The A 7Z 7M2844ST is a thrust bearing set comprising a molded nylon retainer, hardened steel balls, and a hardened steel washer, designed for axial load support in rotating applications. It has a bore diameter of 28 mm with a tolerance of 28.30 to 28.07 mm, an outer diameter of 44 mm with a tolerance of 43.97 to 43.69 mm, and a bearing thickness of 36.5 mm. The bearing contains 12 balls, each 4.76 mm in diameter, and has a dynamic load rating of 2242 N at 15 rpm and 1188 N at 100 rpm. Ball material is S.A.E 1018 steel hardened to HRC 60 min, and the retainer is rated for a maximum temperature of 120°C.
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 | Thrust Bearings |
| Product Number | A 7Z 7M2844ST |
| Product Name | A 7Z 7M2844ST Comprised of 2 Washers and a Retainer with Balls |
| Bearing / Retainer Specialty Material | Stainless Steel |
