Page 1102 - Rollingbearings

25 Lock nuts
Installation and Mounting bearings on an adapter Using lock nuts with locking
sleeve or tapered seat
removal clips to lock a bearing
1 Slide the bearing onto the adapter sleeve 1 With the bearing or component in posi-
or tapered seat. tion, screw the lock nut into place
Lock nuts requiring a 2 With the chamfer facing the bearing, 2 Tighten the nut against the bearing or

keyway screw the nut (without the lock washer) component with an impact spanner
onto the adapter sleeve or shaft thread
(ig. 29), aligning one of the slots in its
(ig. 25). outside diameter with the keyway in the
Lock nuts requiring a keyway are easy to 3 Tighten the nut with a hook or impact shaft thread and making sure to not over
install Each nut is provided with four spanner until the correct clearance in the tighten it
equally-spaced slots around their circum- bearing is obtained (ig. 26). 3 Place the spring washer and locking clip
ference to accommodate a hook or impact 4 Remove the nut. Go to step 5. onto the attachment bolt
spanner The designations of the associated 4 Position the locking clip in the keyway in
spanners are listed in the relevant product Locking the bearing the shaft thread, and the slot in the nut
tables outside diameter, and secure with the
Lock nuts requiring a keyway can be 5 Slide the lock washer onto the thread until attachment bolt and spring washer Align
reused, provided they are not damaged A it touches the bearing. With the chamfer the bolt with one of the threaded holes on
new lock washer, locking clip or locking plate facing the bearing, screw the lock nut into the side face of the lock nut
should be used each time the corresponding place (ig. 27). 5 Tighten the bolt with an appropriate
lock nut is reinstalled 6 Tighten the nut irmly against the lock wrench (ig. 30)
washer and bearing with a hook or impact
spanner, making sure to not over tighten
Using lock nuts with lock the nut For bearings on adapter sleeves
washer to lock a bearing or tapered shafts, make sure that the
bearing is not driven up any further on its
seat
Mounting bearings and
components on a cylindrical shaft 7 Lock the nut in place by bending one of the
lock washer tabs down into one of the
1 Put the bearing in place onto the cylindri- slots on the nut (ig. 28) Do not bend the
cal shaft tab to the bottom of the slot
2 Go ahead with step 5 below Locking the
bearing.

Fig. 25 Fig. 26 Fig. 27
Screw the nut, without the lock washer, Tighten the nut with a hook or impact Slide the lock washer onto the the thread
onto the adapter sleeve or shaft thread spanner and screw the lock nut into place

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