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 | 138000 | |
| Variant / construction | TDI - Tapered Double Inner | |
| Bore diameter | d | 330.302 mm |
| Outside diameter | D | 438.023 mm |
| Width | B | 120.65 mm |
| Basic dynamic load rating | C | 1280 kN |
| Basic static load rating | C0 | 3190 kN |
| Mass | ≈m | 46.18 kg |
| Precision class | ABMA Class 3 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.27 | |
| Y1 Factor | 1.47 | |
| Y2 Factor | 2.19 | |
| Y0 Factor | 1.44 | |
| E Factor | 0.46 | |
| Cg Factor | 0.1786 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000100002460 | |
| World Assembly Part Number | EE138131D_138172 | |
| Inner Ring Part Number | EE138131D | |
| Outer Ring Part Number | 138172 | |
| Drawing Number | C-39756 | |
| Upc | 0053893499840 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:47.397 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TDI - Tapered Double Inner | |
| Construction | Precision Tapered Roller Bearing Assembly | Imperial Series | 13.0040 in Bore | 17.2450 in OD | 4.7500 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 3 | |
| Number Of Rows | 2 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 0.000 mm | |
| Radial Rating | 331,000 N | |
| Axial Rating | 149,000 N | |
| Dynamic Rating C1 | 1,280,000 N | |
| Dynamic Rating C90 | 331,000 N | |
| Dynamic Axial Rating Ca90 | 149,000 N | |
| Dynamic Axial Rating Ca1 | 576,000 N | |
| Static Radial Rating C0 | 3,190,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 2,130,000 N |
