Patent ID: 7896557
Filing Date: 2011-03-01
Classification: F01L,F16C,Y10T

Abstract:
1. A split type needle roller bearing comprising: an outer ring having a split part in a circumferential direction; a plurality of rollers which can roll along an inner diameter surface of the outer ring; and a cage holding the plurality of rollers, characterized in that said outer ring has an engaging click protruding inward along a diameter at a width-direction end thereof to prevent said cage from moving in an axial direction, wherein said outer ring comprises a plurality of outer ring members split by split lines extending in the axial direction of the bearing, said outer ring member has said engaging click and an engaging part engaging with a housing for positioning in positions shifted from its circumferential center, and said outer ring member contains 0.15% to 1.1% by weight of carbon, and further wherein said outer ring member has a middle region positioned in its circumferential center to be a load region while the bearing is used, and end regions positioned its circumferential ends to be non-load regions while the bearing is used, and said engaging part and the engaging click are positioned in said end regions opposed across said middle region.