| Product Number | NU421M |
| 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 | 105 mm |
| Bore Dia Tolerance | -0.02mm to 0 |
| Outer Dia | 260 mm |
| Outer Dia Tolerance | -0.035mm to 0 |
| Width | 60 mm |
| Width Tolerance | -0.2mm to 0 |
| Shoulder Diameter Of Inner Ring | |
| Shoulder Diameter Of Outer Ring | 206.3 mm |
| Raceway Diameter Of Inner Ring | 144.5 mm |
| Chamfer Dimension r1,2 | 4 mm |
| Chamfer Dimension r3,4 | 4 mm |
| Permissible Axial Displacement | 4.9 mm |
| Ring Material | 52100 Chrome Steel |
| Roller Material | 52100 Chrome Steel |
| Dynamic Load Rating | 501 kN |
| Static Load Rating | 570 kN |
| Max Speed (X1000 rpm) | 3 |
| Lubrication | Grease, Oil |
| Temperature Range | -30° to 110 °C |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 17.3 kg |
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