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NACHI NN3048 bearing

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NACHI NN3048 Bearing Details:
Bearing NameNN3048
New ModelNN3048
Old Model3282148 bearing
product ModelNN3048
CategoryCylindrical Roller Bearings
BrandNACHI Bearing
Inner Diameter d ( mm ) 240
Outer Diameter D ( mm )360
Thickness B ( mm )92
NACHI NN3048 Bearing   Bearing Size and Drawing:
NN3048
NACHI NN3048 Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
TBS *23048CC/W33 Bearing24036092TBSSpherical Roller Bearings
KOYO 23048 CC/W33 Bearing24036092KOYOSpherical Roller Bearings
NTN NN 3048 Bearing24036092NTNCylindrical Roller Bearings
TBS C3048* Bearing24036092TBSSpherical Roller Bearings
FAG NN 3048 AS K.M.SP Bearing24036092FAGCylindrical Roller Bearings
KOYO 23048CCK/W33 Bearing24036092KOYOSpherical Roller Bearings
KOYO NN3048K Bearing24036092KOYOCylindrical Roller Bearings
KOYO NN 3048 Bearing24036092KOYOCylindrical Roller Bearings
NTN 23048 CC/W33 Bearing24036092NTNSpherical Roller Bearings
NTN 23048 CCK/W33 Bearing24036092NTNSpherical Roller Bearings

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What are the structural components and design advantages of cylindrical roller bearings?
 
Cylindrical roller bearings consist of an inner ring, an outer ring, cylindrical rollers, and a cage (some models have full complement rollers or no inner or outer rings). The rollers and raceways are designed for line contact, offering advantages such as extremely high radial load capacity, good rigidity, low coefficient of friction, high limiting speed, and the ability to allow a certain degree of axial displacement of the shaft relative to the housing bore.
 
What are the advantages of cylindrical roller bearings compared to other similar bearings?
 
Compared to deep groove ball bearings, cylindrical roller bearings have significantly higher radial load capacity, making them more suitable for heavy-duty applications. Compared to tapered roller bearings, they have higher limiting speeds, lower frictional heat generation, and simplify system design when not subjected to axial loads. Compared to needle roller bearings, they offer superior rigidity and shock resistance, making them suitable for applications requiring higher stability.
 
What are the applicable occasions and typical applications of cylindrical roller bearings?
 
These bearings are suitable for heavy-duty, high-speed machinery requiring rigid support. Typical applications include large motors, machine tool spindles, gearboxes, rolling mills, industrial pumps, papermaking machinery, and mining crushing equipment.

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