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 | EX27509 | |
| Variant / construction | TDO - Tapered Double Outer | |
| Bore diameter | d | 560 mm |
| Outside diameter | D | 820 mm |
| Width | B | 258.5 mm |
| Basic dynamic load rating | C | 5250 kN |
| Basic static load rating | C0 | 11200 kN |
| Mass | ≈m | 406.98 kg |
| Precision class | ABMA Class K | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.28 | |
| Y1 Factor | 1.48 | |
| Y2 Factor | 2.20 | |
| Y0 Factor | 1.44 | |
| E Factor | 0.46 | |
| Cg Factor | 0.2682 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000190006890 | |
| World Assembly Part Number | NP915736_NP585761 | |
| Inner Ring Part Number | NP915736 | |
| Outer Ring Part Number | NP585761 | |
| Drawing Number | E-49280 | |
| Upc | 0013992368980 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:47.75 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TDO - Tapered Double Outer | |
| Construction | Double Row Tapered Roller Bearing Assembly | Imperial Series | 22.0472 in Bore | 32.2835 in OD | 10.1772 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class K | |
| Number Of Rows | 2 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 0.000 mm | |
| Radial Rating | 1,360,000 N | |
| Axial Rating | 611,000 N | |
| Dynamic Rating C1 | 5,250,000 N | |
| Dynamic Rating C90 | 1,360,000 N | |
| Dynamic Axial Rating Ca90 | 611,000 N | |
| Dynamic Axial Rating Ca1 | 2,360,000 N | |
| Static Radial Rating C0 | 11,200,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 7,470,000 N |
