Detailed Product Description

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. Inner diameter for such kind of a bearing is according to tolerance grade F6. Various radial tolerances can be obtained through selecting a suitable shaft diameter. Needle roller bearing with inner ring used in the situation of that the shaft can't be quenched. The inner ring can be axially fastened with contacted parts or stopping loop. Needle roller bearing with double row is used under heavy load or a wide bearing surface is required.