BNDIRXM071016 is an alloy steel inner race for needle bearings, hardened to HRC 58 minimum, with a 7 mm bore diameter, 9.997 mm outer diameter, and 16 mm width. It is ground to 0.4 µm AA surface roughness, designed for press-fit mounting on shafts, and features chamfered corners for easy assembly. The bore tolerance is h5, the outer diameter tolerance is H6, and the width tolerance is h6, as specified for the 7 mm bore size range in the metric tolerance chart.
A bearing is a device that reduces friction between moving components by preventing metal-to-metal contact while assisting components (shafts, axles, and wheels) to freely rotate around a fixed axis, cutting down on heat generation and the amount of energy that is consumed. By replacing sliding motion with low-friction rolling motion, the life of the rotating components is increased. A bearing also keeps the shaft in the proper position, providing support and alignment and transferring the axial or radial loads to the housing.
The types of bearings that we offer include rolling element bearings, which consist of both ball bearings and roller bearings.
Balls are utilized as the rolling element in ball bearings; a retainer holds the balls in place and allows them to freely rotate. The balls are kept inside channels cut in both the inner and outer races. Because there is no surface contact between the balls and races, precision ball bearings have a lower load capacity for their size than other bearings.
| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Needle Roller Bearings |
| Product Number | BNDIRXM071016 |
| Product Name | 7mm ID, 9.997mm OD Alloy Steel Inner Race for Needle Bearing |
| Application | Aerospace |
