Xem Studiomeasured geometry

Library › Hardware › UPN channels (DIN 1026): UPN 50 to UPN 300 dimensions (h, b, tw, tf…

UPN 120

UPN 120: h 120 mm, b 55 mm, web 7 mm, mean flange 9 mm, flanges sloped 8 %, r1 9 mm, r2 4.5 mm, 100 mm long

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

sectionUPN 120
mass (kg/m)13.4
h (mm)120.0
b (mm)55.0
tw (mm)7.0
tf (mm)9.0
r1 (mm)9.0
r2 (mm)4.5
area (cm2)17.0
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

From the full sheet

UPN channels (DIN 1026): UPN 50 to UPN 300 dimensions (h, b, tw, tf, r1, r2) + STEP/STL: every size, notes, mating features and sources. What are the dimensions of UPN 100 channel?

Other sizes