T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $24.99	217-5480
80T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $24.99	217-5481
82T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $29.99	217-5482
84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore) $29.99	217-3577
84T Aluminum Spur Gear (20 DP, 1/2" Hex Bore, VersaKeys) $34.99	217-2717

Details

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.

Drawing

All VEXpro Gears with 1/2" Hex Bore

Weight

217-3209; 18T Aluminum Spur Gear (20 DP, 1/2" Hex Bore): 0.054 lb
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

Other Info

Diametral Pitch: 20 DP

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.

CAD Files

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20 DP, 1/2" Hex Bore Gears (47 Choices)

VEXpro Gear Reference Guide

1/2" Hex Bore Aluminum Gears

1/2" Hex Bore Steel Gears