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NA6912 Needle Roller Bearing 60x85x45mm

NA6912 Needle Roller Bearing 60x85x45mm


Specifications
Inner Diameter (ID)
60
Outer Diameter (OD)
85
Width (W)
45
Overall Size (IDxODxW)
60x85x45
Dynamic Load Rating
93.5 kN
Static Load Rating
204.0 kN
Reference Speed
6 000 rpm
Limiting Speed
6 700 rpm
Cage Material
Non-Metallic
Seal Type
None On Both Sides
Clearance
CN
Precision
Grade 0
Operating Temperature
-40 °C to +120 °C
Mass
0.81 kg
Details

Needle roller bearings are a type of precision roller bearing characterized by long, thin cylindrical rollers resembling needles. Their distinctive design allows for a higher length-to-diameter ratio, enabling these bearings to handle high radial loads in compact spaces. Commonly used in automotive transmissions, industrial gearboxes, and various machinery requiring efficient radial load support, needle roller bearings offer advantages of lightweight construction, cost-effectiveness, and suitability for high-speed applications. The needle rollers, guided by the bearing's races, distribute loads evenly, providing excellent radial load-carrying capacity. Proper lubrication is essential for minimizing friction, ensuring durability, and extending service life. Needle roller bearings find application in diverse industries where space constraints and the need for efficient radial load handling are critical considerations. 


SPECIFICATIONS
 
 
Inner Diameter 60 mm Number of Rows Single Row
Outer Diameter 85 mm Cage Material Non-Metallic
Width 45 mm Seal Type None On Both Sides
Dynamic Load Rating 93.5 kN Clearance CN
Static Load Rating 204.0 kN Precision Grade 0
Fatigue Load Limit 25.0 kN Min Temperature -40 °C
Reference Speed 6 000 rpm Max Temperature +120 °C
Limiting Speed 6 700 rpm Size Standard Metric System
Rolling Element Roller Mass 0.81 kg


FEATURES AND BENEFITS


  • High load-carrying capacity.

  • Low friction and high-speed.

  • Support both radial and axial loads.

  • Well suited for applications with limited radial space.

 

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