| Product Number | NU 31/500 ECMA/HB1 |
| System of Measurement | Metric |
| Roller Bearing Type | Cylindrical |
| For Load Direction | Combined Radial and Thrust |
| Construction | Single Row |
| Inner Ring Type | With Inner Ring |
| Seal Type | Open |
| Bore Dia | 500 mm |
| Bore Dia Tolerance | -0.045mm to 0 |
| Outer Dia | 830 mm |
| Outer Dia Tolerance | -0.1mm to 0 |
| Width | 264 mm |
| Width Tolerance | -0.45mm to 0 |
| Shoulder Diameter Of Inner Ring | |
| Shoulder Diameter Of Outer Ring | 728 mm |
| Raceway Diameter Of Inner Ring | 576 mm |
| Chamfer Dimension r1,2 | 7.5 mm |
| Chamfer Dimension r3,4 | |
| Permissible Axial Displacement | 14.5 mm |
| Ring Material | 52100 Chrome Steel |
| Roller Material | 52100 Chrome Steel |
| Dynamic Load Rating | 6440 kN |
| Static Load Rating | 12000 kN |
| Max Speed (X1000 rpm) | 1 |
| Lubrication | Grease, Oil |
| Temperature Range | -30° to 110 °C |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 595 kg |
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