| Part Number | NRT 325 B |
| System of Measurement | Metric |
| Roller Bearing Type | Cylindrical |
| For Load Direction | Combined |
| Bore Dia | 325 mm |
| Bore Dia Tolerance | -0.023mm to 0 |
| Outer Dia | 450 mm |
| Outer Dia Tolerance | -0.023mm to 0 |
| Width | 60 mm |
| Height Tolerance | -0.40mm to 0 |
| Shoulder Diameter Inner Ring – Large Shoulder | 415 mm |
| Outer Ring (Housing Washer) Width | 20 mm |
| Distance | 40 mm |
| Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter | 342 mm |
| Outer Ring (Housing Washer) Hole Pitch Circle Diameter | 430 mm |
| Inner Ring (Shaft/Locating Washer) Through Hole | 9.3 mm |
| Inner Ring (Shaft Washer) Sinkhole | 15 mm |
| Outer Ring (Housing Washer) Through Hole | 9.3 mm |
| Inner Ring (Shaft Washer) Sinkhole Depth | 8.2 mm |
| Outer Ring (Housing Washer) Chamfer Dimension r1 (min.) | 0.6 mm |
| Chamfer Dimension r2 (min.) | 0.6 mm |
| Basic Dynamic Load Rating – Radial Direction | 134 kN |
| Basic Static Load Rating – Radial Direction | 450 kN |
| Basic Dynamic Load Rating – Axial Direction | 153 kN |
| Attainable Speed For Grease Lubrication | 110 r/min |
| Attainable Speed For Oil-Air Lubrication | 220 r/min |
| Axial Preload | 12 kN |
| Axial Unloading Force | 26 kN |
| Frictional Moment | 45 N·m |
| Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face) | 28600000 kN/μm |
| Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face) | 8900000 kN/μm |
| Moment Stiffness | 427 kN·m/mrad |
| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
| Cage Material | Brass |
| Lubrication | Grease, Oil |
| Temperature Range | -30° to 110 °C |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 25 kg |