Nrb bearings ltd is one of the leading manufacturers of bearings and allied products. The company manufactures needle cages and roller cages from steel, polyamide, brass and aluminum bronze materials. Needle cages can be easily installed without any instrument. It can be manufactured in two parts and placed on inside raceway between two shoulders. This configuration helps to increase the rigidity of the shaft. The double cage contains two rows of needles and two bearings side by side. They may be fabricated in two separate parts.