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Glossary
Glossary
Stub Shaft See Tube Shaft.
Tang A nib of metal found on half round end yoke and/or flange yoke style cross holes, used to
locate a bearing cup assembly.
T-Flange A companion flange and flange yoke design, which has a serrated flange face. Found most
often in European applications.
T-Type Flange See T-Flange.
Thrust Washer A washer found in the bottom of a bearing cup assembly that reduces needle roller friction and
bearing heat, and guards against end galling on the journal cross trunnions.
Tube The tubular connecting member of a driveshaft. Pipe or piping is not an equivalent.
Tubing See Tube.
Tube O.D. The outside diameter (O.D.) of a tube.
Tube Yoke An inboard yoke with a piloting hub for attachment to a tube or spline sleeve.
Tube Shaft A machined element consisting of spline teeth and a piloting hub that attaches to the tube of a
driveshaft assembly.
Trunnion(s) Any of four projecting journals of a cross.
Universal Joint A mechanical device that can transmit torque and/or rotary motion from one shaft to another at
fixed or varying angles of intersection of the shaft axes. Usually consisting of a journal cross,
grease zerk (nipple) fitting, and four bearing cup assemblies.
U-Joint See Universal Joint.
Welch Plug A plug in the slip yoke face that seals off one end of the spline opening. Also known as a slip
yoke plug.
Weld Yoke See Tube Yoke.
Yoke Lug Ear Cross Hole See Cross Hole.
Yoke Shaft A slip member yoke with a male machined spline used for axial movement.
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