Heads up: many models on this page are AI-generated or uploaded untested. They may be misconfigured for the intended application — check the dimensions and tolerances, and verify or edit the model before printing or relying on it.*
Winch Fairlead Top Brace
This top brace is part of the 'N20 Self-Locking Worm-Drive Winch' kit. It is a 96 x 50 x 6 mm ribbed plate that bolts across the tops of both 608 bearing cheeks with four M3x12 socket head cap screws, which go into the cheeks' M3 heat-set inserts through 3.4 mm holes with 6.5 mm counterbores. It holds the cheeks square and guides the line through a 32 x 10 mm round-ended hawse slot. The slot has 1.5 mm 45° chamfers top and bottom so the line never rubs on a sharp edge.
Twin-Flange Line Drum
Part of the 'N20 Self-Locking Worm-Drive Winch' kit. This 57 mm long spool has a 30 mm drum between two 42 mm flanges. It slides onto the kit's 8 mm steel axle (8.3 mm bore) and bears on a 608 bearing's inner race through an 11 mm shoulder. It takes three M3 heat-set inserts (4.0 x 8 mm bores on a 22 mm PCD) for the 24T worm wheel's M3x16 screws, plus an M3x8 grub screw and captured M3 nut in the 16 mm hub. The line anchors through a 2.5 mm radial hole into the hollow core or through a 2.5 mm hole in the flange.
N20 Worm Motor Sled
This motor sled is part of the 'N20 Self-Locking Worm-Drive Winch' kit. It holds an N20 gearmotor (12 x 10 mm gearbox, 3 mm D-shaft, fixed with two zip-ties) and a 624 tail bearing (4 x 13 x 5 mm, 13.05 mm press pocket) in line with the worm axis. It bolts to the base plate with three M3 heat-set inserts (4.0 mm bores) and M3x10 screws, and measures 22 x 95 x 24.5 mm. The middle insert bore goes through the floor because the floor under the worm is only 6 mm thick.
Worm Winch Base Plate
This is the base plate for the 'N20 Self-Locking Worm-Drive Winch' kit. It measures 146 x 105 x 6 mm and sets the position of every other part: the two 608 bearing cheeks and the N20 worm motor sled each bolt on with M3x10 socket head cap screws, inserted from underneath through 3.4 mm holes with 6.5 mm counterbores, into M3 heat-set inserts. Four more 3.4 mm corner holes mount the winch to your robot. Five rounded windows remove weight, and raised corner marks show where each cheek sits.