A 7B 4-SF243216 is an oil-impregnated bronze flanged bearing with a 0.752-inch inner diameter, a 1.003-inch outer diameter, and a length of 2 inches. The bearing features a flange with a width of 1/4 inch, as specified for this part in the 'S' series. The material is self-lubricating, designed to reduce friction without external lubrication. The length tolerance for this variant is ±0.0075 inch, as noted for parts with lengths exceeding 1-1/4 inch. The outer diameter tolerance is +0.000 / -0.0015 inch, consistent with the series specification. The flange diameter tolerance is ±0.010 inch, applicable since the outer diameter exceeds 1-1/4 inch.
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 | Plain Bearings and Sleeve Bearings |
| Product Number | A 7B 4-SF243216 |
| Product Name | 0.752" I.D., 1.003" O.D. By 2" Wide Bronze Bearing |
| Bushing Type | Sleeve |
| Design Units | Inch |
| Bearing ID | 0.7520 inch (19.10 mm) |
