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NN3011 KTN/UP Cylindrical Roller Bearing 55x90x26mm

NN3011 KTN/UP Cylindrical Roller Bearing 55x90x26mm


Specifications
Inner Diameter (ID)
55
Outer Diameter (OD)
90
Width (W)
26
Overall Size (IDxODxW)
55x90x26
Dynamic Load Rating
69.3 kN
Static Load Rating
96.5 kN
Reference Speed
10 000 rpm
Limiting Speed
12 000 rpm
Cage Material
Non-Metallic
Seal Type
None On Both Sides
Clearance
C1
Precision
Class UP
Operating Temperature
-40 °C to +120 °C
Mass
0.579 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 55 mm Number of Rows Double Row
Outer Diameter 90 mm Cage Material Non-Metallic
Width 26 mm Bearing Material Steel
Dynamic Load Rating 69.3 kN Seal Type None On Both Sides
Static Load Rating 96.5 kN Clearance C1
Fatigue Load Limit 11.5 kN Precision Class UP
Reference Speed 10 000 rpm Min Temperature -40 °C
Limiting Speed 12 000 rpm Max Temperature +120 °C
Rolling Element Roller Size Standard Metric System
Bore Type Tapered 1:12 Mass 0.579 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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