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Ball Bearing Terms
– Where
the bearing is mounted; it is an imaginary line that runs through the
center of the shaft.
Ball Cage - Device used to space the
balls. The cage partly surrounds the balls and moves with them.
– Container that
holds the balls in place.
– The smallest dimension
when referring to the separator, inner ring or outer ring of a ball bearing.
– A mechanical component
that is intended to support two or more parts, which maneuver in differing
directions.
– Inner ring of tapered
roller bearing.
– Formed by a
line drawn between the areas of ball and ring contact and a line perpendicular
to the bearing axis.
– A load placed
on a bearing that is in motion.
– A breakdown of the
bearing, when used constantly for loading purposes.
– The amount of internal
clearance in a bearing. This can also refer to shaft and housing size
and how they relate to the bore or outside diameter.
– Bearing that
is able to move in one or two directions.
– The innermost part
of a bearing, which fits on a shaft and contains the external raceway
for the rolling elements. Occasionally the shaft is immobile and the housing
rotates.
– A nut used in tandem
with a lock washer to hold a bearing in place on a shaft.
– A usually oil based
liquid, which provides cooling, reduces friction and resists contamination
and corrosion for ball bearings and related components.
– Separates
similar surfaces by use of a magnetic field.
– Portion of the
bearing that contains the internal raceway for the balls.
– The ball or roller
path cut in the inner and outer ring in which the balls or rollers move.
Sometimes referred to as a guide path.
– A soft synthetic rubber
washer with a steel core fixed in the outer ring (in the seal groove)
in contact with the inner ring to retain lubricant and keep out contamination.
(Hydraulic Seals)
– A thin metal plate or
washer used to pack or pre-load a bearing.
– Used to separate or
space bearings on the same or different rows in areas where multiple ball
bearings are used, such as in assembly lines.
– A load exerted
on a bearing not in motion.
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