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NTN RNA 4913 bearing

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NTN RNA 4913 Bearing Details:
Bearing NameRNA 4913
New ModelRNA4913
Old Model4644913 bearing
product ModelRNA4913
CategoryNeedle Roller Bearing
BrandNTN Bearing
Inner Diameter d ( mm ) 65
Outer Diameter D ( mm )90
Thickness B ( mm )25
NTN RNA 4913 Bearing   Bearing Size and Drawing:
RNA 4913
NTN RNA 4913 Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
IKO RNA4913 Bearing659025IKONeedle Roller Bearing
INA NA4913 Bearing659025INANeedle Roller Bearing
FAG RNA4913 Bearing659025FAGNeedle Roller Bearing
FAG NA4913 Bearing659025FAGNeedle Roller Bearing
TBS RNA4913 Bearing659025TBSNeedle Roller Bearing
INA NKI65/25 Bearing659025INANeedle Roller Bearing
FAG RNA 4913 Bearing659025FAGNeedle Roller Bearing
FAG NK73/25 Bearing659025FAGNeedle Roller Bearing
INA NK73/25 Bearing659025INANeedle Roller Bearing
TBS RNA 4913 Bearing659025TBSNeedle Roller Bearing

We export high quantities NTN RNA 4913 Bearing and relative products, we have huge stocks for NTN RNA 4913 Bearing and relative items, we supply high quality NTN RNA 4913 Bearing with reasonbable price or we produce the bearings along with the technical data or relative drawings, It's priority to us to supply best service to our clients. If you are interested in NTN RNA 4913 Bearing,plz email us admin@tradebearings.com
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What are the structural components and design advantages of needle roller bearings?
 
Needle roller bearings consist of slender needle rollers, a cage, and rings (or ringless bearings) typically with a thin-walled design. The needle rollers and raceways have a line contact design, offering advantages such as extremely small radial cross-section, high load capacity, good rigidity, and a low coefficient of friction. They are suitable for compact structures with limited radial space and the need to withstand high loads.
 
What are the advantages of needle roller bearings compared to other similar bearings?
 
Compared to cylindrical roller bearings, needle roller bearings have a significantly smaller radial cross-section, making them more suitable for space-constrained compact designs. Compared to deep groove ball bearings, they have a higher radial load capacity and offer greater shaft diameter design flexibility for the same outer diameter. Compared to sliding bearings, they have lower starting friction, higher running accuracy, and require no complex lubrication system.
 
What are the application scenarios and typical applications of needle roller bearings?
 
These bearings are suitable for mechanical applications with limited radial space, high load capacity, and compact structure requirements. Typical applications include automotive transmissions, engine connecting rods, universal joints, textile machinery, industrial robot joints, motorcycle engines, and aviation hydraulic pumps.

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