Glossary “bearing cap” Definition:
A device that retains the needle bearings that ride on the trunnion of a U-joint and is pressed into the yoke.
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bearing cap register
Glossary “bearing cap register” Definition:
The cut-out portion of the engine block that keeps the bearing cap aligned to the housing bore.
bead wire
Glossary “bead wire” Definition:
A group of circular wire strands molded into the inner circumference of a tire to anchor the tire on the rim.
beam axle
Glossary “beam axle” Definition:
A shaft that does not transmit power but provides a means of fastening wheels to either, or both, ends.
beam solid-mount suspension
Glossary “beam solid-mount suspension” Definition:
A tandem suspension relying on a pivotal mounted beam, with axles attached at the ends for load equalization.
beam splitters
Glossary “beam splitters” Definition:
Also referred to as laser guides, they are capable of reflecting the laser beam to additional targets.
beam type torque wrench
Glossary “beam type torque wrench” Definition:
Uses a flexible alloy steel beam that deflects during tightening. A pointer attached to the end of the beam shows torque value on a scale. This wrench is not as accurate as the other types.
bearing
Glossary “bearing” Definition:
An antifriction device having an inner and outer race with one or more rows of steel balls or rollers.
bearing block
Glossary “bearing block” Definition:
1). The outside surface of a bearing that seats against the housing bore. 2). Bearing assenbly that is housed in a metal casing that can be attached in various locations to provide support and alignment for rotating shafts.
bead width
Glossary “bead width” Definition:
Width of the weld bead, measured at its base.
bead height
Glossary “bead height” Definition:
Height of a weld bead above the surrounding base metal.
bead lock
Glossary “bead lock” Definition:
Plate that clamps a tire bead to a wheel rim used in racing.
BDC
Glossary “BDC” Definition:
Bottom Dead Center
bead
Glossary “bead” Definition:
1). That part of a tire that contacts the rim of a wheel. 2). A narrow half-round pattern where metal has been welded together. 3). Sealant may be applied in a bead.
bead filler
Glossary “bead filler” Definition:
Rubber piece positioned above the bead to reinforce the sidewall and act as a rim extender.
bbl
Glossary “bbl” Definition:
Acronym for barrel.
BBM
Glossary “BBM” Definition:
Break Before Make, as in a switch.
BCA
Glossary “BCA” Definition:
Battery Council International.
BCDD
Glossary “BCDD” Definition:
Boost Control Deceleration Device: Slows the deceleration to prevent afterburn
BCI
Glossary “BCI” Definition:
Battery Council International.