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.*
608 Two-Bolt Flange Bearing Block
A printed KFL08-style two-bolt flange bearing block. It press-fits a standard 608 bearing (8 x 22 x 7 mm) and bolts flat to a chassis plate or bulkhead with two M4 screws on 48 mm centres. The bearing supports the outboard end of an 8 mm drive shaft, axle or leadscrew. It is 63 x 30 x 13 mm, and a 15 mm lip under the bearing's outer race holds it in the pocket. 45° ribs brace the boss so radial shaft loads stay in the layer plane.
NEMA 17 Belt Reduction Bearing Plate
A 106 x 52 mm mounting plate that turns a NEMA 17 into a 3:1 belt reduction: the motor bolts to the top on the verified 31 mm square pattern with its shaft dropping through a 23 mm pilot clearance, and an 8 mm output shaft runs in two press-fit 608 bearings in a 34 mm tower at 58.5 mm centres — the right spacing for 20T to 60T GT2 pulleys on a 200 mm closed-loop belt. Gussets take the belt pull in the XY plane, and four M4 holes on a 92.5 x 37 mm rectangle bolt it to a chassis deck on 20 mm standoffs so the belt runs underneath.
GT2 60T Pulley 8 mm Bore
A 60-tooth GT2 timing pulley (2 mm pitch, 37.7 mm tooth OD, 41.7 mm flanges) with an 8.3 mm slip-fit bore for 8 mm shaft and a split-clamp hub tightened by a single M3 screw against a captured M3 nut. 22 mm tall with a 7 mm flanged belt land for 6 mm GT2 belt — the big reduction pulley you can't buy off-the-shelf in 8 mm bore.