T18500 Thrust Tapered Roller Bearings
The T18500 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 T18500 bearing is a Thrust Tapered Roller Bearings with an inner diameter of 469.9 mm , an outer diameter of 917.575 mm, a width of 222.25 mm. It typically uses PN (ABEC-1) grade precision tolerances and bearing steel rings, bearing steel rolling mlement. Its dynamic axial rated load is approximately 4823830 N, its static axial rated load is approximately 68197561 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
T18500 bearings ( 469.9 mm x 917.575 mm x 222.25 mm) have the advantages of Withstanding extremely large and heavy unidirectional axial thrust, and are therefore widely used in the heavily loaded extruders, cone crushers.
| Part Number | T18500 |
| Design type | TTHDFL-V-Flat |
| Bearing Type | Thrust Tapered Roller Bearings |
| Interchangeable | TIMKEN T18500 |
| Manufacturer Part Code | T 18500 |
| Units | Inch |
| Tolerance class | PN (ABEC-1) |
| C0a Axial Static [lbf] | 15330811 |
| Ca Axial Dynamic [lbf] | 1084396 |
| d φ Inside [inch] | 18.5000 |
| D Φ Outside [inch] | 36.1249 |
| T Width [inch] | 8.7500 |
| T1 Cage Position [inch] | 1.7500 |
| r Fillet Radius [inch] | 0.5000 |
| d1 [inch] | 18.5000 |
| D1 [inch] | 36.1251 |
| R (Max) Shaft Fillet Radius [inch] | 0.5000 |
| E (Max) Shoulder Diameter Housing [inch] | 20.4567 |
| H (Min) Shoulder Diameter Shaft [inch] | 32.5078 |
| Weight [lb] | 1120.1573 |
The T18500 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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