Patent ID: 8961025
Filing Date: 2015-02-24
Classification: F16C,F16D

Abstract:
1. An attaching structure of a bearing to a shaft, wherein a male thread portion and a taper portion are provided in an outer periphery of an extension portion of an inner ring of a bearing, and discission portions are formed in said taper portion at uniform intervals in a peripheral direction, wherein female thread holes for fixing bolts are provided at uniform intervals in a peripheral direction, from a side surface of a fixing nut which is threadably provided in said male thread portion, wherein bolt insertion holes and female thread holes are formed in a fixing collar which is fitted to the taper portion in the outer periphery of the extension portion in a taper portion in an inner periphery, the bolt insertion holes corresponding to the female thread holes of the fixing nuts, and the female thread holes being provided for detaching bolts at uniform intervals in the peripheral direction from the side surface, and wherein the fixing bolts are threadably engaged with and fastened to the female thread holes of the fixing nut from the bolt insertion holes of the fixing collar in the case that the bearing is attached and fixed to the shaft, and the detaching bolts are threadably engaged with the female thread holes of the fixing collar, and the bearing can be detached from the shaft by pressing the side surface of the fixing nut with a leading end portion of the detaching bolt, in the case that the bearing is detached from the shaft.