RODEND.NET ENCYCLOPEDIA

Glossary

Short, precise definitions of the engineering terms used across RODEND.NET, each linking back to the full article that covers the concept in depth.

B H J P R

B

Breakaway Torque The rotational resistance of a rod end's ball inside its housing, classified into F1/F2/F3 grades — not to be confused…

H

Heim Joint A spherical plain bearing that connects two parts while allowing controlled rotation and misalignment, patented by Lewis Heim during WWII.

J

Jam Nut A thin locking nut threaded against a rod end's shank to lock its length in place, torqued to roughly a…

P

PTFE Liner A bonded PTFE (Teflon) liner between the ball and housing that makes a rod end self-lubricating, eliminating the need for…

R

Rod End The generic engineering term for a Heim joint — a spherical plain bearing with a mounting shank, used on most… Rose Joint The UK and motorsport term for a Heim joint or rod end — the same spherical plain bearing, different regional…