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 | 39000 | |
| Variant / construction | TSF - Tapered Single Flanged | |
| Bore diameter | d | 63.5 mm |
| Outside diameter | D | 104.775 mm |
| Width | B | 10.32 mm |
| Basic dynamic load rating | C | 115 kN |
| Basic static load rating | C0 | 120 kN |
| Mass | ≈m | 0.71 kg |
| Precision class | ABMA Class 0 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.51 | |
| Y1 Factor | 1.55 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 0.85 | |
| E Factor | 0.39 | |
| Cg Factor | 0.0947 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000100049093 | |
| World Assembly Part Number | 39250_39412-B | |
| Inner Ring Part Number | 39250 | |
| Outer Ring Part Number | 39412-B | |
| Drawing Number | A-6850 | |
| Upc | 0053893278131 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:47.273 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TSF - Tapered Single Flanged | |
| Construction | Precision Tapered Roller Bearing Assembly | Imperial Series | 2.5000 in Bore | 4.1250 in OD | 0.8438 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 0 | |
| Number Of Rows | 1 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 25.000 mm | |
| Radial Rating | 29,700 N | |
| Axial Rating | 19,700 N | |
| Dynamic Rating C1 | 115,000 N | |
| Dynamic Rating C90 | 29,700 N | |
| Dynamic Axial Rating Ca90 | 19,700 N | |
| Dynamic Axial Rating Ca1 | 76,100 N | |
| Static Radial Rating C0 | 120,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 136,000 N |
