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NTN 4T-LM300849+/LM300811++ Bearing

NTN 4T-LM300849+/LM300811++ bearings

Also known as : LM300849+/LM300811++

  • Inside Diameter: 40.988 mm
  • Outside Diameter: 67.975 mm
  • Width: 18 mm
  • Basic dynamic load rating: 46 kN
  • Basic static load rating: 62.5 kN

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NTN 4T-LM300849+/LM300811++ Bearing

NTN 4T-LM300849+/LM300811++ Bearing details

Part Number 4T-LM300849+/LM300811++
Brand NTN
Type Tapered roller bearings
Inch series
Mass 0.239 kg
Boundary dimensions (mm)
Inner dia. (d) 40.988
Outer dia. (D) 67.975
Width (B) 18
ras max -
Basic load ratings (kN)
Dynamic (Cr) 46
Static (Cor) 62.5
Basic load ratings (kgf)
Dynamic (Cr) 4700
Static (Cor) 6400
Limiting speed (min-1)
Grease 5300
Oil 7000
As for the maximum value for inner and outer ring diameters of bearings whose bearing numbers are marked with "+" (inner ring) and "++" (outer ring), the precision class is an integer for class 4 and class 2 bearings only. Bearings with a # symbol next to the serial number are J-series bearings, and have a different tolerance to other series. For more details, see “Bearing Tolerance” listed in the “NTN ‘Ball and Roller Bearings’ Catalog.”

Nodes have NTN 4T-LM300849+/LM300811++ bearings in stock. Tapered roller bearings (Inch series), are designed so the inner and outer ring raceway and the apex of the tapered rollers intersect at one point on the bearing centerline.

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