The A 7Y55-ESS6225M is an extended inner ring ball bearing with a 0.625 inch outer diameter and a 0.25 inch bore, double-shielded and pre-lubricated with MIL-G-23827C grease. It is constructed from 440C stainless steel, has an ABEC 3 tolerance class, and is rated for a dynamic load of 159 lbf and a static load of 70 lbf. The bearing is designed for applications requiring corrosion resistance and low maintenance operation.
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 | Ball Bearings |
| Product Number | A 7Y55-ESS6225M |
| Product Name | 0.25" Bore, 0.625" Outside diameter., Lubricated With Grease ( MIL-G-23827A) |
| Application | Pump |
| Material / Plating | Stainless Steel |
| Bearing Class | ABEC3 / Class 6 / P6; 440C Stainless. / ABEC 3 |
| Design Units | Inch |
| Bore | 0.2500 inch (6.350 mm) |
