NN3006 KTN/SP Cylindrical Roller Bearing 30x55x19mm
Category: Cylindrical Roller Bearings
Specifications
Inner Diameter (ID)
30
Outer Diameter (OD)
55
Width (W)
19
Overall Size (IDxODxW)
30x55x19
Dynamic Load Rating
30.8 kN
Static Load Rating
37.5 kN
Reference Speed
17 000 rpm
Limiting Speed
19 000 rpm
Cage Material
Machined Metal
Seal Type
None On Both Sides
Clearance
C1
Precision
Class SP
Operating Temperature
-40 °C to +120 °C
Mass
0.179 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 | 30 mm | Number of Rows | Double Row | |
| Outer Diameter | 55 mm | Cage Material | Machined Metal | |
| Width | 19 mm | Bearing Material | Steel | |
| Dynamic Load Rating | 30.8 kN | Seal Type | None On Both Sides | |
| Static Load Rating | 37.5 kN | Clearance | C1 | |
| Fatigue Load Limit | 4 kN | Precision | Class SP | |
| Reference Speed | 17 000 rpm | Min Temperature | -40 °C | |
| Limiting Speed | 19 000 rpm | Max Temperature | +120 °C | |
| Rolling Element | Roller | Size Standard | Metric System | |
| Bore Type | Tapered 1:12 | Mass | 0.179 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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