NTN 4T-1985/1931 Bearing

NTN 4T-1985/1931 bearings | 28.575x60.325x19.355mm

Also known as : 4T-1985/1931

  • Inside Diameter: 28.575 mm
  • Outside Diameter: 60.325 mm
  • Width: 19.355 mm
  • Basic dynamic load rating: 40.5 kN
  • Basic static load rating: 44.5 kN

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NTN 4T-1985/1931 Bearing

NTN 4T-1985/1931 Bearing details

Part Number 4T-1985/1931
Brand NTN
Type Tapered roller bearings
Inch series
Mass 0.255 kg
Boundary dimensions (mm)
Inner dia. (d) 28.575
Outer dia. (D) 60.325
Width (B) 19.355
ras max 0.8
Basic load ratings (kN)
Dynamic (Cr) 40.5
Static (Cor) 44.5
Basic load ratings (kgf)
Dynamic (Cr) 4150
Static (Cor) 4550
Limiting speed (min-1)
Grease 6700
Oil 8900
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-1985/1931 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.