Single row open tapered roller bearing NTN 4T-37431A/37625 for cylindrical shafts. Steel cage, inch size series.

The maximum rotation speed is 2100 rpm. Design dynamic load 166 kN, design static load 1.32 kN. Manufacturer's recommended operating temperature -40°C to 120°C

Outer ring width (B): 15.875 mm.
Inner ring width (C): 21.438 mm.
Overall width bearing assembly (T): 23.02 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.
Found under catalog numbers: 57551, 6005026155, etc.