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NTN 4T-661/653 Bearing

NTN 4T-661/653 bearings | 79.380x146.050x41.280mm

Also known as : 4T-661/653

  • Inside Diameter: 79.38 mm
  • Outside Diameter: 146.05 mm
  • Width: 41.28 mm
  • Basic dynamic load rating: 206 kN
  • Basic static load rating: 295 kN

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NTN 4T-661/653 Bearing

NTN 4T-661/653 Bearing details

Part Number 4T-661/653
Brand NTN
Type Tapered roller bearings
Inch series
Mass 2.91 kg
Boundary dimensions (mm)
Inner dia. (d) 79.38
Outer dia. (D) 146.05
Width (B) 41.28
ras max 3.5
Basic load ratings (kN)
Dynamic (Cr) 206
Static (Cor) 295
Basic load ratings (kgf)
Dynamic (Cr) 21000
Static (Cor) 30000
Limiting speed (min-1)
Grease 2500
Oil 3300
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-661/653 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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