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 | L558500 | |
| Variant / construction | TS - Tapered Single | |
| Bore diameter | d | 320.675 mm |
| Outside diameter | D | 406.4 mm |
| Width | B | 50.8 mm |
| Basic dynamic load rating | C | 572 kN |
| Basic static load rating | C0 | 1260 kN |
| Mass | ≈m | 15.05 kg |
| Precision class | ABMA Class 8 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.43 | |
| Y1 Factor | 1.47 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 0.81 | |
| E Factor | 0.41 | |
| Cg Factor | 0.1641 |
Manufacturer Identity8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000190059173 | |
| World Assembly Part Number | L558548-SA_L558510WSA | |
| Inner Ring Part Number | L558548-SA | |
| Outer Ring Part Number | L558510WSA | |
| Drawing Number | C-112502 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:47.67 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TS - Tapered Single | |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 12.6250 in Bore | 16.0000 in OD | 2.0000 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 8 | |
| Number Of Rows | 1 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 59.062 mm | |
| Radial Rating | 148,000 N | |
| Axial Rating | 104,000 N | |
| Dynamic Rating C1 | 572,000 N | |
| Dynamic Rating C90 | 148,000 N | |
| Dynamic Axial Rating Ca90 | 104,000 N | |
| Dynamic Axial Rating Ca1 | 400,000 N | |
| Static Radial Rating C0 | 1,260,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 1,490,000 N |