Patent ID: 6367980
Filing Date: 2002-04-09
Classification: A61B,F16C

Abstract:
An ultra thin type rolling bearing, comprising:an outer member having a double row raceway surface in which a rolling element rotates at its inner circumferential surface; an inner member provided on the inner circumferential side of the outer member, formed of an annular member and an engaging member engaged at the outer circumference of the annular member with an axial clearance with respect to the annular member, said inner member being provided with raceway surfaces in which rolling elements rotate at respective outer circumferential surfaces of the annular member and the engaging member; rolling elements inserted in two rows between the outer and inner members and having a diameter whose ratio relative to a pitch circle diameter is 0.03 or less; and a preloading means for pressurizing the engaging member to reduce said axial clearance for preloading.