Page 967 - Rollingbearings

Designs and variants
Cam follower features
Designs and All three designs have the same main
dimensions They are available in different
variants
• Accommodate high radial loads stud designs (ig. 3):
The thick-walled outer ring enables high
radial loads, while reducing distortion and • a concentric seat
bending stresses SKF cam followers have a thick-walled outer • an eccentric collar (E at the end of the
ring with its running surface crowned as basic designation) on the stud
• Accommodate axial loads standard However, cam followers with a
The lange rings enable cam followers to cylindrical (lat) running surface are also The eccentric collar has a shrink-it onto the
accommodate axial loads that can occur available (designation sufix X) stud, enabling less stringent positioning
because of skew or tilting. SKF cam followers are available in three tolerances to be speciied for associated 16
basic designs (ig. 2): components The values of the adjustable
• Long service life eccentricity are listed in the product table,
The crowned outer ring running surface is • KR design page 978
beneicial for applications where outer ring • NUKR design
tilting relative to the track may occur or • PWKR design
where edge stresses need to be
minimized

• Easy to mount
The threaded solid stud (pin) of cam fol-
lowers can be quickly and easily attached
to appropriate machine components by
means of a hexagonal nut

Fig. 3
Stud designs

12-153786|1005 0043 - 10000 ai Fig. 2b
Basic designs

Concentric seat Eccentric collar

Fig. 2
Basic designs

KR NUKR ‥ A PWKR …2RS

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