NN3024 KTN9/SP Cylindrical Roller Bearing 120x180x46mm
Category: Cylindrical Roller Bearings
Specifications
Inner Diameter (ID)
120
Outer Diameter (OD)
180
Width (W)
46
Overall Size (IDxODxW)
120x180x46
Dynamic Load Rating
229 kN
Static Load Rating
390 kN
Reference Speed
4 800 rpm
Limiting Speed
5 300 rpm
Cage Material
Non-Metallic
Seal Type
None On Both Sides
Clearance
C1
Precision
Class SP
Operating Temperature
-40 °C to +120 °C
Mass
3.67 kg
Bearing Material
Steel
Details
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.
SPECIFICATIONS
| Inner Diameter | 120 mm | Number of Rows | Double Row | |
| Outer Diameter | 180 mm | Cage Material | Non-Metallic | |
| Width | 46 mm | Bearing Material | Steel | |
| Dynamic Load Rating | 229 kN | Seal Type | None On Both Sides | |
| Static Load Rating | 390 kN | Clearance | C1 | |
| Fatigue Load Limit | 44 kN | Precision | Class SP | |
| Reference Speed | 4 800 rpm | Min Temperature | -40 °C | |
| Limiting Speed | 5 300 rpm | Max Temperature | +120 °C | |
| Rolling Element | Roller | Size Standard | Metric System | |
| Bore Type | Tapered 1:12 | Mass | 3.67 kg |
FEATURES AND BENEFITS
- High rigidity and high running accuracy.
-
Able to handle very heavy radial loads, suitable for applications with significant load demands.
- Accommodate axial displacement in both directions to minimize noise, vibration and heat generation.
Yes, miniature ball bearings are designed to handle high rotational speeds, making them ideal for devices and equipment that require rapid movement.
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