FAG spherical roller bearings of all series are available with inner rings having a cylindrical bore. Spherical roller bearings are also available, with the exception of series 233..-A, with inner rings having a tapered bore. FAG bearings with the suffix K have a bore taper 1:12, bearings of series 240 and 241 have a bore taper 1:30 and the suffix K30.

FAG bearings with a tapered bore are also available with an adapter sleeve, locknut and tab washer or with a withdrawal sleeve. Adapter and withdrawal sleeves must be ordered in addition to the bearing.