SL Roller Bearing Kit for G-Scale
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Estimated printing price per file
€4.07 – €4.97 net (excluding VAT)
For file: G-Scale Roller Bearings v2_0.3mm_PLA_.gcode
This is an estimate for one file. You’ll confirm the exact price before ordering.
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File used for this estimate
Average indicative estimate: €4.52 excluding VAT (range midpoint).
- Weight reported by the author
- 25 g
- Print time reported by the author
- 6.03 hr
- Source material
- PLA
- Estimate material
- PLA
- Estimate printer
- Bambu Lab P1S - 0.4 nozzle
- Estimate process
- 0.20mm Standard
Indicative estimate for the selected file only, based on the author’s weight and print time. File variants are not added together. The final price is calculated after file analysis.
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Bench top or display rack roller bearing kit to allow loco wheels to rotate but receive power from track rails.
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Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial
SL Roller Bearings for G-Scale
Materials needed:
Qty 4 – 5/16x1” hex bolt
Qty 4 – 5/16 Washer
Qty 4 – 5/16 Hex nut
Qty 4 - #608 Ball Bearings https://www.amazon.com/dp/B09QKP38SW?psc=1&ref=ppx_yo2ov_dt_b_product_details
K&S Metals 8231 – 0.016” x ½” brass strip
Best to use Organic supports for printing as the bottom bridging is critical to this piece working at its best. Even after using supports, cleanup with a knife is recommended. Holes for bolts may need to be reamed for 5/16” smoothness.
Assembly: Each bearing will need a brass strip cut to 30mm in length. Then bend at 18mm to form a sharp L. Insert to the bent L into the bottom such that the tip slides into the groove and the other end is ticked UNDER a washer as seen in the photo. Tighten each firmly, but make sure each bearing rotates freely.
You could get away with only one brass per side, but it’s recommended to use two to get maximum electrical contact. As the whole assembly sits on the rails, the brass contacts the rail top. The brass L is conductive and touches the washer, bolt assembly. The ball bearing is center rign will pick up that electrical contact and it too is conductive to the outer rim of the bearing.
Note: for locomotive wheels that don’t have electrical contacts, you can skip the brass inserts if desired.