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INA BK 4012 bearing

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INA BK 4012 Bearing Details:
Bearing Name BK 4012
New ModelBK4012
Old Model25941/40 bearing
product ModelBK4012
CategoryNeedle Roller Bearing
BrandINA Bearing
Inner Diameter d ( mm ) 40
Outer Diameter D ( mm )47
Thickness B ( mm )12
INA BK 4012 Bearing   Bearing Size and Drawing:
 BK 4012
INA BK 4012 Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
NTN BK4012 Bearing404712NTNNeedle Roller Bearing
IKO BK 4012 Bearing404712IKONeedle Roller Bearing
INA BK4012 Bearing404712INANeedle Roller Bearing
FAG HK 4012 Bearing404712FAGNeedle Roller Bearing
TBS BK 4012 Bearing404712TBSNeedle Roller Bearing
NTN HK 4012 Bearing404712NTNNeedle Roller Bearing
IKO BK4012 Bearing404712IKONeedle Roller Bearing
TORRINGTON HK 4012 Bearing404712TORRINGTONNeedle Roller Bearing
TBS BK4012 Bearing404712TBSNeedle Roller Bearing
INA HK 4012 Bearing404712INANeedle Roller Bearing

We export high quantities INA BK 4012 Bearing and relative products, we have huge stocks for INA BK 4012 Bearing and relative items, we supply high quality INA BK 4012 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 INA BK 4012 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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