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RNU311 Cylindrical Roller Bearing 70.5x120x29mm

RNU311 Cylindrical Roller Bearing 70.5x120x29mm


Specifications
Inner Diameter (ID)
70.5
Outer Diameter (OD)
120
Width (W)
29
Overall Size (IDxODxW)
70.5x120x29
Dynamic Load Rating
128 kN
Static Load Rating
138 kN
Reference Speed
4 800 rpm
Limiting Speed
6 000 rpm
Cage Material
Steel
Seal Type
None On Both Sides
Clearance
CN
Precision
Grade 0
Operating Temperature
-40 °C to +120 °C
Mass
1.5 kg
Details

Cylindrical Roller Bearing has an inner ring and two integral flanges while the outer removable ring has no flanges. Axial displacement of the shaft with respect to the housing can be accommodated in both directions. The rollers in a single row cylindrical roller bearing are always guided between the integral flanges on one of the rings. Combined with the special designed and surface finished roller ends, the flanges will provide improved lubrication, and reduce friction. RNU Series is specialized for type NU bearing without inner ring, typically used as non-locating bearings as it can accommodate heavy radial loads and provide a stronger, stiffer shaft.

Similar to SKF, NTN, Koyo, FAG Roller Series. 


SPECIFICATIONS
 
 
Inner Diameter 70.5 mm Number of Rows Single Row
Outer Diameter 120 mm Cage Material Steel
Width 29 mm Seal Type None On Both Sides
Dynamic Load Rating 128 kN Clearance CN
Static Load Rating 138 kN Precision Grade 0
Fatigue Load Limit  kN Min Temperature -40 °C
Reference Speed 4 800 rpm Max Temperature +120 °C
Limiting Speed 6 000 rpm Size Standard Metric System
Rolling Element Roller Mass 1.5 kg


FEATURES AND BENEFITS


  • Detachable components allow for easy maintenance and replacement.

  • Able to handle heavy radial loads, suitable for applications with significant load demands.

  • Axial displacement capability minimizes wear and extends the operational life of the bearing.
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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