| 摘要 |
PURPOSE:To improve the bearing load capacity and the rolling performance by arranging a roller in a tilt state in a raceway separating the inner and outer rings, floating up both the rings from the roller, and obtaining the uniform movement in the axial direction of the roller. CONSTITUTION:A raceway 8 is formed of an inner ring raceway plane 1a and an outer ring raceway plane 2a. A number of rollers 3 are arranged in the raceway 8, tilted by an angle (beta) to the sectional surface including the center shaft 6 of an inner ring 1. Further, a preload spring 7 is installed between the inner ring 1. Further, a preload spring 7 is installed between the inner rings 1 and 1' arranged oppositely. Further, the inner ring 1 has a collar 9 as annular part for stopping the movement in the axial direction of the roller 3. Since the roller 3 has a conical shape, the roller 3 is applied with the component force (u) in the axial direction and is pushed out from the small edge side to the large edge side by the vertical force N acting on the contact surface, and the pulling-out force (u) is drastically reduced, and it is enough only to install the auxiliary collar 9 on the large edge side or the small edge side of the roller 3, and the PV value due to the slip friction does not restrict the load bearing capacity. |
