滚针组合轴承基本额定动负荷的估算公式

The estimation formula of basic dynamic load rating for combi-ned needle roller bearings

从滚针组合轴承结构分析着手,推导出滚针组合轴承的基本额定动负荷估算公式。以滚针轴承和推力球轴承组合为例,其组合轴承的Cr=0.85C_1,Ca=0.81C_2;滚针轴承和推力滚子轴承组合时,Cr=0.85C_1,Ca=0.85C_3。

From analysis of combined needle roller bearing, the estimating formula of basic dynamic load rating for above bearing is derived. Take the combined bearing which consists of needle roller bearing and thrust ball bearing for example,its C_r = 0.85C_1 ,C_a = 0.8lC_2;if the combined bearing consists of needle roller bearing and thrust roller bearing, its C_r = 0.85C_1, C_a = 0.85C_3.