Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | EX28155 | |
| Variant / construction | TS - Tapered Single | |
| Bore diameter | d | 488.95 mm |
| Outside diameter | D | 634.873 mm |
| Width | B | 84.138 mm |
| Basic dynamic load rating | C | 1480 kN |
| Basic static load rating | C0 | 3510 kN |
| Mass | ≈m | 60.25 kg |
| Precision class | ABMA Class 2 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.24 | |
| Y1 Factor | 1.28 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 0.70 | |
| E Factor | 0.47 | |
| Cg Factor | 0.2461 |
Manufacturer Identity8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000190031924 | |
| World Assembly Part Number | NP126689_NP204444 | |
| Inner Ring Part Number | NP126689 | |
| Outer Ring Part Number | NP204444 | |
| Drawing Number | C-88349 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:46.397 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TS - Tapered Single | |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 19.2500 in Bore | 24.9950 in OD | 3.3125 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | |
| Number Of Rows | 1 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 102.125 mm | |
| Radial Rating | 384,000 N | |
| Axial Rating | 309,000 N | |
| Dynamic Rating C1 | 1,480,000 N | |
| Dynamic Rating C90 | 384,000 N | |
| Dynamic Axial Rating Ca90 | 309,000 N | |
| Dynamic Axial Rating Ca1 | 1,190,000 N | |
| Static Radial Rating C0 | 3,510,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 4,810,000 N |
