Sealmaster MST-39 Take-Up Unit, Medium Duty, Regreasable, Setscrew Locking Collar, Felt Seals, Cast Iron Housing, 2-7/16" Bore, 1-1/16" Slot Width, 5-15/16" Between Frames

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About Sealmaster MST-39 Take-Up Unit, Medium

This Sealmaster MST Series medium-duty take-up unit has a setscrew locking collar and felt seals, and is suitable for use in a take-up frame to adjust guided shaft position, such as in adjusting belt tension for a conveyor. The one-piece cast iron unit housing has slotted sides that fit into a take-up frame to allow movement within the frame. This bearing insert is made from ASTM International 52100 high carbon steel and its rings are coated with black oxide for corrosion resistance. The bearing insert has a heat treated inner race for wear resistance and an outer race with a brass land riding retainer that spaces the ball bearings for even load distribution and prevents contact to reduce friction, vibration, and noise. A collar extends from the bearing inner ring and setscrews lock the collar and bearing onto the shaft. This regreasable non-expansion-type bearing allows self-realignment and compensates for static and dynamic alignment errors, has an operating temperature range of -20 to 220 degrees F, and has low friction felt and flinger seals to retain lubricant and protect against contamination that would shorten the bearing life. This take-up unit is suitable for use in material handling applications, such as in belt conveyors.Mounted bearings combine a bearing mounted inside a housing unit. The bearing housing replaces the need for a casting or weldment to position the bearing securely for reliable operation, and its design determines the type of insert bearing. Insert bearings use rolling elements (ball, cylindrical, spherical, barrel, needle, spindled, or tapered) to maintain the separation between moving parts to reduce rotational friction, and to support radial and axial loads. Available in a variety of materials and mounting configurations, mounted bearings can be one- or two-piece, they can have an extended inner ring and locking device, and they can have seals and end caps that retain lubrication and protect the working parts of the bearing from environmental debris. Mounted bearings support shafts in a variety of mounting configurations (flange block, hanger, pillow block, and take-up block), and are used in a range of applications from light duty shaft guidance on conveyors to road building equipment and crushers.Sealmaster manufactures bearings and bearing accessories. The company, founded in 1938 and headquartered in Elsmere, KY, meets International Organization for Standardization (ISO) standard 9001.