30 TP 108 Thrust Cylindrical Roller Bearing, Window-type Steel Cage
The 30 TP 108 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 30 TP 108 bearing is a Thrust cylindrical roller bearing with an inner diameter of 76.2 mm , an outer diameter of 203.2 mm, a width of 34.925 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 497382 N, its static axial rated load is approximately 2292278 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
30 TP 108 bearings ( 76.2 mm x 203.2 mm x 34.925 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 | 30 TP 108 |
| Design type | TP: Two or three cylindrical rollers per cage pocket |
| Bearing Type | Thrust cylindrical roller bearing |
| Interchangeable | TIMKEN 30 TP 108 |
| Manufacturer Part Code | 30TP108 |
| Series | TP |
| Cage | window-type steel cage |
| Units | Metric |
| Tolerance class | PN (ABEC-1) |
| C0a Axial Static [lbf] | 515304 |
| Ca Axial Dynamic [lbf] | 111811 |
| nG Speed ratings (oil) [rpm] | 1407 |
| d φ Inside [inch] | 3.0000 |
| D Φ Outside [inch] | 8.0000 |
| T Width [inch] | 1.3750 |
| T1 Cage Position [inch] | 0.3748 |
| r Fillet Radius [inch] | 0.0630 |
| d1 [inch] | 3.0626 |
| D1 [inch] | 7.9374 |
| E (Max) Shoulder Diameter Housing [inch] | 3.5630 |
| H (Min) Shoulder Diameter Shaft [inch] | 7.4370 |
| Weight [lb] | 13.8890 |
The 30 TP 108 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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