140tp159 Thrust Cylindrical Roller Bearing, Window-type Steel Cage
The 140tp159 Cylindrical roller thrust bearings are specifically designed for applications requiring heavy axial loads and stringent positioning accuracy. Classic applications include heavy-duty vertical lathe tables, marine propeller shaft thrust devices, large gearboxes, wind turbine main gearboxes, rolling mill pressing mechanisms, and crane slewing bearings.
The 140tp159 bearing is a Thrust cylindrical roller bearing with an inner diameter of 355.6 mm , an outer diameter of 558.8 mm, a width of 95.25 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 2995738 N, its static axial rated load is approximately 16695093 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
140tp159 bearings ( 355.6 mm x 558.8 mm x 95.25 mm) have the advantages of extremely high axial load capacity, high rigidity, compact axial structure, and a detachable design for easy installation, and are therefore widely used in the Machine tool worktables, extruders, differentials, wind power equipment, and oil drilling machinery.
| Part Number | 140tp159 |
| Design type | TP: Two or three cylindrical rollers per cage pocket |
| Bearing Type | Thrust cylindrical roller bearing |
| Interchangeable | TIMKEN 140tp159 |
| Manufacturer Part Code | 140 TP 159 |
| Series | TP |
| Cage | window-type steel cage |
| Units | Metric |
| Tolerance class | PN (ABEC-1) |
| C0a Axial Static [lbf] | 3753056 |
| Ca Axial Dynamic [lbf] | 673441 |
| nG Speed ratings (oil) [rpm] | 509 |
| d φ Inside [inch] | 14.0000 |
| D Φ Outside [inch] | 22.0000 |
| T Width [inch] | 3.7500 |
| T1 Cage Position [inch] | 1.0311 |
| r Fillet Radius [inch] | 0.2520 |
| d1 [inch] | 14.1252 |
| D1 [inch] | 21.8748 |
| E (Max) Shoulder Diameter Housing [inch] | 14.9370 |
| H (Min) Shoulder Diameter Shaft [inch] | 21.0630 |
| Weight [lb] | 197.5322 |
The 140tp159 Cylindrical roller thrust bearings mainly consist of a shaft ring, a housing ring, cylindrical rollers, and a cage assembly. The rollers are arranged radially, forming a line contact load-bearing structure.
The advantages of cylindrical roller thrust bearings include extremely high axial load capacity, excellent rigidity, and a low coefficient of friction. Optimized roller end faces and flanges can accommodate slight eccentricity and impact loads, while also featuring a compact structure and high rotational accuracy.
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