bearings mounted back-to-back, e.g. 2 x 7205 CD/P4ADT (E 225 7CE1 T). The bearings in each pair are separated by a set of precision-matched spacer rings.
Markings on bearings and bearing sets · Bearing data Clamping and fitting forces: D design, E design, B design. Designation 7212 CD/P4A. Dimensions
Markings on bearings and bearing sets Clamping and fitting forces: D design, E design, B design, Designation suffixes H, H1, L and L1 7211 CD/P4A.