305701C2Z Economy Double Row Cam Roller Bearing With a Cylindrical Running Surface 12x35x15.9mm

Double Row Cam Rollers: Are designed to run on all types of tracks and have a thicker outer race to enable high radial loads, with its running surface avilable in two designs crowned as standard or cylindrical (flat) to allow for greater misalignments and shock loads. These special variants of the deep groove ball bearing usually come with seals although you can buy unsealed versions and can be used in place of standard bearings.