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IKO NA 4838 bearing

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IKO NA 4838 Bearing Details:
Bearing NameNA 4838
New ModelNA4838
Old Model4544838 bearing
product ModelNA4838
CategoryNeedle Roller Bearing
BrandIKO Bearing
Inner Diameter d ( mm ) 190
Outer Diameter D ( mm )240
Thickness B ( mm )50
IKO NA 4838 Bearing   Bearing Size and Drawing:
NA 4838
IKO NA 4838 Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
INA SL 02 4838 Bearing19024050INACylindrical Roller Bearings
FAG NA 4838 Bearing19024050FAGNeedle Roller Bearing
TBS NNC 4838 CV Bearing19024050TBSCylindrical Roller Bearings
TBS NA4838 Bearing19024050TBSNeedle Roller Bearing
IKO NA4838 Bearing19024050IKONeedle Roller Bearing
INA NA 4838 Bearing19024050INANeedle Roller Bearing
IKO RNA4838 Bearing19024050IKONeedle Roller Bearing
INA SL024838 Bearing19024050INACylindrical Roller Bearings
TBS NNCL 4838 CV Bearing19024050TBSCylindrical Roller Bearings
IKO NA 4838 Bearing19024050IKONeedle Roller Bearing

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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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