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 | 640000 | |
| Variant / construction | TSF - Tapered Single Flanged | |
| Bore diameter | d | 488.95 mm |
| Outside diameter | D | 660.4 mm |
| Width | B | 38.1 mm |
| Basic dynamic load rating | C | 2370 kN |
| Basic static load rating | C0 | 4590 kN |
| Mass | ≈m | 90.1 kg |
| Precision class | ABMA Class 2 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.90 | |
| Y1 Factor | 1.95 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 1.07 | |
| E Factor | 0.31 | |
| Cg Factor | 0.2310 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000100116712 | |
| World Assembly Part Number | EE640192_640260-B | |
| Inner Ring Part Number | EE640192 | |
| Outer Ring Part Number | 640260-B | |
| Drawing Number | E-27041 | |
| Upc | 0053893021638 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:48.497 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TSF - Tapered Single Flanged | |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 19.2500 in Bore | 26.0000 in OD | 3.6875 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 | 101.058 mm | |
| Radial Rating | 614,000 N | |
| Axial Rating | 323,000 N | |
| Dynamic Rating C1 | 2,370,000 N | |
| Dynamic Rating C90 | 614,000 N | |
| Dynamic Axial Rating Ca90 | 323,000 N | |
| Dynamic Axial Rating Ca1 | 1,250,000 N | |
| Static Radial Rating C0 | 4,590,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 4,110,000 N |
