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42t Gear with 1/2" Hex Bore

 42t Gear with 1/2" Hex Bore
  • 64t Gear with Hex Bore & VersaKeys
  • 28t Gear with 1/2" Hex Bore, Steel

1/2" Hex Bore Gears (31 Choices)

VEXpro offers an assortment of gear types, chosen to provide the greatest versatility of gearing options to users. Our sizes were specifically selected to provide a wide spread of of ratio options useful for FIRST ® Robotics Competition designers. Larger size VEXpro gears are available so designers can accomplish their entire reduction in a single stage where otherwise they would have used more than one! Use steel gears for high-torque situations, and aluminum gears to save precious weight.

All VEXpro gears are 20DP 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
  • Aluminum Gears made from 7075-T6 aluminum with a teflon infused ceramic coating
  • Steel Gears made from 4140 steel with nitrade case hardening to RC42 - RC60
  • Overall width 0.500"
Product Name P/N: Availability Price Qty
18t Gear with 1/2" Hex Bore 217-3209
In Stock
CDN$ 9.99
18t Gear with 1/2" Hex Bore (Steel) 217-5460
In Stock
CDN$ 10.99
20t Gear with 1/2" Hex Bore 217-2702
In Stock
CDN$ 9.99
20t Gear with 1/2" Hex Bore (Steel) 217-5461
In Stock
CDN$ 10.99
22t Gear with 1/2" Hex Bore (Steel) 217-5463
In Stock
CDN$ 10.99
24t Gear with 1/2" Hex Bore 217-2704
In Stock
CDN$ 9.99
24t Gear with 1/2" Hex Bore (Steel) 217-5464
In Stock
CDN$ 10.99
26t Gear with 1/2" Hex Bore (Steel) 217-5466
In Stock
CDN$ 11.99
28t Gear with 1/2" Hex Bore (Steel) 217-5468
In Stock
CDN$ 11.99
30t Gear with 1/2" Hex Bore 217-2705
In Stock
CDN$ 11.99
30t Gear with 1/2" Hex Bore (Steel) 217-5469
In Stock
CDN$ 12.99
34t Gear with 1/2" Hex Bore 217-2706
In Stock
CDN$ 11.99
36t Gear with 1/2" Hex Bore 217-3214
In Stock
CDN$ 12.99
40t Gear with 1/2" Hex Bore 217-2708
In Stock
CDN$ 12.99
42t Gear with 1/2" Hex Bore 217-3216
In Stock
CDN$ 12.99
44t Gear with 1/2" Hex Bore 217-2710
In Stock
CDN$ 15.99
48t Gear with 1/2" Hex Bore & VersaKeys 217-3218
In Stock
CDN$ 19.99
50t Gear with 1/2" Hex Bore 217-3572
In Stock
CDN$ 16.99
50t Gear with 1/2" Hex Bore & VersaKeys 217-2712
In Stock
CDN$ 25.99
54t Gear with 1/2" Hex Bore 217-3573
In Stock
CDN$ 16.99
54t Gear with 1/2" Hex Bore & VersaKeys 217-3221
In Stock
CDN$ 25.99
60t Gear with 1/2" Hex Bore 217-3574
In Stock
CDN$ 19.99
60t Gear with 1/2" Hex Bore & VersaKeys 217-2714
In Stock
CDN$ 25.99
64t Gear with 1/2" Hex Bore 217-3575
In Stock
CDN$ 19.99
64t Gear with 1/2" Hex Bore & VersaKeys 217-2715
In Stock
CDN$ 28.99
66t Gear with 1/2" Hex Bore & VersaKeys 217-3223
In Stock
CDN$ 28.99
70t Gear with 1/2" Hex Bore & VersaKeys 217-3224
In Stock
CDN$ 32.99
72t Gear with 1/2" Hex Bore 217-3576
In Stock
CDN$ 25.99
72t Gear with 1/2" Hex Bore & VersaKeys 217-2716
In Stock
CDN$ 32.99
84t Gear with 1/2" Hex Bore 217-3577
In Stock
CDN$ 25.99
84t Gear with 1/2" Hex Bore & VersaKeys 217-2717
In Stock
CDN$ 32.99
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VEXpro Gear Reference Guide

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.





Technical Specifications

Diametral Pitch: 20DP

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.

Weight:
  • 217-3209 (18t Gear with 1/2" Hex Bore): 0.025 lb
  • 217-5460 (18t Gear with 1/2" Hex Bore, Steel): 0.025 lb
  • 217-2702 (20t Gear with 1/2" Hex Bore): 0.031 lb
  • 217-5461 (20t Gear with 1/2" Hex Bore, Steel): 0.074 lb
  • 217-5463 (22t Gear with 1/2" Hex Bore, Steel): 0.095 lb
  • 217-2704 (24t Gear with 1/2" Hex Bore): 0.046 lb
  • 217-5464 (24t Gear with 1/2" Hex Bore, Steel): 0.120 lb
  • 217-5466 (26t Gear with 1/2" Hex Bore, Steel): 0.173 lb
  • 217-5468 (28t Gear with 1/2" Hex Bore, Steel): 0.145 lb
  • 217-2705 (30t Gear with 1/2" Hex Bore): 0.065 lb
  • 217-5469 (30t Gear with 1/2" Hex Bore, Steel): 0.165 lb
  • 217-2706 (34t Gear with 1/2" Hex Bore): 0.084 lb
  • 217-3214 (36t Gear with 1/2" Hex Bore): 0.096 lb
  • 217-2708 (40t Gear with 1/2" Hex Bore): 0.12 lb
  • 217-3216 (42t Gear with 1/2" Hex Bore): 0.13 lb
  • 217-2710 (44t Gear with 1/2" Hex Bore): 0.143 lb
  • 217-3218 (48t Gear with 1/2" Hex Bore & VersaKeys): 0.138 lb
  • 217-3572 (50t Gear with 1/2" Hex Bore): 0.184 lb
  • 217-2712 (50t Gear with 1/2" Hex Bore & VersaKeys): 0.154 lb
  • 217-3573 (54t Gear with 1/2" Hex Bore): 0.214 lb
  • 217-3221 (54t Gear with 1/2" Hex Bore & VersaKeys): 0.182 lb
  • 217-3574 (60t Gear with 1/2" Hex Bore): 0.262 lb
  • 217-2714 (60t Gear with 1/2" Hex Bore & VersaKeys): 0.234 lb
  • 217-3575 (64t Gear with 1/2" Hex Bore): 0.3 lb
  • 217-2715 (64t Gear with 1/2" Hex Bore & VersaKeys): 0.273 lb
  • 217-3223 (66t Gear with 1/2" Hex Bore & VersaKeys): 0.29 lb
  • 217-3224 (70t Gear with 1/2" Hex Bore & VersaKeys): 0.332 lb
  • 217-3576 (72t Gear with 1/2" Hex Bore): 0.384 lb
  • 217-2716 (72t Gear with 1/2" Hex Bore & VersaKeys): 0.358 lb
  • 217-3577 (84t Gear with 1/2" Hex Bore): 0.53 lb
  • 217-2717 (84t Gear with 1/2" Hex Bore & VersaKeys): 0.503 lb