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Needle Roller Bearings



Needle Roller Bearings
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.

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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
Item Code Inner Diameter Outer Diameter Width IDxODxW Dynamic Load Rating Static Load Rating Fatigue Load Limit Reference Speed Limiting Speed Material Cage Material End Type Mass
d D B C C0 PU m
mm kN rpm kg

Applications
 
Automotive
Agriculture
Mining & Construction
Railway
Oil & Gas
Steel Industry
FAQ

Q: Can needle roller bearings be used in high-speed applications?

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Yes, certain types of needle roller bearings, such as needle roller and cage assemblies, are suitable for high-speed applications due to their low friction and lightweight design.

Q: Can needle roller bearings be used in oscillating applications?

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Yes, needle roller bearings are suitable for oscillating motions when combined with proper housing designs and adequate lubrication.

Q: Can needle roller bearings be used in extreme temperatures?

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Depending on the material and lubricant used, needle roller bearings can operate in a range of temperatures. Special designs and materials may be required for extreme temperature conditions.