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 | A2000 | |
| Variant / construction | TDO - Tapered Double Outer | |
| Bore diameter | d | 11.986 mm |
| Outside diameter | D | 30.48 mm |
| Width | B | 25.4 mm |
| Basic dynamic load rating | C | 18.8 kN |
| Basic static load rating | C0 | 18.5 kN |
| Mass | ≈m | 0.09 kg |
| Precision class | ABMA Class 0 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.44 | |
| Y1 Factor | 1.67 | |
| Y2 Factor | 2.48 | |
| Y0 Factor | 1.63 | |
| E Factor | 0.41 | |
| Cg Factor | 0.0308 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000100027097 | |
| World Assembly Part Number | A2047_A2120D | |
| Inner Ring Part Number | A2047 | |
| Outer Ring Part Number | A2120D | |
| Drawing Number | A-73984 | |
| Upc | 0053893109121 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:47.277 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TDO - Tapered Double Outer | |
| Construction | Double Row Tapered Roller Bearing Assembly | Imperial Series | 0.4719 in Bore | 1.2000 in OD | 1.0000 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 0 | |
| Number Of Rows | 2 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 0.000 mm | |
| Radial Rating | 4,880 N | |
| Axial Rating | 1,940 N | |
| Dynamic Rating C1 | 18,800 N | |
| Dynamic Rating C90 | 4,880 N | |
| Dynamic Axial Rating Ca90 | 1,940 N | |
| Dynamic Axial Rating Ca1 | 7,500 N | |
| Static Radial Rating C0 | 18,500 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 10,900 N |
