SC8UU slide block for an LM8UU — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/slide-block-sc8uu/  (CC BY 4.0)
Basis: SC8UU catalogue envelope: 34 × 30 × 22, LM8UU at 11 mm, four M4 on 24 × 18
Catalog version: 2026-10-20

Sizes: see table below
- A 34 × 30 × 22 block with R2 edges. A Ø15 bore (LM8UU OD) runs the 30 mm length on an axis 11 mm above the base.
- Four Ø3.3 holes (M4 tap drill) run top to bottom on a 24 × 18 pattern.
- The LM8UU sits in the Ø15 bore and rides an Ø8 rod; the fit is listed under Mating features.

feature  value_mm
block  34 × 30 × 22
bearing bore  Ø15 × 30
centre height  11
holes  4 × Ø3.3 (M4 tap) on 24 × 18

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/slide-block-sc8uu/index.json
API: https://xemstudio.com/api/geometry?object=slide-block-sc8uu