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RN308 Cylindrical Roller Bearing 40x77.5x23mm

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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. RN Series is specialized for type N bearing without outer ring, typically used as non-locating bearings as it can accommodate heavy radial loads and high speeds.

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


SPECIFICATIONS
 
 
Inner Diameter 40 mm Number of Rows Single Row
Outer Diameter 77.5 mm Cage Material Steel
Width 23 mm Seal Type None On Both Sides
Dynamic Load Rating 81 kN Clearance CN
Static Load Rating 87 kN Precision Grade 0
Fatigue Load Limit  kN Min Temperature -40 °C
Reference Speed 6 300 rpm Max Temperature +120 °C
Limiting Speed 8 000 rpm Size Standard Metric System
Rolling Element Roller Mass 0.41 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.

Specifications

Inner Diameter (ID): 40

Outer Diameter (OD): 77.5

Width (W): 23

Overall Size (IDxODxW): 40x77.5x23

Dynamic Load Rating: 81 kN

Static Load Rating: 87 kN

Reference Speed: 6 300 rpm

Limiting Speed: 8 000 rpm

Cage Material: Steel

Seal Type: None On Both Sides

Clearance: CN

Precision: Grade 0

Operating Temperature: -40 °C to +120 °C

Mass: 0.41 kg

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