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 | LL52500 | |
| Variant / construction | TS - Tapered Single | |
| Bore diameter | d | 22.225 mm |
| Outside diameter | D | 42.07 mm |
| Width | B | 11.176 mm |
| Basic dynamic load rating | C | 19.6 kN |
| Basic static load rating | C0 | 16.8 kN |
| Mass | ≈m | 0.07 kg |
| Precision class | ABMA Class 0 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.47 | |
| Y1 Factor | 1.51 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 0.83 | |
| E Factor | 0.40 | |
| Cg Factor | 0.0431 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000100048897 | |
| World Assembly Part Number | KLL52549_LL52510 | |
| Inner Ring Part Number | KLL52549 | |
| Outer Ring Part Number | LL52510 | |
| Drawing Number | A-25648 | |
| Upc | 0053893324890 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:46.31 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TS - Tapered Single | |
| Construction | Precision Tapered Roller Bearing Assembly | Imperial Series | 0.8750 in Bore | 1.6563 in OD | 0.4400 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 | 12.976 mm | |
| Radial Rating | 5,090 N | |
| Axial Rating | 3,460 N | |
| Dynamic Rating C1 | 19,600 N | |
| Dynamic Rating C90 | 5,090 N | |
| Dynamic Axial Rating Ca90 | 3,460 N | |
| Dynamic Axial Rating Ca1 | 13,300 N | |
| Static Radial Rating C0 | 16,800 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 19,400 N |
