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TBS IR 280X305X69 bearing

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TBS IR 280X305X69 Bearing Details:
Bearing NameIR 280X305X69
New ModelIR280x305x69
Old Model bearing
product ModelIR280x305x69
CategoryNeedle Roller Bearing
BrandTBS Bearing
Inner Diameter d ( mm ) 280
Outer Diameter D ( mm )305
Thickness B ( mm )69
TBS IR 280X305X69 Bearing   Bearing Size and Drawing:
IR 280X305X69
TBS IR 280X305X69 Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
TBS IR280x305x69 Bearing28030569TBSNeedle Roller Bearing
INA IR 280X305X69 Bearing28030569INAothers
TBS IR 280X305X69 Bearing28030569TBSNeedle Roller Bearing
INA IR280X305X69 Bearing28030569INAothers

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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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