Page 855 - Rollingbearings

Mounting
Fig. 15 Fig. 16
Bearings with an adapter sleeve Bearing with a withdrawal sleeve

On a plain shaft On a stepped shaft

Mounting Mounting bearings

with a tapered bore
During handling, the rings and roller com-
plement of CARB toroidal roller bearings Bearings with a tapered bore are mounted
may be axially displaced from their normal with an interference it, by using one of the
position This is especially likely where CARB following methods:
bearings are mounted with the shaft or
housing in the vertical position: 1 Measuring the clearance reduction
(table 5, page 854)
1 The roller complement, together with the
inner or outer ring, will move downward 2 Measuring the lock nut tightening angle
and result in no more clearance (table 5)
2 When the bearing rings expand or con-
tract as a result of an interference it, 3 Measuring the axial drive-up (table 5)
preload is likely to result.
4 Applying the SKF Drive-up Method
Therefore, wherever possible: For bearings with d > 100 mm, SKF rec-
ommends using the SKF Drive-up
• Mount CARB bearings with the shaft or Method. This is a fast, reliable and safe
housing in the horizontal position. method to achieve the appropriate inter-
• Rotate the inner or outer ring to align the ference it. Additional information is avail-
rollers during mounting. able online at skf.com/drive-up. 10
Where this is not feasible, use a bearing
handling tool or other device to keep the 5 Measuring the inner ring expansion
bearing components arranged centrally. Additional information is available online
at skf.com/sensormount.

For additional information about these
mounting methods, refer to Mounting bear-
ings with a tapered bore, page 203, or the
SKF bearing maintenance handbook.

853