SK8 rod support for Ø8 rods — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/rod-support-sk8/  (CC BY 4.0)
Basis: SK8 catalogue dimensions: 42 × 14 base, Ø8 rod at 20 mm, M5 base holes 32 apart, M4 pinch screw
Catalog version: 2026-10-20

Sizes: see table below
- A 42 × 14 block, 32 tall in the middle and 27 at the two stepped ends, with a Ø8 bore across the 14 mm thickness 20 mm above the base.
- A 1.5 mm slot runs from the bore up through the top; an M4 pinch screw closes it on the rod: Ø4.5 clearance on one side of the slot, Ø3.3 tap drill on the other, 28 mm above the base.
- Two Ø5.5 holes (M5 clearance) through the stepped ends, 32 mm apart.

feature  value_mm
base  42 × 14
height  32 (27 at the ends)
rod bore  Ø8 at 20
clamp slot  1.5
pinch screw  M4: Ø4.5 / Ø3.3 at 28
base holes  2 × Ø5.5 at 32

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- McMaster-Carr: Mounted bearings (free STEP per part, for your own design use; no redistribution) — STEP, PDF — McMaster-Carr site terms [verify license at link] — https://www.mcmaster.com/products/mounted-ball-bearings/
- McMaster-Carr: Sleeve bearings (free STEP per part, for your own design use; no redistribution) — STEP, PDF — McMaster-Carr site terms [verify license at link] — https://www.mcmaster.com/products/sleeve-bearings/
- OpenBuilds: Solid V wheel kit — web, STEP — OpenBuilds site [verify license at link] — https://openbuildspartstore.com/solid-v-wheel-kit/
- Wikipedia: Plain bearing — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Plain_bearing
- Long Earth Society: Engine and rig builds — web, video — LES site — https://longearthsociety.com/engineering/

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/rod-support-sk8/index.json
API: https://xemstudio.com/api/geometry?object=rod-support-sk8