Page 129 - The Tribology Handbook

A22 Rolling bearing installation

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Fig. 23.3(d). Two roller bearings with 'loc' location
Fig. 22.3(c). Two lip-locating roller bearings pattern ball bearing which has reduced 0.d. so that
it does not take radial loads
Condition Suitability
Condition SuitabiliQ
Rotating shaft Yes
Rotating shaft Yes
Rotating housing No
Rotating housing Yes
Constant direction Yes
load Constant direction Yes
load
Rotating load No
Rotating load Yes
Radial loads Good capacity
Radial loads Good capacity
Axial loads Low capacity
Axial loads Moderate capacity
End-float control Sufficient end float
required to End-float control Moderate
Relative thermal
expansion allow for
tolerances and Relative thermal Yes
temperature expansion

Fig. 22.3(e). Two angular contact ball bearings Fig. 22.3(f). Matched angular contact ball bearing
unit with roller bearing
Condition Suitability Condition Suitability

Rotating shaft No Rotating shaft Yes
Rotating housing Yes Rotating housing Yes
Constant direction Yes Constant direction Yes
load load
Rotating load No Rotating load Yes

Radial loads Moderate capacity Radial loads Good capacity
Axial loads Good capacity Axial loads Good capacity
-
End-float control Good End-float control Good
Relative thermal Allow for this in the Relative thermal Yes
expansion initial adjustment expansion

A22.5