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The NN 30 Series double row cylindrical roller bearings provide a good balance between load capacity, stiffness, and speed. These bearings have three flanges on the inner ring and no flanges on the outer ring. This allows the bearings to handle axial movement of the shaft in both directions. The separable design makes it easier to install and remove the bearings, especially when both rings need to have an interference fit to handle the loads. The tapered bore also helps with setting the right amount of clearance or preload when putting the bearings in.
| Inner Diameter | 130 mm | Number of Rows | Double Row | |
| Outer Diameter | 200 mm | Cage Material | Non-Metallic | |
| Width | 52 mm | Bearing Material | Steel | |
| Dynamic Load Rating | 292 kN | Seal Type | None On Both Sides | |
| Static Load Rating | 500 kN | Clearance | NSTD | |
| Fatigue Load Limit | 55 kN | Precision | Class UP | |
| Reference Speed | 4 300 rpm | Min Temperature | -40 °C | |
| Limiting Speed | 4 800 rpm | Max Temperature | +120 °C | |
| Rolling Element | Roller | Size Standard | Metric System | |
| Bore Type | Tapered 1:12 | Mass | 5.37 kg |
FEATURES AND BENEFITS
Able to handle very heavy radial loads, suitable for applications with significant load demands.
Specifications
Inner Diameter (ID): 130
Outer Diameter (OD): 200
Width (W): 52
Overall Size (IDxODxW): 130x200x52
Dynamic Load Rating: 292 kN
Static Load Rating: 500 kN
Bearing Material: Steel
Reference Speed: 4 300 rpm
Limiting Speed: 4 800 rpm
Cage Material: Non-Metallic
Seal Type: None On Both Sides
Clearance: NSTD
Precision: Class UP
Operating Temperature: -40 °C to +120 °C
Mass: 5.37 kg
