Page 16 BB4500-BB5000 Operating Manual
2.3.8 Spherical bearing mounts
The spherical bearing mount support brackets hold
the bar and machine in place during operation.
Each bracket includes a spherical self-aligning
bearing for quick, accurate setup. Spacer plates
may be tack welded or clamped to the workpiece to
secure the brackets in place.
These brackets are available in single-arm, double-
arm, and universal styles. The universal mount
may also be turned into an inside diameter (ID)
mount with the purchase of an optional set of jack-
ing bolts.
Double-arm spherical bearing mounting brackets
are better for those applications requiring extra sup-
port, such as when boring holes exceed 8" (203 mm)
in diameter.
FIGURE 2-6. SINGLE-ARM SPHERICAL
BEARING MOUNT
FIGURE 2-7. DOUBLE-ARM SPHERICAL
BEARING MOUNT
FIGURE 2-8. UNIVERSAL SPHERICAL
BEARING MOUNT
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