
| Part Number | NJ 203 ECPHA |
| Brand: BearingMaker | Interchangeable With: SKF |
| System of Measurement | Metric |
| Roller Bearing Type | Cylindrical |
| For Load Direction | Combined |
| Construction | Single Row |
| Inner Ring Type | With Inner Ring |
| Seal Type | Open |
| Bore Dia | 17 mm |
| Bore Dia Tolerance | -0.008mm to 0 |
| Outer Dia | 40 mm |
| Outer Dia Tolerance | -0.011mm to 0 |
| Width | 12 mm |
| Width Tolerance | -0.12mm to 0 |
| Shoulder Dia Of Inner Ring | 25 mm |
| Shoulder Dia Of Outer Ring | 32.35 mm |
| Raceway Diameter Of Inner Ring | 22.1 mm |
| Chamfer Dimension r1,2(min.) | 0.6 mm |
| Chamfer Dimension r3,4(min.) | 0.6 mm |
| Permissible Axial Displacement(max.) | 1 mm |
| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
| Cage Material | PEEK cage, outer ring centred |
| Dynamic Radial Load | 4500 lbf |
| Static Radial Load | 3218 lbf |
| Max Speed (X1000 rpm) | 30 |
| Lubrication | Grease, Oil |
| Temperature Range | -30° to 110 °C |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 0.07 kg |









