Tank Track, Idler wheels, spacers by fastmike75 3d model
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Tank Track, Idler wheels, spacers by fastmike75

Tank Track, Idler wheels, spacers by fastmike75

by Thingiverse
Last crawled date: 3 years ago
These Tank Idler wheels are made to go with the Tank Track 2in and Idler arms in my things. They will work with other tracks on Thingiverse also.
These are the main Idler rollers that hold the Tank Track in place and support the weight of tank. The stubs space them out to the right distance from tank side rail. These are made to use 1/4" x 3/8" x 1/8" sealed ball bearings and 1/4" x 1 1/2" shoulder bolts (stripper bolts). They place idlers at 1 1/2" center from the side rail, perfect for mounting track. Use (4) #212 National o-rings on idlers to make them run smother and quieter on track.
See the worm gear case and idler arms for drill guide PDF download of frame drilling. I will usually have frame rail kits on eBay.
Update October 2016: Uploaded a few more idler wheels to choose from. O-Rings are kind of expensive when you need a lot of them. There is a 2 O-Ring Idler roller and a Blank one with no O-Ring grooves.
Update December, 2017: Just downloaded some mag wheel type tank track idler wheels in bigger sizes. Please see my things for tank related parts

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