Spicer 2007 Spicer Driveshafts Service Manual - Manual (Page 30)

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Glossary
Half Round Cross Hole A semicircular hole located on the end of each lug ear of some end yoke and flange yoke
designs used to locate a bearing cup assembly.
Inboard Bearing Assembly Contained in inboard yoke.
Inboard Yokes Yokes that make up the ends of a driveshaft or coupling shaft assembly, i.e. tube yokes, slip
yokes, yoke shafts, and center bearing end yokes.
Journal Cross The core component of a universal joint, which is an intermediate drive member with four
equally spaced trunnions in the same plane.
Lug Ear See Ear.
Midship Shaft A machined element consisting of spline teeth, a pilot for a center bearing, and a piloting hub
that attaches to the tube of a coupling shaft assembly.
Needle Rollers One of the rolling elements of a bearing cup assembly.
Nib See Tang.
Outboard Bearing Assembly Contained in an outboard yoke.
Outboard Yokes Yokes that are not a part of a driveshaft or coupling shaft assembly, i.e. transmission, axle,
transfer case end yokes.
Phase Angle The relative rotational position for each yoke on a driveshaft or driveline.
Pillow Block Consists usually of a rolling element bearing and a bracket configuration for attachment.
Pressure Relief Hole A hole in the welch plug of Spicer slip yokes that allows air to escape from the slip member
assembly.
Purge The act of flushing old grease and contaminants from universal joints and slip member assem-
blies with fresh grease.
Retaining Ring See Snap Ring.
Retaining Ring Groove See Snap Ring Groove.
Round Bearing Assembly See Bearing Cup Assembly.
Seal Guard A covering member used to protect a bearing seal on the bearing cup assembly.
Serrated Flange See T-Flange.
Shaft Support Bearing See Center Bearing.
Slinger A stamped metal or non-metal ring, which prevents the entry of foreign matter into a center
bearing, transmission, axle, or transfer case.
Slip The total permissible length of axial travel.
Slip Yoke A yoke that accommodates axial movement.
Slip Yoke Plug See Weld Plug.
Slip Yoke Seal Pop-on or threaded ring that contains a seal that protects the slip member assembly from envi-
ronmental contaminants and retains grease.
Snap Ring A removable member used as a shoulder to retain and position a bearing cup assembly in a
yoke cross hole.
Snap Ring Groove A groove used to locate a snap ring.
Spline A machined element consisting of integral keys (spline teeth) or keyways (spaces) equally
spaced around a circle or portion thereof.