This kind of bearings have high axial load and radial load ,and high tilting rigidity and high precision.
fag spherical roller bearings have two rows of barrel-shaped rollers with a common spherical raceway in the outer ring. By virtue of their design, spherical roller bearings are self-aligning. Under load, the rollersrest against the face of an integral center guide flange on the bearing inner ring.These bearings are most suitable for applications where some misalignment is unavoidable. Double row sphericalroller bearings can carry heavy radial and combined axial loads in both directions simultaneously. They are availablewith either cylindrical or tapered bores to suit your application requirements.Selected sizes of Q&B spherical roller bearings are available in the “C” or “E” design; additional sizesare gradually being introduced into standard production. This design change eliminates the guide flanges on thebearing inner ring and uses longer rollers. This change increases the basic load-carrying capacity of the bearing. Thepictures below show our internal designs for double row spherical roller bearings with regard to its design or cageselection.
Heat treatment
Double row spherical roller bearings are heat treated which allows their maximum operating temperature to be 356 °F.
Lubrication Groove and Holes
All double row spherical roller bearings are produced with a lubrication groove and holes, designation W33.
Cage
Double row spherical roller bearings are produced with either a pressed steel (J) or machined brass (M) cage. In the dimension tables each part number is shown with either a “J” or “M”, designating its cage design.
Boundary Dimensions
All boundary dimensions comply with standard ISO 15.
Tolerance
All double row spherical roller bearings are produced within ABEC 1 or P0 tolerance class. Standard ISO 199 andISO 492 specify these tolerances.Bearings that require a higher tolerance class may be produced upon request.
Radial Clearance
Double row spherical roller bearings are produced with a radial clearance of C0 or C3 as normal production. Otherradial clearances may be produced upon request.
