Design variants

To facilitate identification of the various design variants of the TDO configuration (fig 1) and TDI configuration bearings (fig 2) letters or combinations of letters are quoted in the product tables under the heading "Design" following the identification of the configuration, e.g. TDO/XDC or TDI/GWIY2. The meaning of the variant identification letters is explained in the following.
COuter ring with blind hole
DOuter ring with annular groove and lubrication holes (TDO), inner ring with annular groove and lubrication holes (TDI)
D0Outer ring with annular groove and lubrication holes, without intermediate ring
D2Outer ring with annular groove and lubrication holes, intermediate ring with lubrication holes
D3Outer ring with annular groove and lubrication holes, intermediate ring with annular groove and lubrication holes
GHelical groove in bore
NTwo notches at 180° in one side face of inner ring
N1One notch in each side face of inner ring, at 180° to notch in other side face
N2Two notches at 180° in both side faces of inner ring, at 90° to notches in other side face
VBearing with radial shaft seals
WLubrication grooves in side faces of inner and outer rings
WILubrication grooves in side faces of inner ring
WOLubrication grooves in side faces of outer ring
XBearing with retention sleeve
XDOuter ring with lubrication holes
YBearing without intermediate ring
Y2Intermediate ring with annular groove and lubrication holes
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