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FAG NK21/20 bearing

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FAG NK21/20 Bearing Details:
Bearing NameNK21/20
New ModelNK21/20
Old ModelNK21/20 bearing
product ModelNK21/20
CategoryNeedle Roller Bearing
BrandFAG Bearing
Inner Diameter d ( mm ) 17
Outer Diameter D ( mm )29
Thickness B ( mm )20
FAG NK21/20 Bearing   Bearing Size and Drawing:
NK21/20
FAG NK21/20 Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
INA NKI17/20 Bearing172920INANeedle Roller Bearing
INA NKI 17/20 Bearing172920INANeedle Roller Bearing
NTN NKI17/20 Bearing172920NTNNeedle Roller Bearing
IKO NK 21/20 Bearing172920IKONeedle Roller Bearing
FAG NK21/20 Bearing172920FAGNeedle Roller Bearing
INA NK21/20 Bearing172920INANeedle Roller Bearing
TBS NK 21/20 Bearing172920TBSNeedle Roller Bearing
INA NKI 17/20 Bearing172920INANeedle Roller Bearing
TBS NKI 17/20 Bearing172920TBSNeedle Roller Bearing
IKO NK21/20 Bearing172920IKONeedle Roller Bearing

We export high quantities FAG NK21/20 Bearing and relative products, we have huge stocks for FAG NK21/20 Bearing and relative items, we supply high quality FAG NK21/20 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 FAG NK21/20 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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