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 | HH255100 | |
| Variant / construction | TDI - Tapered Double Inner | |
| Bore diameter | d | 279.4 mm |
| Outside diameter | D | 457.2 mm |
| Width | B | 244.475 mm |
| Basic dynamic load rating | C | 4560 kN |
| Basic static load rating | C0 | 9650 kN |
| Mass | ≈m | 168.98 kg |
| Precision class | ABMA Class 2 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.76 | |
| Y1 Factor | 2.03 | |
| Y2 Factor | 3.02 | |
| Y0 Factor | 1.98 | |
| E Factor | 0.33 | |
| Cg Factor | 0.1922 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000100209484 | |
| World Assembly Part Number | HH255149D_HH255110 | |
| Inner Ring Part Number | HH255149D | |
| Outer Ring Part Number | HH255110 | |
| Drawing Number | C-22133 | |
| Upc | 0087796015388 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:47.673 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TDI - Tapered Double Inner | |
| Construction | Double Row Tapered Roller Bearing Assembly | Imperial Series | 11.0000 in Bore | 18.0000 in OD | 9.6250 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | |
| Number Of Rows | 2 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 0.000 mm | |
| Radial Rating | 1,180,000 N | |
| Axial Rating | 386,000 N | |
| Dynamic Rating C1 | 4,560,000 N | |
| Dynamic Rating C90 | 1,180,000 N | |
| Dynamic Axial Rating Ca90 | 386,000 N | |
| Dynamic Axial Rating Ca1 | 1,490,000 N | |
| Static Radial Rating C0 | 9,650,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 4,670,000 N |
