Single row open tapered roller bearing NTN 4T-28580/28521 for cylindrical shafts. Steel cage, inch size series.

Limit rotation speed 4000 rpm. Design dynamic load 116 kN, design static load 0.703 kN. Manufacturer's recommended operating temperature is from -40 °C to 120 °C

Outer ring width (B): 19.845 mm.
Inner ring width (C): 25.4 mm.
Total width of the bearing assembly (T): 24.608 mm.
Capable of supporting axial and radial loads like an angular contact bearing. The split design of tapered roller bearings allows the inner ring with rollers and cage to be installed separately from the outer (outer) ring. Often installed in pairs in a back-to-back pattern. or mirrored.