Page 698 - SKF-bearing-housings

Inch roller bearing units SYE, SYR, FYE and FYR series

Standard bearing unit design Fig. 1

SKF inch roller bearing units consist of a non-
split housing, an SKF spherical roller bearing
in the 222 series, seals and grease. The bear-
ings are fixed to the shaft using either the
locking collar method or the SKF ConCentra
locking method (designation suffix N). Inch
roller bearing units are available in different
series and designs:
• Pillow (plummer) block units with two bolt
holes in the base are available in two series.
Units in the SYE and SYE .. N series are
available for shafts ranging from 1 7 /16 to
3 1 /2 inches († fig. 1). Bearing units in the SYE .. N series
SYR and SYR .. N series are available for
shafts ranging from 1 7 /16 to 4 inches
(† fig. 1).
• Four-bolt base pillow (plummer) block units
in the SYE series, designation FSYE and
FSYE .. N, are available for shafts ranging
from 2 7 /16 to 4 15 /16 inches († fig. 1).
• Square flange units (FYE series) are avail-
able for shafts ranging from 1 7 /16 to 4
inches († fig. 2).
• Round flange units (FYR series) are avail-
able for shafts ranging from 1 7 /16 to
4 inches († fig. 2).
• Piloted flange units (FYRP series) are avail-
able for shafts ranging from 1 7 /16 to
4 inches († fig. 2).
SYR series

FSYE series

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