CMB needle bearing can take big radial load. Such a bearing has two kinds, with and without inner ring which is made up of a machined or drawn up outer ring, a needle and cage assemblies and a separable inner ring. There are many designs such as HK.BK. NK.NKS.NA.NAV. Needle roller bearing without inner ring uses the shaft which is quenched and grinded as its raceway nest, shaft diameter is bigger than it with inner ring, and it's independent from the inner ring precision, has high rotation precision.
Keyword:CMB needle bearing;inner ring;separable inner ring;Needle roller bearing;high rotation precision.
