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NTN 4T-641/633 Bearing

NTN 4T-641/633 bearings | 66.680x130.180x41.280mm

Also known as : 4T-641/633

  • Inside Diameter: 66.68 mm
  • Outside Diameter: 130.18 mm
  • Width: 41.28 mm
  • Basic dynamic load rating: 194 kN
  • Basic static load rating: 262 kN

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NTN 4T-641/633 Bearing

NTN 4T-641/633 Bearing details

Part Number 4T-641/633
Brand NTN
Type Tapered roller bearings
Inch series
Mass 2.41 kg
Boundary dimensions (mm)
Inner dia. (d) 66.68
Outer dia. (D) 130.18
Width (B) 41.28
ras max 3.5
Basic load ratings (kN)
Dynamic (Cr) 194
Static (Cor) 262
Basic load ratings (kgf)
Dynamic (Cr) 19800
Static (Cor) 26700
Limiting speed (min-1)
Grease 2800
Oil 3800
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-641/633 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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