Caliper

简介

Discover the Hex Race Caster Bearing — a genuinely heavy-duty, fully 3D-printable caster bearing with no metal inserts, no purchased parts, and no compromises on strength. This isn't your average printed bearing. The secret is the hexagonal intermediate race geometry: under radial load, the contact area with the filament tori widens proportionally, making the bearing stronger the harder you push it. Four independent rows of continuous 1.75 mm nylon filament tori provide excellent axial load distribution and prevent tipping under eccentric forces — perfect for real casters, wheels, or any rolling application that needs to handle serious weight. Load-adaptive polygonal design — flats engage more surface as force increases (no point-loading stress concentrations) Topology-locked permanent assembly — insert filament tangentially through entry ports, seal with printed plugs → locked forever (disassembly = destruction) All-printed + filament precision — outer race in PLA, hex race printed, rails from standard 1.75 mm nylon (±0.02–0.05 mm tolerance magic) Multi-row stability — four tori rows for axial and moment resistance Scalable from tiny ⌀16 mm prototypes to full-size caster wheels No glue, no screws, no press-fits. Just smart geometry and your filament spool. Includes STL files + detailed instructions (print settings, filament loading sequence, assembly steps). Print it, load it up, and feel the difference. Ideal for robotics, furniture casters, RC projects, or just proving…