The BBXBLK-UFL21444 is a standard duty two-bolt flange mounting block with a 2-3/4 in. bore, cast iron housing, and dual seal type, designed for set screw shaft retention. It measures 10-7/16 in. in height, 8-1/2 in. in length, 6-5/16 in. in width, and has a flange thickness of 1-7/32 in. with a bolt circle of 2-1/8 in. The unit weighs 12.34 lb. and is mounted using two bolts with a 3/4 in. diameter. The mounting block is rated for inch-sized shafts and features a 29/32 in. mounting flange thickness and 1-3/16 in. set screw size. All dimensions and weights are as specified for the UFL21444 variant in the series.
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 | Pillow Block Bearings |
| Product Number | BBXBLK-UFL21444 |
| Product Name | 2-3/4 in. ID, 10-7/16 in. High Standard Duty Set Screw Type Diamond Flange Mounting Block |
| Shaft Securing Method | Setscrew |
