certific at e - NOC international

142 KRW
Assembling roller bearings
Edge distances
The outside edges on all roller bearing rings of the KRW range have been finished, as shown by the example of a
deep groove ball bearing. The edge profile comprises a circular arc and two straight inclines of 15° or 30°. The regulations
in DIN 620-6 are adhered to for all the roller bearings.
Example:
Inner ring of an deep groove
ball bearing with symmetrical
cross-section
The specifications of the bearing designs of KRW are shown in the follwing figures.
Radial bearing
Symmetrical
ring cross section
Ring groove at outer ring
Tapered roller bearing
Example:
Outer ring of a deep groove
ball bearing with symmetrical
cross-section
Radial bearing
Symmetrical
ring cross section
Angular ring
Axial cylindrical
roller bearing
The tables show the maximum dimensions for edge distances of metric radial and axial bearings on the
following pages.