KOYO Single Row Original Factory Precision B-148 Needle Roller Bearing

Descriptions：
Needle roller bearing is a bearing unit composed of machined outer ring & inner ring,cage and needle roller assembly featuring small section height,big load capacity & rigidity,compact structure and small size,high rotating accuracy with the structure of disposed inner ring.
Needle roller bearings have large bearing capacity and are suitable for mounting support structures with limited dimensions. The surface of the journal is hardened as the rolling surface, and the bearing is pressed into the seat hole without axial positioning.
Needle roller bearing is characterized by multiple structures,broad adaptability and easy installation.

Material:
Material for needle roller is GCr15 bearing steel,quench-hardening HRC60-65
Material for inner and outer rings is GCr15 bearing steel,quench-hardening HRC60-65
Material for cages is quality low-carbon steel or reinforced nylon.

Main applications of needle roller bearing:
It is used in various mechanical equipment such as machine tools, metallurgical machinery, textile machinery and printing machinery, and can make the mechanical system design very compact and dexterous.