NTN 4T-18790/18724 Bearing

NTN 4T-18790/18724 bearings | 50.800x88.900x17.462mm

Also known as : 18790/18724

  • Inside Diameter: 50.8 mm
  • Outside Diameter: 88.9 mm
  • Width: 17.462 mm
  • Basic dynamic load rating: 49.5 kN
  • Basic static load rating: 65 kN

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NTN 4T-18790/18724 Bearing

NTN 4T-18790/18724 Bearing details

Part Number 4T-18790/18724
Brand NTN
Type Tapered roller bearings
Inch series
Mass 0.431 kg
Boundary dimensions (mm)
Inner dia. (d) 50.8
Outer dia. (D) 88.9
Width (B) 17.462
ras max 3.5
Basic load ratings (kN)
Dynamic (Cr) 49.5
Static (Cor) 65
Basic load ratings (kgf)
Dynamic (Cr) 5050
Static (Cor) 6600
Limiting speed (min-1)
Grease 4200
Oil 5600
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-18790/18724 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.