Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | EX27557 | |
| Variant / construction | Cylindrical 1-Row | |
| Bore diameter | d | 120 mm |
| Outside diameter | D | 215 mm |
| Width | B | 40 mm |
| Basic dynamic load rating | C | 379 kN |
| Basic static load rating | C0 | 431 kN |
| Mass | ≈m | 5.89 kg |
| Sealing | Open | |
| Cage | Window Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 0.00 | |
| Y1 Factor | 0.00 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 0.00 | |
| E Factor | 0.00 | |
| Cg Factor | 0.1089 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000190063958 | |
| World Assembly Part Number | NJ224EJ | |
| Inner Ring Part Number | 120ARJE02 | |
| Outer Ring Part Number | 120ERUE02 | |
| Drawing Number | M960188 | |
| Upc | 0087796379107 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:48.51 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | Cylindrical 1-Row | |
| Construction | Single Row Cylindrical Roller Bearing | Imperial Series | 4.7244 in Bore | 8.4646 in OD | 1.5748 in Width | Open | Cylindrical Bore | Stamped Window Steel Cage | C0 Clearance | |
| Number Of Rows | 1 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 0.000 mm | |
| Radial Rating | 379,000 N | |
| Axial Rating | 0 N | |
| Dynamic Rating C1 | 379,000 N | |
| Dynamic Rating C90 | 0 N | |
| Dynamic Axial Rating Ca90 | 0 N | |
| Dynamic Axial Rating Ca1 | 0 N | |
| Static Radial Rating C0 | 431,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 0 N |
