T911FS-T911S Screwdown Bearings, Heavy-duty Thrust Tapered Roller Bearing With Two Tapered Raceways
The T911FS-T911S Thrust tapered roller bearings are suitable for heavy-duty, high-rigidity axial load applications. Classic applications include crane slewing mechanisms, oil drilling rig rotary tables, rolling mill pressing mechanisms, heavy machine tool spindles, ship propeller thrust shafts, and the axial positioning ends of large gearboxes.
The T911FS-T911S bearing is a thrust tapered roller bearing, screwdown bearings, Heavy-duty thrust tapered roller bearing with two tapered raceways with an inner diameter of 228.6 mm , an outer diameter of 482.6 mm, a width of 146.05 mm. It typically uses PN (ABEC-1) grade precision tolerances and bearing steel rings, bearing steel rolling mlement. its static axial rated load is approximately 20273119 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
T911FS-T911S bearings ( 228.6 mm x 482.6 mm x 146.05 mm) have the advantages of Withstanding extremely large and heavy unidirectional axial thrust, and are therefore widely used in the crane hooks, oil well swivels, pulp refiners.
| Part Number | T911FS-T911S |
| Design type | TTHDSV-2: One lower tapered race with axial bore and recess diameter; One upper tapered race with a special concave profile. |
| Bearing Type | thrust tapered roller bearing, screwdown bearings, Heavy-duty thrust tapered roller bearing with two tapered raceways |
| Interchangeable | TIMKEN T911FS-T911S |
| Manufacturer Part Code | T911FS-T911S |
| Units | Inch |
| Tolerance class | PN (ABEC-1) |
| C0a Axial Static [lbf] | 4557397 |
| d φ Inside [inch] | 9.0000 |
| D Φ Outside [inch] | 19.0000 |
| T Width [inch] | 5.7500 |
| Rs [inch] | 23.9488 |
| rs max [inch] | 0.4409 |
| D1 [inch] | 19.0000 |
| H Screw Extension Diameter [inch] | 16.8750 |
| Weight [lb] | 330.2491 |
| Tolerance Table | 9, 10, 11 |
The T911FS-T911S Thrust tapered roller bearings mainly consist of a shaft ring, a housing ring, tapered rollers, and a cage. The raceways of the shaft ring and housing ring have a conical surface structure, and the rollers make line contact with the raceways. The cage is typically made of machined brass or stamped steel to ensure proper roller guidance.
Thrust tapered roller bearings can withstand enormous unidirectional axial loads and also possess a certain radial load-bearing capacity, far exceeding that of thrust ball bearings. They offer high rigidity, strong impact resistance, and precise axial positioning and preload can be achieved through the tapered roller structure.
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