Needle roller and cage assembly (needle roller bearings) is an independent rolling element, the cage of the two guide surface spacing wide, both to accurately guide the needle roller (needle roller bearings) is a special type of rolling needle and cage assembly, , But also to maintain the correct position of the needle. This type of bearing is suitable for shaft and seat hole can be used as a raceway, only the shaft and bearing seat raceway processing to the required dimensional accuracy and geometric accuracy, you can ensure the minimum space of high rotation accuracy. Welcome new and old customers to inquire, Tel: 13961120052