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Bearing designation is placed on the wider face of the
outer ring. Complete designation (contact angle,
precision, arrangement, type, etc.) of medium to large
size bearing sets is marked on one bearing only. The
remaining bearings of the group have markings indicating
type, trade mark, and country of origin only.
Micron deviations from the nominal value of each bore
and outside diameter are marked on that surface, at the
point of maximum eccentricity (maximum radial
thickness).
Maximum assembly concentricity is obtained by locating
this point at 180� to maximum shaft or housing
eccentricity. Other markings that may appear on ring
faces are manufacturing references (manufacturing date,
serial number, etc.).
Please Note: The "V" arrow on the bearing outer diameter
indicates the direction of thrust applicable to the
inner rings of the bearing group. The arrow is placed at
the point of maximum outer ring eccentricity.
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