The cage which retains the cylindrical rollers of the cylindrical roller thrust bearing is an injection moulded glass fibre reinforced polyamide 6,6 cage (fig 6).

• 保持圆柱滚子推力轴承圆柱滚子的保持架；是注射成型的玻璃纤维增强聚酰胺6.；6保持架(图6)。