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NTN NKI 42/20 bearing

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NTN NKI 42/20 Bearing Details:
Bearing NameNKI 42/20
New ModelNKI42/20
Old ModelNKI42/20 bearing
product ModelNKI42/20
CategoryNeedle Roller Bearing
BrandNTN Bearing
Inner Diameter d ( mm ) 42
Outer Diameter D ( mm )57
Thickness B ( mm )20
NTN NKI 42/20 Bearing   Bearing Size and Drawing:
NKI 42/20
NTN NKI 42/20 Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
TBS NK47/20 Bearing425720TBSNeedle Roller Bearing
INA NK47/20 Bearing425720INANeedle Roller Bearing
INA NKI 42/20 Bearing425720INANeedle Roller Bearing
FAG NKI42/20 Bearing425720FAGNeedle Roller Bearing
NTN NK47/20 Bearing425720NTNNeedle Roller Bearing
IKO NK 47/20 Bearing425720IKONeedle Roller Bearing
NTN NK 47/20 Bearing425720NTNNeedle Roller Bearing
INA NKI42/20 Bearing425720INANeedle Roller Bearing
INA NK 47/20 Bearing425720INANeedle Roller Bearing
TBS NKI 42/20 Bearing425720TBSNeedle Roller Bearing

We export high quantities NTN NKI 42/20 Bearing and relative products, we have huge stocks for NTN NKI 42/20 Bearing and relative items, we supply high quality NTN NKI 42/20 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 NTN NKI 42/20 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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