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NTN 4T-3187/3120 Bearing

NTN 4T-3187/3120 bearings | 30.162x72.626x29.997mm

Also known as : 4T-3187/3120

  • Inside Diameter: 30.162 mm
  • Outside Diameter: 72.626 mm
  • Width: 29.997 mm
  • Basic dynamic load rating: 84.5 kN
  • Basic static load rating: 98 kN

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NTN 4T-3187/3120 Bearing

NTN 4T-3187/3120 Bearing details

Part Number 4T-3187/3120
Brand NTN
Type Tapered roller bearings
Inch series
Mass 0.621 kg
Boundary dimensions (mm)
Inner dia. (d) 30.162
Outer dia. (D) 72.626
Width (B) 29.997
ras max 0.8
Basic load ratings (kN)
Dynamic (Cr) 84.5
Static (Cor) 98
Basic load ratings (kgf)
Dynamic (Cr) 8600
Static (Cor) 9950
Limiting speed (min-1)
Grease 5500
Oil 7300
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-3187/3120 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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