Page 19 - Craft Bearing Catalog
P. 19
Installation Guide Installation Guide
Bearing Company Inc.
of the machined grooves of the inner race the gaps of the clamp collars “by eye”
on the top, with its split line at the “east- will suffice.
west” position. The actual position should 8. Sequentially tighten all clamp collar bolts.
be between 45 and 90 degrees to the split Be sure to remove the feeler gauge as
line of the inner race.
necessary.
4. Place the bottom half (threaded) of the There will be gaps at the joint faces of
same clamp collar into position and the inner race and clamp collars after final
loosely install the collar locking bolts tightening. The gaps are designed to be
(fine thread).
there, and will vary with shaft size and series
5. Repeat the same procedure for the other of bearings. Provided the shaft is within
clamp collar. tolerance, and the race is fully seated on the
shaft, the final gap is irrelevant, as long as the
6. Re-check inner race position on the shaft
before performing the tightening sequence. gap is evenly split on the inner race halves.
The race can be moved by tapping it along However, if there are no gaps at the joints,
the shaft with a rubber mallet. Do not the shaft is undersized or the bearing bore
strike the hardened surfaces of the is incorrect for the shaft. The bearing should
bearing with a hard faced hammer. not be run. Discontinue installation and re-
Permanent bearing damage can occur. check the shaft and bearing for matching size
before proceeding.
7. Maintain an equal gap at the joint face of
the clamp collars when tightening. Judging
INSTRUCTION #4: Installing the Inner Race with Clamp Collars
Craft Bearing Company, Inc. n Newport News, Virginia n www.craftbearing.com Craft Bearing Company, Inc. n Newport News, Virginia n www.craftbearing.com 17
Craft Bearing 2017 Catalog + Spe17 17 8/14/17 1:51:27 PM
