Assertion: bearing's surface | /r/HasProperty | flat
Facets:
value: usually
type: DEGREE
value: in these applications
type: OTHER
Source sentences:
text: The surfaces of the bearing are generally flat or cylindrical.
text: In these applications the sliding surfaces are usually flat, but can also be cylindrical, and movement is always linear rather than rotating.
text: Hertzian stresses are present when any two surfaces with different radii are in contact — even if one surface is flat or if one surface is convex and the other is concave, which is the case for rolling element bearings: the ball or roller is convex, and the raceway is concave.