Patent ID: 9163659
Filing Date: 2015-10-20
Classification: F16C

Abstract:
1. A caged roller bearing comprising; a plurality of rollers; and a ring-shaped roller retaining cage having pockets defined therein at circumferential locations thereof for accommodating the respective rollers therein; a plated backing layer applied to one or both of at least an outer diametric surface and opposite end faces of the roller retaining cage, which are selected from the entire surface of the roller retaining cage; and an Ni•PTFE plated layer applied to a surface of the plated backing layer, the Ni•PTFE plated layer containing nickel and polytetrafluoroethylene, wherein a surface hardness of the Ni•PTFE plated layer is within the range of Hv 400 to Hv 700, and a surface hardness of the roller retaining cage is within the range of Hv 450 to Hv 700 and a difference between the surface hardness of the roller retaining cage and the hardness of the Ni•PTFE plated layer is not greater than Hv 200.